Instruction/ maintenance manual of the product PC981 Canon
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COPYRIGHT © 1999 CANON INC. CANON PC800s/900s REV .0 A UG. 1999 PRINTED IN J AP AN (IMPRIME AU JAPON) REVISION 0 FY8-13GA-000 AUG. 1999 PC860 F13-8491 TY A00001- PC880 F13-8291 TZA00001- PC890 F13-82.
COPYRIGHT © 1999 CANON INC. CANON PC800s/900s REV .0 A UG. 1999 PRINTED IN JAP AN (IMPRIME A U JAPON) IMPORT ANT THIS DOCUMENT A TION IS PUBLISHED BY CANON INC .
COPYRIGHT © 1999 CANON INC. CANON PC800s /900s REV .0 AUG. 1999 PRINTED IN JAP AN (IMPRIME AU J APON) i This service manual has been prepared for the PC800/900 Series machines, providing basic information used for servicing the machines in the field so as to ensure their quality and performance.
COPYRIGHT © 1999 CANON INC. CANON PC800s /900s REV .0 AUG. 1999 PRINTED IN JAP AN (IMPRIME AU J APON) ii The following rules apply throughout this Service Manual: 1. Each chapter contains sections e xplaining the pur pose of specific functions and the relationship between electrical and mechanical systems with reference to the timing of operation.
COPYRIGHT © 1999 CANON INC. CANON PC800s /900s REV .0 AUG. 1999 PRINTED IN JAP AN (IMPRIME AU J APON) iii Model PC860 PC880 PC890 PC920 PC920 PC920 PC920 PC921 PC940 PC941 PC950 PC950 PC950 PC960 PC9.
COPYRIGHT © 1999 CANON INC. CANON PC800s /900s REV .0 AUG. 1999 PRINTED IN JAP AN (IMPRIME AU J APON) iv.
COPYRIGHT © 1999 CANON INC. CANON PC800s /900s REV .0 AUG. 1999 PRINTED IN JAP AN (IMPRIME AU J APON) v CONTENTS CHAPTER 1 GENERAL DESCRIPTION CHAPTER 2 BASIC OPERATION CHAPTER 3 EXPOSURE SYSTEM I . FEA TURES .................................. 1-1 I I.
COPYRIGHT © 1999 CANON INC. CANON PC800s /900s REV .0 AUG. 1999 PRINTED IN JAP AN (IMPRIME AU J APON) vi CHAPTER 4 IMAGE FORMATION SYSTEM CHAPTER 5 PICK-UP/FEEDING SYSTEM I. IMAGE FORMA TION SYSTEM ... 4-1 A. Outline .................................
COPYRIGHT © 1999 CANON INC. CANON PC800s /900s REV .0 AUG. 1999 PRINTED IN JAP AN (IMPRIME AU J APON) vii CHAPTER 7 EXTERNALS/AUXILIARY MECHANISMS CHAPTER 9 INSTALLATION CHAPTER 10 MAINTENANCE AND SERVICING CHAPTER 8 ADF I. F ANS ....................
COPYRIGHT © 1999 CANON INC. CANON PC800s /900s REV .0 AUG. 1999 PRINTED IN JAP AN (IMPRIME AU J APON) viii APPENDIX CHAPTER 11 TROUBLESHOOTING I. MAINTENANCE AND INSPECTION ............................ 11-3 A. Image Adjustment Basic Procedure .......
COPYRIGHT © 1999 CANON INC. CANON PC800s/900 s R EV . 0 AU G. 1999 PRINTED IN JAP AN (IMPRIME AU J APON) CHAPTER 1 GENERAL DESCRIPTION This chapter provides specifications of the machine, instructions on how to operate the machine, and an outline of copying process.
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CHAPTER 1 GENERAL DESCRIPTION COPYRIGHT © 1999 CANON INC. CANON PC800s/900s REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) 1-1 I. FEATURES 1. Personal Copier with a Zoom Function and a Fixed Copyboard • You can choose either a default enlargement/reduction ratio or any ratio between 70% and 141% in 1% increments.
CHAPTER 1 GENERAL DESCRIPTION COPYRIGHT © 1999 CANON INC. CANON PC800s /900s REV .0 AUG. 1999 PRINTED IN JAP AN (IMPRIME AU J APON) 1-2 II. SPECIFICATIONS A. Copier 1. Type Descriptions Desk top Fixed Halogen lamp (80 V/110 W for 120V-model; 150 V/160 W for 220/240 V-model) Fixed focal point lens OPC drum (24-mm dia.
CHAPTER 1 GENERAL DESCRIPTION COPYRIGHT © 1999 CANON INC. CANON PC800s/900s REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) 1-3 3. Performance Descriptions Sheet, book, 3-D object (2kg max.
CHAPTER 1 GENERAL DESCRIPTION COPYRIGHT © 1999 CANON INC. CANON PC800s /900s REV .0 AUG. 1999 PRINTED IN JAP AN (IMPRIME AU J APON) 1-4 *1. Applies only to models with a zoom function. *2. Applies only to single pickup if the multifeeder is used. *3.
CHAPTER 1 GENERAL DESCRIPTION COPYRIGHT © 1999 CANON INC. CANON PC800s/900s REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) 1-5 4. Others Descriptions 7.
CHAPTER 1 GENERAL DESCRIPTION COPYRIGHT © 1999 CANON INC. CANON PC800s /900s REV .0 AUG. 1999 PRINTED IN JAP AN (IMPRIME AU J APON) 1-6 5. Default Ratios Table 1-205 2R2E (Inch/AB-configuration) 1:1.000 1:0.707 1:0816 1:1.154 1:1.414 Item Direct Reduce I Reduce II Reduce III Reduce IV Enlarge I Enlarge II 3R1E (Inch-configuration) 1:1.
CHAPTER 1 GENERAL DESCRIPTION COPYRIGHT © 1999 CANON INC. CANON PC800s/900s REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) 1-7 6. Copying Speed Table 1-206 *1. The number of copies starting with the pickup operation that follows the delivery of the 19th copy in a continuous copying job.
CHAPTER 1 GENERAL DESCRIPTION COPYRIGHT © 1999 CANON INC. CANON PC800s /900s REV .0 AUG. 1999 PRINTED IN JAP AN (IMPRIME AU J APON) 1-8 B. ADF Table 1-207 Descriptions Auto pickup/delivery Face-down Center reference Top separation Single-sided (50 to 128 g/m 2 ) A5 (STMT) to A4R (LTRR), LGL Length: 139.
CHAPTER 1 GENERAL DESCRIPTION COPYRIGHT © 1999 CANON INC. CANON PC800s/900s REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) 1-9 *1. The following may not be used as an original: • Sheet with a staple, clip, or glue. • Sheet with a cut, hole, or tear.
CHAPTER 1 GENERAL DESCRIPTION COPYRIGHT © 1999 CANON INC. CANON PC800s /900s REV .0 AUG. 1999 PRINTED IN JAP AN (IMPRIME AU J APON) 1-10 [1] Copy tray [2] Power cord connector [3] Open/close lever [1.
CHAPTER 1 GENERAL DESCRIPTION COPYRIGHT © 1999 CANON INC. CANON PC800s/900s REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) 1-11 [1] ADF [2] Manual feed tray [3] Right door [1] Static eliminator .
CHAPTER 1 GENERAL DESCRIPTION COPYRIGHT © 1999 CANON INC. CANON PC800s /900s REV .0 AUG. 1999 PRINTED IN JAP AN (IMPRIME AU J APON) 1-12 [1] [4] [3] [2] 3.
CHAPTER 1 GENERAL DESCRIPTION COPYRIGHT © 1999 CANON INC. CANON PC800s/900s REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) 1-13 [1] No. 3 mirror [2] No. 2 mirror [3] No. 1 mirror [4] Scanning lamp [5] Heat exhaust fan [6] Copyboard glass [7] Side blanking lamp [8] Lens [9] Primary charging roller [10] No.
CHAPTER 1 GENERAL DESCRIPTION COPYRIGHT © 1999 CANON INC. CANON PC800s /900s REV .0 AUG. 1999 PRINTED IN JAP AN (IMPRIME AU J APON) 1-14 [1] Delivery roller [2] Copy tray [3] Pickup roller 2 [4] Pick.
CHAPTER 1 GENERAL DESCRIPTION COPYRIGHT © 1999 CANON INC. CANON PC800s/900s REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) 1-15 Description Adjusts the density of copies manually. Indicates the selected copy den- sity mode. Indicates the selected default ra- tio.
CHAPTER 1 GENERAL DESCRIPTION COPYRIGHT © 1999 CANON INC. CANON PC800s /900s REV .0 AUG. 1999 PRINTED IN JAP AN (IMPRIME AU J APON) 1-16 Description No. Remarks Name 10 11 12 13 14 15 Count/zoom set key Zoom indicator *2 Zoom key *2 Paper selection key *1 Default ratio key Copy density mode selection key Sets the number of copies or a zoom ratio.
CHAPTER 1 GENERAL DESCRIPTION COPYRIGHT © 1999 CANON INC. CANON PC800s/900s REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) 1-17 Zoom V. ROUTINE MAINTENANCE BY THE USER Instruct the user to clean the following if images tend to be soiled or copy paper tends to jam often.
CHAPTER 1 GENERAL DESCRIPTION COPYRIGHT © 1999 CANON INC. CANON PC800s /900s REV .0 AUG. 1999 PRINTED IN JAP AN (IMPRIME AU J APON) 1-18 b.2 Cleaning by Hand 1) Wipe the feed belt with a moist cloth (water or mild detergent solution) in the direction of the arrow in the figure; then, dry wipe it.
CHAPTER 1 GENERAL DESCRIPTION COPYRIGHT © 1999 CANON INC. CANON PC800s/900s REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) 1-19 Figure 1-504 (ADF type) 2) Pull the open/close lever to open the machine. 3) Using the static eliminator cleaner, clean the static eliminator.
CHAPTER 1 GENERAL DESCRIPTION COPYRIGHT © 1999 CANON INC. CANON PC800s /900s REV .0 AUG. 1999 PRINTED IN JAP AN (IMPRIME AU J APON) 1-20 Scanning lamp Copyboard glass Fixed focal point lens Side blan.
CHAPTER 1 GENERAL DESCRIPTION COPYRIGHT © 1999 CANON INC. CANON PC800s/900s REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) 1-21 The machine’s image formation process consists of the following .
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COPYRIGHT © 1999 CANON INC. CANON PC800s/900 s R EV . 0 AU G. 1999 PRINTED IN JAP AN (IMPRIME AU J APON) CHAPTER 2 BASIC OPERATION This chapter provides descriptions on basic operations, functions of each operation, relationships between electrical and mechanical systems, and timing at which each associated part is turned on.
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CHAPTER 2 B ASIC OPERA TION COPYRIGHT © 1999 CANON INC. CANON PC800s/900s REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) 2-1 I. BASIC OPERATIONS A. Functional Construction The machine consists of four functional blocks: pickup/feeding system, exposure system, im- age formation system, and control system.
CHAPTER 2 B ASIC OPERA TION COPYRIGHT © 1999 CANON INC. CANON PC800s /900s REV .0 AUG. 1999 PRINTED IN JAP AN (IMPRIME AU J APON) 2-2 B. Outline of Electrical Circuitry The machine’s major electric.
CHAPTER 2 B ASIC OPERA TION COPYRIGHT © 1999 CANON INC. CANON PC800s/900s REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) 2-3 C. Basic Sequence of Operations • A4R, Direct, 2 Copies, Continuous.
CHAPTER 2 B ASIC OPERA TION COPYRIGHT © 1999 CANON INC. CANON PC800s /900s REV .0 AUG. 1999 PRINTED IN JAP AN (IMPRIME AU J APON) 2-4 Table 2-101 STBY (standby) INTR (initial rotation) AER (AE rotati.
CHAPTER 2 B ASIC OPERA TION COPYRIGHT © 1999 CANON INC. CANON PC800s/900s REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) 2-5 D. Controlling the Main Motor (M1) 1. Outline Table 2-102 shows the functions of the main motor control circuit, and Figure 2-104 is a block diagram of the circuit.
CHAPTER 2 B ASIC OPERA TION COPYRIGHT © 1999 CANON INC. CANON PC800s /900s REV .0 AUG. 1999 PRINTED IN JAP AN (IMPRIME AU J APON) 2-6 2. Operations The main motor (M1) is a DC motor with a built-in clock pulse generator, which generates clock pulses (MMCLK) in relation to the rotation of the motor while the motor is rotating.
CHAPTER 2 B ASIC OPERA TION COPYRIGHT © 1999 CANON INC. CANON PC800s/900s REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) 2-7 E. Inputs to and Outputs from the DC Controller 1.
CHAPTER 2 B ASIC OPERA TION COPYRIGHT © 1999 CANON INC. CANON PC800s /900s REV .0 AUG. 1999 PRINTED IN JAP AN (IMPRIME AU J APON) 2-8 2. Inputs to the DC Controller (2/2) Figure 2-106 When the light reflected by the original increases, the voltage increases.
CHAPTER 2 B ASIC OPERA TION COPYRIGHT © 1999 CANON INC. CANON PC800s/900s REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) 2-9 3. Outputs from the DC Controller (1/2) Figure 2-107 J201-2 -1 DC con.
CHAPTER 2 B ASIC OPERA TION COPYRIGHT © 1999 CANON INC. CANON PC800s /900s REV .0 AUG. 1999 PRINTED IN JAP AN (IMPRIME AU J APON) 2-10 4. Outputs from the DC Control PCB (2/2) Figure 2-108 J109-8 -7 .
CHAPTER 2 B ASIC OPERA TION COPYRIGHT © 1999 CANON INC. CANON PC800s/900s REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) 2-11 5. Inputs to and Outputs from the ADF Figure 2-109 Composite power supply PCB +24V +5V +5V +24V J114-1 -2 REQ -3 -4 ACK -5 -6 TXD -7 -8 -8 -7 -6 -5 -4 -3 -2 -1 RXD DC controller PCB See Chapter 8.
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COPYRIGHT © 1999 CANON INC. CANON PC800s/900 s R EV . 0 AU G. 1999 PRINTED IN JAP AN (IMPRIME AU J APON) CHAPTER 3 EXPOSURE SYSTEM This chapter discusses the principles of operation used for the machine's lens drive unit and scanner drive unit.
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CHAPTER 3 EXPOSURE SYSTEM COPYRIGHT © 1999 CANON INC. CANON PC800s/900s REV .0 AUG. 1999 PRINTED IN JAP AN (IMPRIME AU J APON) 3-1 Item Lamp Scanning Scanner position detection Ratio variation Lens drive control Scanner drive control Protective function Description Halogen By moving the No.
CHAPTER 3 EXPOSURE SYSTEM COPYRIGHT © 1999 CANON INC. CANON PC800s/900s REV .0 AUG. 1999 PRINTED IN JAP AN (IMPRIME AU JAPON) 3-2 Figure 3-102 Direct Optical length Reduction Optical length Enlargement Optical length Optical length: L1 < L2, L1 < L3 L3 L2 L1 F F F F' F' F' B.
CHAPTER 3 EXPOSURE SYSTEM COPYRIGHT © 1999 CANON INC. CANON PC800s/900s REV .0 AUG. 1999 PRINTED IN JAP AN (IMPRIME AU J APON) 3-3 Figure 3-103 Lens home position sensor (PS2) Lens shift detecting shaft for side blanking lamp Lens unit Reduction Scanner/lens drive motor (M2) No.
CHAPTER 3 EXPOSURE SYSTEM COPYRIGHT © 1999 CANON INC. CANON PC800s/900s REV .0 AUG. 1999 PRINTED IN JAP AN (IMPRIME AU JAPON) 3-4 Figure 3-104 J101-1 M2 PS1 Light-blocking plate Scanner home position.
CHAPTER 3 EXPOSURE SYSTEM COPYRIGHT © 1999 CANON INC. CANON PC800s/900s REV .0 AUG. 1999 PRINTED IN JAP AN (IMPRIME AU J APON) 3-5 Description • Provides a means of reference for determining forward movement distance. • Stops the scanner moving in re- verse in 0.
CHAPTER 3 EXPOSURE SYSTEM COPYRIGHT © 1999 CANON INC. CANON PC800s/900s REV .0 AUG. 1999 PRINTED IN JAP AN (IMPRIME AU JAPON) 3-6 Figure 3-106 Switching to 6-cpm copying speed SCRV SCFW SCRV SCFW SCR.
CHAPTER 3 EXPOSURE SYSTEM COPYRIGHT © 1999 CANON INC. CANON PC800s/900s REV .0 AUG. 1999 PRINTED IN JAP AN (IMPRIME AU J APON) 3-7 Current switching signal 1 Current switching signal 2 Current switching signal 3 (Q101) (Q109) DC controller PCB A A* B B* SC-COM SC-COM J110 SC-A SC-A* SC-B SC-B* M2 Motor driver circuit +24VU R399 Microprocessor 5.
CHAPTER 3 EXPOSURE SYSTEM COPYRIGHT © 1999 CANON INC. CANON PC800s/900s REV .0 AUG. 1999 PRINTED IN JAP AN (IMPRIME AU JAPON) 3-8 b. Operations The microprocessor (Q101) mounted on the DC controller PCB receives instructions from the control panel PCB copying mode settings (e.
CHAPTER 3 EXPOSURE SYSTEM COPYRIGHT © 1999 CANON INC. CANON PC800s/900s REV .0 AUG. 1999 PRINTED IN JAP AN (IMPRIME AU J APON) 3-9 Figure 3-201 (Q101) Serial communication VR107 DC controller PCB Mic.
CHAPTER 3 EXPOSURE SYSTEM COPYRIGHT © 1999 CANON INC. CANON PC800s/900s REV .0 AUG. 1999 PRINTED IN JAP AN (IMPRIME AU JAPON) 3-10 2. Operations a. Turning On/Off the Scanning Lamp The DC controller PCB and the composite power supply exchange signals in serial communi- cation to control the scanning lamp.
CHAPTER 3 EXPOSURE SYSTEM COPYRIGHT © 1999 CANON INC. CANON PC800s/900s REV .0 AUG. 1999 PRINTED IN JAP AN (IMPRIME AU J APON) 3-11 Figure 3-202 c. Monitoring the Activation of the Scanning Lamp The .
CHAPTER 3 EXPOSURE SYSTEM COPYRIGHT © 1999 CANON INC. CANON PC800s/900s REV .0 AUG. 1999 PRINTED IN JAP AN (IMPRIME AU JAPON) 3-12 III. DISASSEMBLY/ASSEMBLY As needed, disassemble/assemble the machine with the following in mind: 1. ! Before starting the work, turn off the power switch and disconnect the power plug for safety.
CHAPTER 3 EXPOSURE SYSTEM COPYRIGHT © 1999 CANON INC. CANON PC800s/900s REV .0 AUG. 1999 PRINTED IN JAP AN (IMPRIME AU J APON) 3-13 Figure 3-301 Figure 3-302 [1] [1] [2] [3] A. Scanner Drive Assembly 1. Removing the Scanner/Lens Drive Motor 1) Remove the front lower cover.
CHAPTER 3 EXPOSURE SYSTEM COPYRIGHT © 1999 CANON INC. CANON PC800s/900s REV .0 AUG. 1999 PRINTED IN JAP AN (IMPRIME AU JAPON) 3-14 Figure 3-303 Figure 3-304 [4] [4] [5] 5) Open the machine’s top unit farther, and hold it in position using the handle (about 30 mm in diameter) of a screwdriver.
CHAPTER 3 EXPOSURE SYSTEM COPYRIGHT © 1999 CANON INC. CANON PC800s/900s REV .0 AUG. 1999 PRINTED IN JAP AN (IMPRIME AU J APON) 3-15 Figure 3-305 [6] [7] [5] Lift.
CHAPTER 3 EXPOSURE SYSTEM COPYRIGHT © 1999 CANON INC. CANON PC800s/900s REV .0 AUG. 1999 PRINTED IN JAP AN (IMPRIME AU JAPON) 3-16 Figure 3-306 Wind 1.
CHAPTER 3 EXPOSURE SYSTEM COPYRIGHT © 1999 CANON INC. CANON PC800s/900s REV .0 AUG. 1999 PRINTED IN JAP AN (IMPRIME AU J APON) 3-17 Figure 3-307 Figure 3-308 [1] 3.
CHAPTER 3 EXPOSURE SYSTEM COPYRIGHT © 1999 CANON INC. CANON PC800s/900s REV .0 AUG. 1999 PRINTED IN JAP AN (IMPRIME AU JAPON) 3-18 Figure 3-309 Figure 3-310 [2] [2] [4] [2] [2] [3] [3] [5] [4] [5] 5) If the machine is equipped with an ADF, free the hook [2], and disconnect the two relay connectors [3] from the left upper stay [4].
CHAPTER 3 EXPOSURE SYSTEM COPYRIGHT © 1999 CANON INC. CANON PC800s/900s REV .0 AUG. 1999 PRINTED IN JAP AN (IMPRIME AU J APON) 3-19 Figure 3-311 [6] [6] [7] 7) Remove the four screws [6], and detach the lens cover [7].
CHAPTER 3 EXPOSURE SYSTEM COPYRIGHT © 1999 CANON INC. CANON PC800s/900s REV .0 AUG. 1999 PRINTED IN JAP AN (IMPRIME AU JAPON) 3-20 Figure 3-313 Figure 3-312 [2] Shorter end Longer end [1] Face with a marking [1] [3] Top View [3] b. Routing the Reversing Cable 1) Wind the reversing cables (silver-colored) [2] on the cable drive pulley [1] 7.
CHAPTER 3 EXPOSURE SYSTEM COPYRIGHT © 1999 CANON INC. CANON PC800s/900s REV .0 AUG. 1999 PRINTED IN JAP AN (IMPRIME AU J APON) 3-21 Figure 3-314 Figure 3-315 [5] Hook (front) [1] [4] [7] [6] 2) Put the cable drive pulley [1] into the shaft [4], and secure it in position with an E- ring [5].
CHAPTER 3 EXPOSURE SYSTEM COPYRIGHT © 1999 CANON INC. CANON PC800s/900s REV .0 AUG. 1999 PRINTED IN JAP AN (IMPRIME AU JAPON) 3-22 Figure 3-317 Figure 3-316 [10] [11] [6] [8] [9] Figure 3-318 [6] [12] [13] [14] [15] 4) Lead the shorter end [6] under the No.
CHAPTER 3 EXPOSURE SYSTEM COPYRIGHT © 1999 CANON INC. CANON PC800s/900s REV .0 AUG. 1999 PRINTED IN JAP AN (IMPRIME AU J APON) 3-23 Figure 3-319 Figure 3-320 [8] [17] [9] [16] [14] [18] [19] [14] 7) Lead the longer end [14] under the No. 1 mirror mount [8] and the No.
CHAPTER 3 EXPOSURE SYSTEM COPYRIGHT © 1999 CANON INC. CANON PC800s/900s REV .0 AUG. 1999 PRINTED IN JAP AN (IMPRIME AU JAPON) 3-24 Figure 3-322 Figure 3-321 Figure 3-323 [4] [3] [2] [1] Face without a marking [5] [1] [6] [5] [7] [8] [9] c.
CHAPTER 3 EXPOSURE SYSTEM COPYRIGHT © 1999 CANON INC. CANON PC800s/900s REV .0 AUG. 1999 PRINTED IN JAP AN (IMPRIME AU J APON) 3-25 Figure 3-324 Figure 3-326 Figure 3-325 [5] [10] [11] [3] [7] [9] [3] [12] 4) Hook the end of the longer end [5] on the hole [10] on the right side.
CHAPTER 3 EXPOSURE SYSTEM COPYRIGHT © 1999 CANON INC. CANON PC800s/900s REV .0 AUG. 1999 PRINTED IN JAP AN (IMPRIME AU JAPON) 3-26 Figure 3-327 Figure 3-328 [3] [13] [14] [3] [15] [5] 7) Hook the end of the shorter end [3] on the hole [13] on the right side.
CHAPTER 3 EXPOSURE SYSTEM COPYRIGHT © 1999 CANON INC. CANON PC800s/900s REV .0 AUG. 1999 PRINTED IN JAP AN (IMPRIME AU J APON) 3-27 Figure 3-329 [1] [16] 9) Detach the pulley clip [16] from the cable drive pulley [1].
CHAPTER 3 EXPOSURE SYSTEM COPYRIGHT © 1999 CANON INC. CANON PC800s/900s REV .0 AUG. 1999 PRINTED IN JAP AN (IMPRIME AU JAPON) 3-28 Figure 3-330 (rear) Figure 3-331 (front) [1] [2] [1] [2] d. Positioning the No. 1 Mirror Mount 1) Fix the rear and the front of the No.
CHAPTER 3 EXPOSURE SYSTEM COPYRIGHT © 1999 CANON INC. CANON PC800s/900s REV .0 AUG. 1999 PRINTED IN JAP AN (IMPRIME AU J APON) 3-29 Figure 3-332 (rear) Figure 3-333 (front) [4] [3] [3] [3] [3] 2) Turn the cable drive pulley [4] so that the three shafts [3] of the mirror positioning tool for rear and front is as shown.
CHAPTER 3 EXPOSURE SYSTEM COPYRIGHT © 1999 CANON INC. CANON PC800s/900s REV .0 AUG. 1999 PRINTED IN JAP AN (IMPRIME AU JAPON) 3-30 Figure 3-334 (rear) Figure 3-335 (front) [1] [1] 3) While keeping the condition of step 2), tighten the positioning screw on the rear and front of the No.
CHAPTER 3 EXPOSURE SYSTEM COPYRIGHT © 1999 CANON INC. CANON PC800s/900s REV .0 AUG. 1999 PRINTED IN JAP AN (IMPRIME AU J APON) 3-31 Figure 3-336 [1] [1] [2] B. Lens Drive Assembly 1. Removing the Lens Cable 1 ) Turn on the power; when the lens has moved to the Direct position, disconnect the power plug.
CHAPTER 3 EXPOSURE SYSTEM COPYRIGHT © 1999 CANON INC. CANON PC800s/900s REV .0 AUG. 1999 PRINTED IN JAP AN (IMPRIME AU JAPON) 3-32 Figure 3-337 Figure 3-338 [3] Marking [4] [5] [6] 5) Mark the position of the lens cable fixing plate [3] and the lens mount [4] with a scriber.
CHAPTER 3 EXPOSURE SYSTEM COPYRIGHT © 1999 CANON INC. CANON PC800s/900s REV .0 AUG. 1999 PRINTED IN JAP AN (IMPRIME AU J APON) 3-33 Figure 3-341 Figure 3-339 Figure 3-340 [7] [8] [6] [9] [10] 7) Remove the screw [7], and detach the cam gear [6] and the cable retainer [8].
CHAPTER 3 EXPOSURE SYSTEM COPYRIGHT © 1999 CANON INC. CANON PC800s/900s REV .0 AUG. 1999 PRINTED IN JAP AN (IMPRIME AU JAPON) 3-34 Figure 3-342 Figure 3-343 [11] [12] [13] [12] 10) Remove the screw [11], and detach the lens cable fixing plate [12].
CHAPTER 3 EXPOSURE SYSTEM COPYRIGHT © 1999 CANON INC. CANON PC800s/900s REV .0 AUG. 1999 PRINTED IN JAP AN (IMPRIME AU J APON) 3-35 Figure 3-344 Figure 3-345 [2] [1] [1] [2] [3] 2. Routing the Lens Cable 1) After routing the lens cable, keep the lever [1] of the No.
CHAPTER 3 EXPOSURE SYSTEM COPYRIGHT © 1999 CANON INC. CANON PC800s/900s REV .0 AUG. 1999 PRINTED IN JAP AN (IMPRIME AU JAPON) 3-36 Figure 3-346 [4] [2] [1] 4) If the tip of the lever [1] and the mark.
CHAPTER 3 EXPOSURE SYSTEM COPYRIGHT © 1999 CANON INC. CANON PC800s/900s REV .0 AUG. 1999 PRINTED IN JAP AN (IMPRIME AU J APON) 3-37 Figure 3-347 Figure 3-348 [1] [2] [3] [4] [5] C. Exposure System 1. Removing the Scanning Lamp 1) Disconnect the power plug.
CHAPTER 3 EXPOSURE SYSTEM COPYRIGHT © 1999 CANON INC. CANON PC800s/900s REV .0 AUG. 1999 PRINTED IN JAP AN (IMPRIME AU JAPON) 3-38 Figure 3-349 [7] [6] 5) While pushing the electrode mount [6] found at the rear of the machine in the di- rection of the arrow, detach the scanning lamp [7].
CHAPTER 3 EXPOSURE SYSTEM COPYRIGHT © 1999 CANON INC. CANON PC800s/900s REV .0 AUG. 1999 PRINTED IN JAP AN (IMPRIME AU J APON) 3-39 Figure 3-350 Logo mark Scanning lamp 45 (approx.
CHAPTER 3 EXPOSURE SYSTEM COPYRIGHT © 1999 CANON INC. CANON PC800s/900s REV .0 AUG. 1999 PRINTED IN JAP AN (IMPRIME AU JAPON) 3-40 Figure 3-351 Figure 3-352 [1] [2] (front) Thermal fuse Reflecting plate 3. Removing the Thermal Fuse 1) Disconnect the power plug.
CHAPTER 3 EXPOSURE SYSTEM COPYRIGHT © 1999 CANON INC. CANON PC800s/900s REV .0 AUG. 1999 PRINTED IN JAP AN (IMPRIME AU J APON) 3-41 5. Removing the Thermistor Unit 1) Remove the top cover.
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COPYRIGHT © 1999 CANON INC. CANON PC800s/900 s R EV . 0 AU G. 1999 PRINTED IN JAP AN (IMPRIME AU J APON) CHAPTER 4 IMAGE FORMATION SYSTEM This chapter discusses the principles of how images are formed.
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CHAPTER 4 IMA GE FORMA TION SYSTEM COPYRIGHT © 1999 CANON INC. CANON PC800s/900s REV .0 AUG. 1999 PRINTED IN JAP AN (IMPRIME AU J APON) 4-1 Item Controlling the primary charging roller bias Transfer .
CHAPTER 4 IMA GE FORMA TION SYSTEM COPYRIGHT © 1999 CANON INC. CANON PC800s/900s REV .0 AUG. 1999 PRINTED IN JAP AN (IMPRIME AU JAPON) 4-2 Figure 4-101 Side blanking lamp Copyboard glass Scanning lam.
CHAPTER 4 IMA GE FORMA TION SYSTEM COPYRIGHT © 1999 CANON INC. CANON PC800s/900s REV .0 AUG. 1999 PRINTED IN JAP AN (IMPRIME AU J APON) 4-3 Figure 4-102 Copy Start key ON STBY INTR SCFW forward SCFW SCRV Reverse -625V 3200V -400V 0.
CHAPTER 4 IMA GE FORMA TION SYSTEM COPYRIGHT © 1999 CANON INC. CANON PC800s/900s REV .0 AUG. 1999 PRINTED IN JAP AN (IMPRIME AU JAPON) 4-4 C. Controlling the Primary Charging Roller Bias 1.
CHAPTER 4 IMA GE FORMA TION SYSTEM COPYRIGHT © 1999 CANON INC. CANON PC800s/900s REV .0 AUG. 1999 PRINTED IN JAP AN (IMPRIME AU J APON) 4-5 Figure 4-103 Main transformer T101 PR_DC_ON J103 -4 J203 -5.
CHAPTER 4 IMA GE FORMA TION SYSTEM COPYRIGHT © 1999 CANON INC. CANON PC800s/900s REV .0 AUG. 1999 PRINTED IN JAP AN (IMPRIME AU JAPON) 4-6 DC bias ON signal (8-bit signal communication) bit0 bit1 1.
CHAPTER 4 IMA GE FORMA TION SYSTEM COPYRIGHT © 1999 CANON INC. CANON PC800s/900s REV .0 AUG. 1999 PRINTED IN JAP AN (IMPRIME AU J APON) 4-7 Figure 4-104 Copy Start key ON STBY INTR SCFW SCFW SCRV LSTR STBY Main motor (M1) Scanning lamp (LA1) Primary AC bias Primary DC bias -400V -625V SCRV d.
CHAPTER 4 IMA GE FORMA TION SYSTEM COPYRIGHT © 1999 CANON INC. CANON PC800s/900s REV .0 AUG. 1999 PRINTED IN JAP AN (IMPRIME AU JAPON) 4-8 Figure 4-105 Main transf ormer T ransfer positiv e DC bias g.
CHAPTER 4 IMA GE FORMA TION SYSTEM COPYRIGHT © 1999 CANON INC. CANON PC800s/900s REV .0 AUG. 1999 PRINTED IN JAP AN (IMPRIME AU J APON) 4-9 T_REV_ON* signal 1 0 1 1 Negative transfer bias ON Positive.
CHAPTER 4 IMA GE FORMA TION SYSTEM COPYRIGHT © 1999 CANON INC. CANON PC800s/900s REV .0 AUG. 1999 PRINTED IN JAP AN (IMPRIME AU JAPON) 4-10 STBY INTR SCFW SCFW SCRV LSTR STBY Main motor (M1) Reference bias (ATVC) Transfer bias SCRV 0.7sec (approx.) 0.
CHAPTER 4 IMA GE FORMA TION SYSTEM COPYRIGHT © 1999 CANON INC. CANON PC800s/900s REV .0 AUG. 1999 PRINTED IN JAP AN (IMPRIME AU J APON) 4-11 E. Controlling the Developing/Separation Static Eliminator Bias 1.
CHAPTER 4 IMA GE FORMA TION SYSTEM COPYRIGHT © 1999 CANON INC. CANON PC800s/900s REV .0 AUG. 1999 PRINTED IN JAP AN (IMPRIME AU JAPON) 4-12 Figure 4-107 Main transf ormer T101 T201 +5V Photo sensitiv.
CHAPTER 4 IMA GE FORMA TION SYSTEM COPYRIGHT © 1999 CANON INC. CANON PC800s/900s REV .0 AUG. 1999 PRINTED IN JAP AN (IMPRIME AU J APON) 4-13 DC bias ON DC bias ON (- 500V) DC bias OFF Developing DCON signal (Serial communication) bit5 bit6 –1 01 00 DV_DC_ON (J103-3) 0 1 1 2.
CHAPTER 4 IMA GE FORMA TION SYSTEM COPYRIGHT © 1999 CANON INC. CANON PC800s/900s REV .0 AUG. 1999 PRINTED IN JAP AN (IMPRIME AU JAPON) 4-14 Developing DC bias Voltage supplied to the scanning lamp To.
CHAPTER 4 IMA GE FORMA TION SYSTEM COPYRIGHT © 1999 CANON INC. CANON PC800s/900s REV .0 AUG. 1999 PRINTED IN JAP AN (IMPRIME AU J APON) 4-15 Figure 4-111 (Non-SW101) Figure 4-112 (Non-SW101) Test sheet Newspaper Original density 0 -100 -200 -300 -400 -500 Developing bias DC component (V) AE Mode F1 F5 F9 1 6.
CHAPTER 4 IMA GE FORMA TION SYSTEM COPYRIGHT © 1999 CANON INC. CANON PC800s/900s REV .0 AUG. 1999 PRINTED IN JAP AN (IMPRIME AU JAPON) 4-16 Figure 4-113 Scanning lamp +24V +24V +24V +24V +5V +5V VR10.
CHAPTER 4 IMA GE FORMA TION SYSTEM COPYRIGHT © 1999 CANON INC. CANON PC800s/900s REV .0 AUG. 1999 PRINTED IN JAP AN (IMPRIME AU J APON) 4-17 Figure 4-115 Copy Start key ON STBY INTR AER SCFW SCFW SCRV LSTR STBY Main motor (M1) Scanner / lens drive motor (M2) AE signal (AE) Scanning lamp (LA1) SCRV Figure 4-114 68.
CHAPTER 4 IMA GE FORMA TION SYSTEM COPYRIGHT © 1999 CANON INC. CANON PC800s/900s REV .0 AUG. 1999 PRINTED IN JAP AN (IMPRIME AU JAPON) 4-18 Figure 4-116 J104 J103 3.
CHAPTER 4 IMA GE FORMA TION SYSTEM COPYRIGHT © 1999 CANON INC. CANON PC800s/900s REV .0 AUG. 1999 PRINTED IN JAP AN (IMPRIME AU J APON) 4-19 Figure 4-117 5) Place a newspaper on the copyboard, and close the copyboard cover. 6) Turn VR102 so that the reading in the indicator is from ‘A3’ to ‘Ad’.
CHAPTER 4 IMA GE FORMA TION SYSTEM COPYRIGHT © 1999 CANON INC. CANON PC800s/900s REV .0 AUG. 1999 PRINTED IN JAP AN (IMPRIME AU JAPON) 4-20 Figure 4-119 9) Repeat steps 5) through 8) so that the values of both VR102 and VR103 are target values.
CHAPTER 4 IMA GE FORMA TION SYSTEM COPYRIGHT © 1999 CANON INC. CANON PC800s/900s REV .0 AUG. 1999 PRINTED IN JAP AN (IMPRIME AU J APON) 4-21 Figure 4-121 Figure 4-122 Reflecting plate Rear side blank.
CHAPTER 4 IMA GE FORMA TION SYSTEM COPYRIGHT © 1999 CANON INC. CANON PC800s/900s REV .0 AUG. 1999 PRINTED IN JAP AN (IMPRIME AU JAPON) 4-22 II. DISASSEMBLY/ASSEMBLY As needed, disassemble/assemble the machine with the following in mind: 1. ! Before starting the work, turn off the power switch and disconnect the power plug for safety.
CHAPTER 4 IMA GE FORMA TION SYSTEM COPYRIGHT © 1999 CANON INC. CANON PC800s/900s REV .0 AUG. 1999 PRINTED IN JAP AN (IMPRIME AU J APON) 4-23 Figure 4-201 a. Drum Cover Shutter If exposed to strong light for a long time, the photosensitive drum can develop photo memory, which can cause white spots or black bands on copies.
CHAPTER 4 IMA GE FORMA TION SYSTEM COPYRIGHT © 1999 CANON INC. CANON PC800s/900s REV .0 AUG. 1999 PRINTED IN JAP AN (IMPRIME AU JAPON) 4-24 2. Cleaning the Drum Caution: As a rule, do not touch or clean the photosensitive drum. 1) Open the machine's top unit, and take out the cartridge.
CHAPTER 4 IMA GE FORMA TION SYSTEM COPYRIGHT © 1999 CANON INC. CANON PC800s/900s REV .0 AUG. 1999 PRINTED IN JAP AN (IMPRIME AU J APON) 4-25 Figure 4-202 [1] [2] [2] [3] B. Transfer Charging Assembly 1. Removing the Transfer Charging Roller 1) Open the machine's top unit.
CHAPTER 4 IMA GE FORMA TION SYSTEM COPYRIGHT © 1999 CANON INC. CANON PC800s/900s REV .0 AUG. 1999 PRINTED IN JAP AN (IMPRIME AU JAPON) 4-26 Figure 4-203 [1] C. Blank Exposure 1. Removing the Blanking Exposure Unit 1) Set the machine to the maximum ratio (141%) as follows: • Turn on the power, and select a default ratio of 141%.
CHAPTER 4 IMA GE FORMA TION SYSTEM COPYRIGHT © 1999 CANON INC. CANON PC800s/900s REV .0 AUG. 1999 PRINTED IN JAP AN (IMPRIME AU J APON) 4-27 Figure 4-204 Figure 4-205 Figure 4-206 [3] [4] [5] Lamp PCBs 7) Open the machine’s top unit farther, and hold it in place using the handle of a screwdriver (about 30 mm in diameter).
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COPYRIGHT © 1999 CANON INC. CANON PC800s/900 s R EV . 0 AU G. 1999 PRINTED IN JAP AN (IMPRIME AU J APON) CHAPTER 5 PICK-UP/FEEDING SYSTEM This chapter explains the principles used from when copy paper is picked up to when a copy is delivered in view of the functions of electrical and mechanical units and in relation to their timing of operation.
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CHAPTER 5 PICK-UP/FEEDING SYSTEM COPYRIGHT © 1999 CANON INC. CANON PC800s/900s REV .0 AUG. 1999 PRINTED IN JAP AN (IMPRIME AU J APON) 5-1 Table 5-101 Notation PS3 PS4 PS5 Q751 Name Delivery sensor Vertical path roller paper sensor Single-feeder paper sensor Pre-registration roller paper sensor Remarks Single-feeder model only I.
CHAPTER 5 PICK-UP/FEEDING SYSTEM COPYRIGHT © 1999 CANON INC. CANON PC800s/900s REV .0 AUG. 1999 PRINTED IN JAP AN (IMPRIME AU J APON) 5-2 Figure 5-101 (Multifeeder type) Figure 5-102 (Single-feeder t.
CHAPTER 5 PICK-UP/FEEDING SYSTEM COPYRIGHT © 1999 CANON INC. CANON PC800s/900s REV .0 AUG. 1999 PRINTED IN JAP AN (IMPRIME AU J APON) 5-3 B. Controlling the Pickup Roller 1.
CHAPTER 5 PICK-UP/FEEDING SYSTEM COPYRIGHT © 1999 CANON INC. CANON PC800s/900s REV .0 AUG. 1999 PRINTED IN JAP AN (IMPRIME AU J APON) 5-4 Figure 5-104 (Single-feeder type) M1 SL1 SL5 Cassette pickup .
CHAPTER 5 PICK-UP/FEEDING SYSTEM COPYRIGHT © 1999 CANON INC. CANON PC800s/900s REV .0 AUG. 1999 PRINTED IN JAP AN (IMPRIME AU J APON) 5-5 STBY INTR SCFW SCRV LSTR STBY Copy Start key ON 0.
CHAPTER 5 PICK-UP/FEEDING SYSTEM COPYRIGHT © 1999 CANON INC. CANON PC800s/900s REV .0 AUG. 1999 PRINTED IN JAP AN (IMPRIME AU J APON) 5-6 Figure 5-106 M1 SL1 SL4 Cam gear Spring clutch Control ring L.
CHAPTER 5 PICK-UP/FEEDING SYSTEM COPYRIGHT © 1999 CANON INC. CANON PC800s/900s REV .0 AUG. 1999 PRINTED IN JAP AN (IMPRIME AU J APON) 5-7 Figure 5-107 M1 DC controller PCB Pickup clutch Single-feeder paper sensor SL1 Single-feeder Pickup roller Copy paper Single-feeder paper detection signal (SFPD) PS5 5.
CHAPTER 5 PICK-UP/FEEDING SYSTEM COPYRIGHT © 1999 CANON INC. CANON PC800s/900s REV .0 AUG. 1999 PRINTED IN JAP AN (IMPRIME AU J APON) 5-8 Figure 5-108 SCRV Delivery sensor (PS3) Pre-registration roll.
CHAPTER 5 PICK-UP/FEEDING SYSTEM COPYRIGHT © 1999 CANON INC. CANON PC800s/900s REV .0 AUG. 1999 PRINTED IN JAP AN (IMPRIME AU J APON) 5-9 Figure 5-109 M1 Claw SL2 DC controller PCB Registration clutc.
CHAPTER 5 PICK-UP/FEEDING SYSTEM COPYRIGHT © 1999 CANON INC. CANON PC800s/900s REV .0 AUG. 1999 PRINTED IN JAP AN (IMPRIME AU J APON) 5-10 Figure 5-110 Figure 5-111 Copy Start key ON STBY INTR SCFW SCFW SCRV Forward Reverse LSTR STBY Main motor (M1) Delivery sensor (PS3) Scanner SCRV 0.
CHAPTER 5 PICK-UP/FEEDING SYSTEM COPYRIGHT © 1999 CANON INC. CANON PC800s/900s REV .0 AUG. 1999 PRINTED IN JAP AN (IMPRIME AU J APON) 5-11 STBY INTR SCFW SCFW SCRV Forward Reverse LSTR STBY Main motor (M1) Scanner Delivery sensor (PS3) SCRV 0.7sec (approx.
CHAPTER 5 PICK-UP/FEEDING SYSTEM COPYRIGHT © 1999 CANON INC. CANON PC800s/900s REV .0 AUG. 1999 PRINTED IN JAP AN (IMPRIME AU J APON) 5-12 Figure 5-113 (Multifeeder type) Figure 5-114 (Single-feeder .
CHAPTER 5 PICK-UP/FEEDING SYSTEM COPYRIGHT © 1999 CANON INC. CANON PC800s/900s REV .0 AUG. 1999 PRINTED IN JAP AN (IMPRIME AU J APON) 5-13 1. Multifeeder Pickup Assembly (no paper, pickup delay jam) .
CHAPTER 5 PICK-UP/FEEDING SYSTEM COPYRIGHT © 1999 CANON INC. CANON PC800s/900s REV .0 AUG. 1999 PRINTED IN JAP AN (IMPRIME AU J APON) 5-14 Figure 5-118 Copy Start key ON STBY INTR SCFW No paper Cassette pickup solenoid (SL5) Jam check Main motor (M1) Vertical path roller paper sensor (PS4) 1.
CHAPTER 5 PICK-UP/FEEDING SYSTEM COPYRIGHT © 1999 CANON INC. CANON PC800s/900s REV .0 AUG. 1999 PRINTED IN JAP AN (IMPRIME AU J APON) 5-15 Figure 5-119 4.
CHAPTER 5 PICK-UP/FEEDING SYSTEM COPYRIGHT © 1999 CANON INC. CANON PC800s/900s REV .0 AUG. 1999 PRINTED IN JAP AN (IMPRIME AU J APON) 5-16 Figure 5-122 Figure 5-121 6.
CHAPTER 5 PICK-UP/FEEDING SYSTEM COPYRIGHT © 1999 CANON INC. CANON PC800s/900s REV .0 AUG. 1999 PRINTED IN JAP AN (IMPRIME AU J APON) 5-17 Figure 5-123 8.
CHAPTER 5 PICK-UP/FEEDING SYSTEM COPYRIGHT © 1999 CANON INC. CANON PC800s/900s REV .0 AUG. 1999 PRINTED IN JAP AN (IMPRIME AU J APON) 5-18 II. DISASSEMBLY/ASSEMBLY As needed, disassemble/assemble the machine with the following in mind: 1. ! Before starting the work, turn off the power switch and disconnect the power plug for safety.
CHAPTER 5 PICK-UP/FEEDING SYSTEM COPYRIGHT © 1999 CANON INC. CANON PC800s/900s REV .0 AUG. 1999 PRINTED IN JAP AN (IMPRIME AU J APON) 5-19 Figure 5-201 Figure 5-202 [1] [2] [3] A. Pickup Assembly 1. Removing the Pickup Roller 1) Pull out the cassette.
CHAPTER 5 PICK-UP/FEEDING SYSTEM COPYRIGHT © 1999 CANON INC. CANON PC800s/900s REV .0 AUG. 1999 PRINTED IN JAP AN (IMPRIME AU J APON) 5-20 Figure 5-203 Figure 5-204 [4] [5] [6] [7] [9] [8] 5) While p.
CHAPTER 5 PICK-UP/FEEDING SYSTEM COPYRIGHT © 1999 CANON INC. CANON PC800s/900s REV .0 AUG. 1999 PRINTED IN JAP AN (IMPRIME AU J APON) 5-21 Figure 5-205 Figure 5-206 He x wrench [10] Pickup roller shaft [11] Pickup gear unit 7) Using a hex wrench or the like, push the hook [10] of the pickup roller through the hole to remove the pickup roller [11].
CHAPTER 5 PICK-UP/FEEDING SYSTEM COPYRIGHT © 1999 CANON INC. CANON PC800s/900s REV .0 AUG. 1999 PRINTED IN JAP AN (IMPRIME AU J APON) 5-22 Figure 5-207 Figure 5-208 [1] [2] [3] 2. Removing the Pickup Clutch 2.1 Removing the Pickup Clutch (single- feeder type) 1) Remove the front lower cover.
CHAPTER 5 PICK-UP/FEEDING SYSTEM COPYRIGHT © 1999 CANON INC. CANON PC800s/900s REV .0 AUG. 1999 PRINTED IN JAP AN (IMPRIME AU J APON) 5-23 Figure 5-209 Figure 5-210 Figure 5-211 [5] [6] [5] [4] [8] [7] [6] [9] [10] [11] 5) Remove the screw [4] and the two claws [5], and detach the gear unit [6].
CHAPTER 5 PICK-UP/FEEDING SYSTEM COPYRIGHT © 1999 CANON INC. CANON PC800s/900s REV .0 AUG. 1999 PRINTED IN JAP AN (IMPRIME AU J APON) 5-24 Figure 5-212 Figure 5-213 [1] [2] [3] 2.2 Removing the Pickup Clutch (multifeeder type) 1) Remove the front lower cover.
CHAPTER 5 PICK-UP/FEEDING SYSTEM COPYRIGHT © 1999 CANON INC. CANON PC800s/900s REV .0 AUG. 1999 PRINTED IN JAP AN (IMPRIME AU J APON) 5-25 Figure 5-214 Figure 5-215 [4] [4] [5] [6] [7] 5) While freeing the two claws [4], remove the pickup clutch unit [5].
CHAPTER 5 PICK-UP/FEEDING SYSTEM COPYRIGHT © 1999 CANON INC. CANON PC800s/900s REV .0 AUG. 1999 PRINTED IN JAP AN (IMPRIME AU J APON) 5-26 Figure 5-216 Figure 5-217 [1] [2] [3] 3. Removing the Vertical Path Roller 1) Remove the front lower cover. (See Chapter 7.
CHAPTER 5 PICK-UP/FEEDING SYSTEM COPYRIGHT © 1999 CANON INC. CANON PC800s/900s REV .0 AUG. 1999 PRINTED IN JAP AN (IMPRIME AU J APON) 5-27 Figure 5-218 [4] [5] 4) While lifting the sensor lever [4], remove the vertical path roller [5].
CHAPTER 5 PICK-UP/FEEDING SYSTEM COPYRIGHT © 1999 CANON INC. CANON PC800s/900s REV .0 AUG. 1999 PRINTED IN JAP AN (IMPRIME AU J APON) 5-28 Figure 5-219 Figure 5-220 [1] [2] [1] Pickup gear unit B. Multifeeder Assembly 1. Removing the Multifeeder Unit 1) Open the right door.
CHAPTER 5 PICK-UP/FEEDING SYSTEM COPYRIGHT © 1999 CANON INC. CANON PC800s/900s REV .0 AUG. 1999 PRINTED IN JAP AN (IMPRIME AU J APON) 5-29 Figure 5-221 Figure 5-222 Figure 5-223 [2] [1] [1] [3] [4] [6] [5] 2. Removing the Multifeeder Pickup Roller 1) Remove the multifeeder unit.
CHAPTER 5 PICK-UP/FEEDING SYSTEM COPYRIGHT © 1999 CANON INC. CANON PC800s/900s REV .0 AUG. 1999 PRINTED IN JAP AN (IMPRIME AU J APON) 5-30 Figure 5-224 Figure 5-225 [1] [2] [3] [4] [5] [5] 3. Removing the Separation Pad 1) Remove the multifeeder pickup roller to- gether with its shaft.
CHAPTER 5 PICK-UP/FEEDING SYSTEM COPYRIGHT © 1999 CANON INC. CANON PC800s/900s REV .0 AUG. 1999 PRINTED IN JAP AN (IMPRIME AU J APON) 5-31 Figure 5-226 [1] [2] [1] C. Single-feeder Assembly 1. Removing the Single-feeder Unit 1) Open the right door. 2) Remove the two screws [1], and remove the single-feeder unit [2].
CHAPTER 5 PICK-UP/FEEDING SYSTEM COPYRIGHT © 1999 CANON INC. CANON PC800s/900s REV .0 AUG. 1999 PRINTED IN JAP AN (IMPRIME AU J APON) 5-32 Figure 5-229 [3] [5] [6] 4) Free the claw [5] of the paper guide plate [3], and remove the single-feeder pickup roller [6].
CHAPTER 5 PICK-UP/FEEDING SYSTEM COPYRIGHT © 1999 CANON INC. CANON PC800s/900s REV .0 AUG. 1999 PRINTED IN JAP AN (IMPRIME AU J APON) 5-33 Figure 5-230 Figure 5-231 [2] [1] [3] [3] [3] [3] [3] [3] [4] [4] [4] [4] [5] [5] [5] D. Feeding Assembly 1. Detaching the Feed Belt 1) Open the machine’s top unit.
CHAPTER 5 PICK-UP/FEEDING SYSTEM COPYRIGHT © 1999 CANON INC. CANON PC800s/900s REV .0 AUG. 1999 PRINTED IN JAP AN (IMPRIME AU J APON) 5-34 Figure 5-233 [3] [2] [2] Figure 5-232 [1] [1] E. Registration Roller Assembly 1. Removing the Registration Roller Unit 1) Open the machine’s top unit.
CHAPTER 5 PICK-UP/FEEDING SYSTEM COPYRIGHT © 1999 CANON INC. CANON PC800s/900s REV .0 AUG. 1999 PRINTED IN JAP AN (IMPRIME AU J APON) 5-35 Figure 5-234 Figure 5-235 [1] [2] [3] [4] 2. Removing the Registration Roller Clutch 1) Remove the registration roller unit.
CHAPTER 5 PICK-UP/FEEDING SYSTEM COPYRIGHT © 1999 CANON INC. CANON PC800s/900s REV .0 AUG. 1999 PRINTED IN JAP AN (IMPRIME AU J APON) 5-36 Figure 5-237 Figure 5-238 [1] [3] [3] [2] [4] [5] [6] F. Delivery Assembly 1. Removing the Delivery Roller 1) Remove the fixing lower roller.
CHAPTER 5 PICK-UP/FEEDING SYSTEM COPYRIGHT © 1999 CANON INC. CANON PC800s/900s REV .0 AUG. 1999 PRINTED IN JAP AN (IMPRIME AU J APON) 5-37 Figure 5-239 Figure 5-240 4) Remove the two bushings [7]. 5) While shifting the delivery lower guide [8] toward the rear, detach the delivery roller [9].
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COPYRIGHT © 1999 CANON INC. CANON PC800s/900 s R EV . 0 AU G. 1999 PRINTED IN JAP AN (IMPRIME AU J APON) CHAPTER 6 FIXING SYSTEM This chapter explains the principles used to fuse toner images to transfer medium in view of the functions of electrical and mechanical units and in relation to their timing of operation.
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CHAPTER 6 FIXING SYSTEM COPYRIGHT © 1999 CANON INC. CANON PC800s/900s REV .0 AUG. 1999 PRINTED IN JAP AN (IMPRIME AU J APON) 6-1 Table 6-101 Item Fixing method Fixing drive Fixing heater Fixing tempe.
CHAPTER 6 FIXING SYSTEM COPYRIGHT © 1999 CANON INC. CANON PC800s/900s REV .0 A UG. 1999 PRINTED IN J AP AN (IMPRIME AU J APON) 6-2 Figure 6-101 Figure 6-102 Cleaning roller Fixing lower roller Fixing.
CHAPTER 6 FIXING SYSTEM COPYRIGHT © 1999 CANON INC. CANON PC800s/900s REV .0 AUG. 1999 PRINTED IN JAP AN (IMPRIME AU J APON) 6-3 B. Controlling the Fixing Temperature 1. Outline The fixing lower roller of the fixing assembly is driven by the main motor (M1).
CHAPTER 6 FIXING SYSTEM COPYRIGHT © 1999 CANON INC. CANON PC800s/900s REV .0 A UG. 1999 PRINTED IN J AP AN (IMPRIME AU J APON) 6-4 2. Controlling the Temperature of the Fixing Heater The temperature of the fixing heater is switched according to the following two parameters: • Temperature of the fixing heater when the Copy Start key is pressed.
CHAPTER 6 FIXING SYSTEM COPYRIGHT © 1999 CANON INC. CANON PC800s/900s REV .0 AUG. 1999 PRINTED IN JAP AN (IMPRIME AU J APON) 6-5 Heater temperature when the Copy Start key is pressed Less than 100°C.
CHAPTER 6 FIXING SYSTEM COPYRIGHT © 1999 CANON INC. CANON PC800s/900s REV .0 A UG. 1999 PRINTED IN J AP AN (IMPRIME AU J APON) 6-6 Figure 6-106 Figure 6-105 4. Correcting the Variation in the Resistance of the Fixing Heater The characteristics of the flat heater used as the fixing heater vary from heater to heater because the production method.
CHAPTER 6 FIXING SYSTEM COPYRIGHT © 1999 CANON INC. CANON PC800s/900s REV .0 AUG. 1999 PRINTED IN JAP AN (IMPRIME AU J APON) 6-7 Figure 6-107 5. Controlling the Power Supplied to the Fixing Heater be.
CHAPTER 6 FIXING SYSTEM COPYRIGHT © 1999 CANON INC. CANON PC800s/900s REV .0 A UG. 1999 PRINTED IN J AP AN (IMPRIME AU J APON) 6-8 6. Protective Functions The machine is equipped with the following protective functions to prevent malfunction of the fixing heater.
CHAPTER 6 FIXING SYSTEM COPYRIGHT © 1999 CANON INC. CANON PC800s/900s REV .0 AUG. 1999 PRINTED IN JAP AN (IMPRIME AU J APON) 6-9 b. Thermal Fuse (FU2) If the temperature around the thermal fuse exceeds 228°C and remains so for a specific period of time, the thermal fuse will blow to cut the power to the fixing heater.
CHAPTER 6 FIXING SYSTEM COPYRIGHT © 1999 CANON INC. CANON PC800s/900s REV .0 A UG. 1999 PRINTED IN J AP AN (IMPRIME AU J APON) 6-10 II. DISASSEMBLY/ASSEMBLY As needed, disassemble/assemble the machine with the following in mind: 1. ! Before starting the work, turn off the power switch and disconnect the power plug for safety.
CHAPTER 6 FIXING SYSTEM COPYRIGHT © 1999 CANON INC. CANON PC800s/900s REV .0 AUG. 1999 PRINTED IN JAP AN (IMPRIME AU J APON) 6-11 Figure 6-201 Figure 6-202 [5] [4] [3] [1] [2] [2] [3] [1] [1] Fixing heater [2] Fixing film [3] Inlet guide [4] Fixing lower roller [5] Cleaning roller A.
CHAPTER 6 FIXING SYSTEM COPYRIGHT © 1999 CANON INC. CANON PC800s/900s REV .0 A UG. 1999 PRINTED IN J AP AN (IMPRIME AU J APON) 6-12 Figure 6-203 Figure 6-204 [5] [4] [8] [6] [7] 3) Remove the screw [4], and disconnect the connector [5].
CHAPTER 6 FIXING SYSTEM COPYRIGHT © 1999 CANON INC. CANON PC800s/900s REV .0 AUG. 1999 PRINTED IN JAP AN (IMPRIME AU J APON) 6-13 Figure 6-205 Figure 6-206 [1] [2] [2] [3] [5] [4] 3. Removing the Fixing Lower Roller 1) Remove the fixing assembly. (See 2.
CHAPTER 6 FIXING SYSTEM COPYRIGHT © 1999 CANON INC. CANON PC800s/900s REV .0 A UG. 1999 PRINTED IN J AP AN (IMPRIME AU J APON) 6-14 4. Removing the Cleaning Roller 1) Remove the fixing lower roller. (See 3. “Removing the Fixing Lower Roller.”) 2) Remove the cleaning roller [1] together with the bushing.
COPYRIGHT © 1999 CANON INC. CANON PC800s/900 s R EV . 0 AU G. 1999 PRINTED IN JAP AN (IMPRIME AU J APON) CHAPTER 7 EXTERNALS/AUXILIARY MECHANISMS This chapter shows the machine's external parts,.
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CHAPTER 7 EXTERNALS/A UXILIAR Y MECHANISMS COPYRIGHT © 1999 CANON INC. CANON PC800s/900s REV .0 AUG. 1999 PRINTED IN JAP AN (IMPRIME AU J APON) 7-1 Figure 7-101 Heat e xhausting fan FM1 I. FANS The machine is equipped with two fans serving to discharge ozone or cool its inside.
CHAPTER 7 EXTERNALS/A UXILIAR Y MECHANISMS COPYRIGHT © 1999 CANON INC. CANON PC800s/900s REV .0 A UG. 1999 PRINTED IN J AP AN (IMPRIME AU J APON) 7-2 Figure 7-102 I: If 6-cpm copying speed control is executed starting with the first copy, the fan will rotate.
CHAPTER 7 EXTERNALS/A UXILIAR Y MECHANISMS COPYRIGHT © 1999 CANON INC. CANON PC800s/900s REV .0 AUG. 1999 PRINTED IN JAP AN (IMPRIME AU J APON) 7-3 Figure 7-201 Power plug DS1 Composite power supply .
CHAPTER 7 EXTERNALS/A UXILIAR Y MECHANISMS COPYRIGHT © 1999 CANON INC. CANON PC800s/900s REV .0 A UG. 1999 PRINTED IN J AP AN (IMPRIME AU J APON) 7-4 B.
CHAPTER 7 EXTERNALS/A UXILIAR Y MECHANISMS COPYRIGHT © 1999 CANON INC. CANON PC800s/900s REV .0 AUG. 1999 PRINTED IN JAP AN (IMPRIME AU J APON) 7-5 Figure 7-202 Door switch DS1 Auxiliary power supply.
CHAPTER 7 EXTERNALS/A UXILIAR Y MECHANISMS COPYRIGHT © 1999 CANON INC. CANON PC800s/900s REV .0 A UG. 1999 PRINTED IN J AP AN (IMPRIME AU J APON) 7-6 C.
CHAPTER 7 EXTERNALS/A UXILIAR Y MECHANISMS COPYRIGHT © 1999 CANON INC. CANON PC800s/900s REV .0 AUG. 1999 PRINTED IN JAP AN (IMPRIME AU J APON) 7-7 III. DISASSEMBLY/ASSEMBLY As needed, disassemble/assemble the machine with the following in mind: 1. ! Before starting the work, turn off the power switch and disconnect the power plug for safety.
CHAPTER 7 EXTERNALS/A UXILIAR Y MECHANISMS COPYRIGHT © 1999 CANON INC. CANON PC800s/900s REV .0 A UG. 1999 PRINTED IN J AP AN (IMPRIME AU J APON) 7-8 Figure 7-301 (Copyboard type) [2] [1] [3] [6] [4] [5] [7] [1] Copyboard cover [2] Top cover [3] Control panel [4] Front lower cover [5] Cassette [6] Front upper cover [7] Left cover A.
CHAPTER 7 EXTERNALS/A UXILIAR Y MECHANISMS COPYRIGHT © 1999 CANON INC. CANON PC800s/900s REV .0 AUG. 1999 PRINTED IN JAP AN (IMPRIME AU J APON) 7-9 Figure 7-303 Figure 7-302 (ADF type) [1] ADF [2] To.
CHAPTER 7 EXTERNALS/A UXILIAR Y MECHANISMS COPYRIGHT © 1999 CANON INC. CANON PC800s/900s REV .0 A UG. 1999 PRINTED IN J AP AN (IMPRIME AU J APON) 7-10 Figure 7-304 Figure 7-305 [1] [1] [2] [3] [3] [4] 1. Removing the Top Cover 1) Remove the copyboard cover or the ADF.
CHAPTER 7 EXTERNALS/A UXILIAR Y MECHANISMS COPYRIGHT © 1999 CANON INC. CANON PC800s/900s REV .0 AUG. 1999 PRINTED IN JAP AN (IMPRIME AU J APON) 7-11 Figure 7-306 Figure 7-307 [5] [6] [7] [8] [9] 5) Remove the screw [5], and free the four claws [6]; then, detach the rear cover [7].
CHAPTER 7 EXTERNALS/A UXILIAR Y MECHANISMS COPYRIGHT © 1999 CANON INC. CANON PC800s/900s REV .0 A UG. 1999 PRINTED IN J AP AN (IMPRIME AU J APON) 7-12 Figure 7-308 [10] [11] [10] 7) Free the two claw [10]; then lift the top cover [11] to detach.
CHAPTER 7 EXTERNALS/A UXILIAR Y MECHANISMS COPYRIGHT © 1999 CANON INC. CANON PC800s/900s REV .0 AUG. 1999 PRINTED IN JAP AN (IMPRIME AU J APON) 7-13 Figure 7-309 [1] [2] [1] [3] [3] [4] Figure 7-310 2. Removing the Front Lower Cover 1) Open the right door.
CHAPTER 7 EXTERNALS/A UXILIAR Y MECHANISMS COPYRIGHT © 1999 CANON INC. CANON PC800s/900s REV .0 A UG. 1999 PRINTED IN J AP AN (IMPRIME AU J APON) 7-14 Figure 7-312 Figure 7-313 [6] [6] [7] Pickup gear unit Figure 7-311 [5] 5 ) Remove the two screws [5] from the screw plate found at the bottom of the ma- chine.
CHAPTER 7 EXTERNALS/A UXILIAR Y MECHANISMS COPYRIGHT © 1999 CANON INC. CANON PC800s/900s REV .0 AUG. 1999 PRINTED IN JAP AN (IMPRIME AU J APON) 7-15 Figure 7-314 Figure 7-315 [1] [1] [2] [4] Lighter Darker Auto Exposure Manual Exposure Photo Timer Sa ver Mov e to the right [5] [6] [3] [7] B.
CHAPTER 7 EXTERNALS/A UXILIAR Y MECHANISMS COPYRIGHT © 1999 CANON INC. CANON PC800s/900s REV .0 A UG. 1999 PRINTED IN J AP AN (IMPRIME AU J APON) 7-16 Figure 7-316 Figure 7-317 [1] [2] [2] [3] Grounding plate Cop yboard glass C. Copyboard Glass 1. Removing the Copyboard Glass 1) Remove the top cover.
CHAPTER 7 EXTERNALS/A UXILIAR Y MECHANISMS COPYRIGHT © 1999 CANON INC. CANON PC800s/900s REV .0 AUG. 1999 PRINTED IN JAP AN (IMPRIME AU J APON) 7-17 Figure 7-318 Figure 7-319 [1] [2] [3] D. Main Motor/Main Drive Assembly 1. Removing the Main Motor Unit 1) Remove the drum cartridge.
CHAPTER 7 EXTERNALS/A UXILIAR Y MECHANISMS COPYRIGHT © 1999 CANON INC. CANON PC800s/900s REV .0 A UG. 1999 PRINTED IN J AP AN (IMPRIME AU J APON) 7-18 Figure 7-321 [5] [5] [6] [4] Figure 7-320 5) Detach the fan belt [4]. 6) Remove the four screws [5], and detach the main motor unit [6].
CHAPTER 7 EXTERNALS/A UXILIAR Y MECHANISMS COPYRIGHT © 1999 CANON INC. CANON PC800s/900s REV .0 AUG. 1999 PRINTED IN JAP AN (IMPRIME AU J APON) 7-19 Figure 7-322 Figure 7-323 [1] [2] [3] 2. Removing the Main Drive Assem- bly 1) Remove the drum cartridge.
CHAPTER 7 EXTERNALS/A UXILIAR Y MECHANISMS COPYRIGHT © 1999 CANON INC. CANON PC800s/900s REV .0 A UG. 1999 PRINTED IN J AP AN (IMPRIME AU J APON) 7-20 Figure 7-324 Figure 7-325 [4] [5] [5] [6] 5) Detach the fan belt [4]. 6) Remove the five screws [5], and detach the main drive assembly [6].
CHAPTER 7 EXTERNALS/A UXILIAR Y MECHANISMS COPYRIGHT © 1999 CANON INC. CANON PC800s/900s REV .0 AUG. 1999 PRINTED IN JAP AN (IMPRIME AU J APON) 7-21 Figure 7-326 Figure 7-327 [1] [1] [2] [3] [4] [4] [4] [5] E. Electrical System 1. Removing the DC Controller PCB 1) Open the machine’s top unit.
CHAPTER 7 EXTERNALS/A UXILIAR Y MECHANISMS COPYRIGHT © 1999 CANON INC. CANON PC800s/900s REV .0 A UG. 1999 PRINTED IN J AP AN (IMPRIME AU J APON) 7-22 Figure 7-328 Figure 7-329 [1] [2] [3] [3] [3] [4] 2. Removing the Composite Power Supply PCB 1) Remove the copyboard cover or the ADF.
CHAPTER 7 EXTERNALS/A UXILIAR Y MECHANISMS COPYRIGHT © 1999 CANON INC. CANON PC800s/900s REV .0 AUG. 1999 PRINTED IN JAP AN (IMPRIME AU J APON) 7-23 5) Remove the seven screws [5], and free the five claws [6]; then, detach the composite power supply PCB [7].
CHAPTER 7 EXTERNALS/A UXILIAR Y MECHANISMS COPYRIGHT © 1999 CANON INC. CANON PC800s/900s REV .0 A UG. 1999 PRINTED IN J AP AN (IMPRIME AU J APON) 7-24 3. Points to Note When Handling the Composite Power Supply PCB 1) Some capacitors on the composite power supply hold charges when the machine’s power supply is off.
COPYRIGHT © 1999 CANON INC. CANON PC800s/900 s R EV . 0 AU G. 1999 PRINTED IN JAP AN (IMPRIME AU J APON) CHAPTER 8 ADF I. ADF .............................................. 8-1 A. Outline ................................... 8-1 B Basic Construction .
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CHAPTER 8 ADF COPYRIGHT © 1999 CANON INC. CANON PC800s/900s REV .0 AUG. 1999 PRINTED IN JAP AN (IMPRIME AU J APON) 8-1 I. ADF A. Outline The ADF picks up the originals stacked on the original tray starting with the topmost original, moves them through the copyboard, and delivers them.
CHAPTER 8 ADF COPYRIGHT © 1999 CANON INC. CANON PC800s/900s REV .0 AUG. 1999 PRINTED IN JAP AN (IMPRIME AU JAPON) 8-2 B Basic Construction 1. Outline of the Electric Circuitry The ADF’s major electrical mechanisms are controlled by the CPU on the ADF controller PCB.
CHAPTER 8 ADF COPYRIGHT © 1999 CANON INC. CANON PC800s/900s REV .0 AUG. 1999 PRINTED IN JAP AN (IMPRIME AU J APON) 8-3 2. Inputs to and Outputs from the ADF Controller PCB a.
CHAPTER 8 ADF COPYRIGHT © 1999 CANON INC. CANON PC800s/900s REV .0 AUG. 1999 PRINTED IN JAP AN (IMPRIME AU JAPON) 8-4 C. Basic Operations 1. Outline The ADF uses two motors for picking up and delivering originals. The pickup motor (M2) is used to pick up originals, and the belt motor (M1) is used to move, stop, and deliver originals.
CHAPTER 8 ADF COPYRIGHT © 1999 CANON INC. CANON PC800s/900s REV .0 AUG. 1999 PRINTED IN JAP AN (IMPRIME AU J APON) 8-5 2. One-Sided Original Mode The ADF picks up originals stacked on the original tr.
CHAPTER 8 ADF COPYRIGHT © 1999 CANON INC. CANON PC800s/900s REV .0 AUG. 1999 PRINTED IN JAP AN (IMPRIME AU JAPON) 8-6 D. Detecting an Original 1. Outline The ADF’s original detection mechanism has the following two functions: 1. Detecting the Presence/Absence of an Original Checks whether there is an original on the original tray.
CHAPTER 8 ADF COPYRIGHT © 1999 CANON INC. CANON PC800s/900s REV .0 AUG. 1999 PRINTED IN JAP AN (IMPRIME AU J APON) 8-7 2. Identifying the Length of the Original The registration paper sensor (PI2) is used to identify the length of the original, if any.
CHAPTER 8 ADF COPYRIGHT © 1999 CANON INC. CANON PC800s/900s REV .0 AUG. 1999 PRINTED IN JAP AN (IMPRIME AU JAPON) 8-8 E. Pickup Operation 1. Operation When an original is placed on the original tray .
CHAPTER 8 ADF COPYRIGHT © 1999 CANON INC. CANON PC800s/900s REV .0 AUG. 1999 PRINTED IN JAP AN (IMPRIME AU J APON) 8-9 3 Arching The first original is butted against the registration roller so that it arches.
CHAPTER 8 ADF COPYRIGHT © 1999 CANON INC. CANON PC800s/900s REV .0 AUG. 1999 PRINTED IN JAP AN (IMPRIME AU JAPON) 8-10 5 Feeding 2 The feeding belt is moved counterclockwise so that the first original is stopped at a specific location on the copyboard glass.
CHAPTER 8 ADF COPYRIGHT © 1999 CANON INC. CANON PC800s/900s REV .0 AUG. 1999 PRINTED IN JAP AN (IMPRIME AU J APON) 8-11 2. Sequence of Pickup Operations (A4/LTR, 2 originals) Figure 8-115 3.
CHAPTER 8 ADF COPYRIGHT © 1999 CANON INC. CANON PC800s/900s REV .0 AUG. 1999 PRINTED IN JAP AN (IMPRIME AU JAPON) 8-12 F. Delivery 1. Operations The ADF operates as follows to deliver originals from the copyboard glass: 1 Delivery Feeding The feeding belt is moved to feed and deliver the first original on the copyboard glass.
CHAPTER 8 ADF COPYRIGHT © 1999 CANON INC. CANON PC800s/900s REV .0 AUG. 1999 PRINTED IN JAP AN (IMPRIME AU J APON) 8-13 2. Sequence of Operations (A4/LTR, 2 originals) Figure 8-119 3.
CHAPTER 8 ADF COPYRIGHT © 1999 CANON INC. CANON PC800s/900s REV .0 AUG. 1999 PRINTED IN JAP AN (IMPRIME AU JAPON) 8-14 G. Controlling the Pickup Motor 1. Outline Figure 8-121 is a diagram of the control circuit for the pickup motor (M2). The pickup motor is a DC motor.
CHAPTER 8 ADF COPYRIGHT © 1999 CANON INC. CANON PC800s/900s REV .0 AUG. 1999 PRINTED IN JAP AN (IMPRIME AU J APON) 8-15 H. Controlling the Belt Motor 1. Outline Figure 8-122 is a diagram showing the control circuit for the belt motor (M2). The belt motor is a 4-phase control stepping motor.
CHAPTER 8 ADF COPYRIGHT © 1999 CANON INC. CANON PC800s/900s REV .0 AUG. 1999 PRINTED IN JAP AN (IMPRIME AU JAPON) 8-16 I. Detecting Original Jams The ADF is equipped with three jam sensors (PI1 through PI3) as indicated in Figure 8-123 to monitor the movement of originals.
CHAPTER 8 ADF COPYRIGHT © 1999 CANON INC. CANON PC800s/900s REV .0 AUG. 1999 PRINTED IN JAP AN (IMPRIME AU J APON) 8-17 J. Power Supply 1. Outline Figure 8-124 shows the routes of power supply. The ADF is supplied by the copier with 5 V and 24 V. The 24V supply is cut off when the ADF is opened, i.
CHAPTER 8 ADF COPYRIGHT © 1999 CANON INC. CANON PC800S/900S REV .0 A UG. 1999 PRINTED IN JA P AN (IMPRIME AU JAPON) 8-18 II. DISASSEMBLY/ASSEMBLY As needed, disassemble/assemble the machine with the following in mind: 1. ! Before starting the work, turn off the power switch and disconnect the power plug for safety.
CHAPTER 8 ADF COPYRIGHT © 1999 CANON INC. CANON PC800s/900s REV .0 AUG. 1999 PRINTED IN JAP AN (IMPRIME AU J APON) 8-19 A. Removing the ADF 1) Open the machine’s top unit. 2) Free the two claws [1], and slide the left cover [2] to detach. 3) Remove the screw [3], and free the four claws [4]; then, the detach the rear cover [5].
CHAPTER 8 ADF COPYRIGHT © 1999 CANON INC. CANON PC800s/900s REV .0 AUG. 1999 PRINTED IN JAP AN (IMPRIME AU JAPON) 8-20 Figure 8-204 Figure 8-205 [11] [11] 6) Disconnect the two connectors [8], and remove the screw [9]; then, remove the cable bush [10].
CHAPTER 8 ADF COPYRIGHT © 1999 CANON INC. CANON PC800s/900s REV .0 AUG. 1999 PRINTED IN JAP AN (IMPRIME AU J APON) 8-21 B. External Covers Remove the covers as follows when cleaning, checking, or repairing the inside of the machine: 1) Remove the ADF from the copier.
CHAPTER 8 ADF COPYRIGHT © 1999 CANON INC. CANON PC800s/900s REV .0 AUG. 1999 PRINTED IN JAP AN (IMPRIME AU JAPON) 8-22 3) Remove the six screws [3], and separate the lower cover [4] from the upper cover [5]. 4) Disconnect the connector [6], and remove the lower cover [4].
CHAPTER 8 ADF COPYRIGHT © 1999 CANON INC. CANON PC800s/900s REV .0 AUG. 1999 PRINTED IN JAP AN (IMPRIME AU J APON) 8-23 C. Drive System 1. Drive Unit 1) Remove the lower cover. (See “B. External Covers.”) 2) Remove the screw [1] and the bushing [2]; then, remove the pickup roller cover [3].
CHAPTER 8 ADF COPYRIGHT © 1999 CANON INC. CANON PC800s/900s REV .0 AUG. 1999 PRINTED IN JAP AN (IMPRIME AU JAPON) 8-24 4) Remove the timing belt [6], and remove the feeding belt roller [7] by shifting it in the direction of the arrow. 5) Remove the five screws [9], and remove the right hinge unit [8].
CHAPTER 8 ADF COPYRIGHT © 1999 CANON INC. CANON PC800s/900s REV .0 AUG. 1999 PRINTED IN JAP AN (IMPRIME AU J APON) 8-25 7) Disconnect the two connectors [12], and remove the five screws [13]; then, remove the drive unit [14].
CHAPTER 8 ADF COPYRIGHT © 1999 CANON INC. CANON PC800s/900s REV .0 AUG. 1999 PRINTED IN JAP AN (IMPRIME AU JAPON) 8-26 D. Feeding System 1. Pickup Roller 1) Remove the drive unit [1]. (See “C.1. Drive Unit.”) 2) Remove the E-ring [2], and remove the shaft [3]; then, detach the pickup roller 1 [4].
CHAPTER 8 ADF COPYRIGHT © 1999 CANON INC. CANON PC800s/900s REV .0 AUG. 1999 PRINTED IN JAP AN (IMPRIME AU J APON) 8-27 4) Remove the two straight pins [6], and re- move the pickup roller 2 [8] while moving the cover [7] in the direction of the arrow.
CHAPTER 8 ADF COPYRIGHT © 1999 CANON INC. CANON PC800s/900s REV .0 AUG. 1999 PRINTED IN JAP AN (IMPRIME AU JAPON) 8-28 2. Registration Roller 1) Remove the lower cover. (See “B. External Covers.”) 2) Remove the link arm [1] from the registra- tion roller shaft [2] by turning the link arm.
CHAPTER 8 ADF COPYRIGHT © 1999 CANON INC. CANON PC800s/900s REV .0 AUG. 1999 PRINTED IN JAP AN (IMPRIME AU J APON) 8-29 3. Feeding Belt 1) Remove the lower cover. (See “B. External Covers.”) 2) Remove the two tension springs [1]. 3) Remove the E-ring [2], and remove the bearing [3].
CHAPTER 8 ADF COPYRIGHT © 1999 CANON INC. CANON PC800s/900s REV .0 AUG. 1999 PRINTED IN JAP AN (IMPRIME AU JAPON) 8-30 5) Remove the two equalizer spring [6] and the two feeding belt rolls [7]. 6) Remove the two screws [9], and remove the delivery sensor unit [8].
CHAPTER 8 ADF COPYRIGHT © 1999 CANON INC. CANON PC800s/900s REV .0 AUG. 1999 PRINTED IN JAP AN (IMPRIME AU J APON) 8-31 8) Remove the screw [12], and remove the grounding wire [13]; then, remove the de- livery roller unit [14] by moving it in the direction of the arrow.
CHAPTER 8 ADF COPYRIGHT © 1999 CANON INC. CANON PC800s/900s REV .0 AUG. 1999 PRINTED IN JAP AN (IMPRIME AU JAPON) 8-32 11) Pull out the actuator [21] in the direction of the arrow; then, remove the feeding belt link roller [22], and remove the feeding belt [23].
CHAPTER 8 ADF COPYRIGHT © 1999 CANON INC. CANON PC800s/900s REV .0 AUG. 1999 PRINTED IN JAP AN (IMPRIME AU J APON) 8-33 E. Electrical System 1. ADF Controller PCB 1) Remove the lower cover. (See “B. External Covers.”) 2) Disconnect the five connectors [1], and remove the two screws [2]; then, remove the ADF controller PCB [3].
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COPYRIGHT © 1999 CANON INC. CANON PC800s/900 s R EV . 0 AU G. 1999 PRINTED IN JAP AN (IMPRIME AU J APON) CHAPTER 9 INSTALLATION I. SELECTING A SITE .................... 9-1 II. UNP A CKING AND INST ALLA TION ............................ 9-2 A. Unpacking and Installation .
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CHAPTER 9 INST ALLA TION COPYRIGHT © 1999 CANON INC. CANON PC800s/900s REV .0 AUG. 1999 PRINTED IN JAP AN (IMPRIME AU J APON) 9-1 I. SELECTING A SITE Keep the following in mind when selecting a site .
CHAPTER 9 INST ALLA TION COPYRIGHT © 1999 CANON INC. CANON PC800s/900s REV .0 AUG. 1999 PRINTED IN JAP AN (IMPRIME AU JAPON) 9-2 II . UNPACKING AND INSTALLATION When a piece of metal is brought in from a cold to warm place, droplets of water tend to form on its surface.
CHAPTER 9 INST ALLA TION COPYRIGHT © 1999 CANON INC. CANON PC800s/900s REV .0 AUG. 1999 PRINTED IN JAP AN (IMPRIME AU J APON) 9-3 Work Checks and remarks Step Remove the shipping attachment [2] (black screw) from the right side of the machine. 4 Shipping attachment [2] You will be storing the shipping attachment [2] inside the machine in step 9.
CHAPTER 9 INST ALLA TION COPYRIGHT © 1999 CANON INC. CANON PC800s/900s REV .0 AUG. 1999 PRINTED IN JAP AN (IMPRIME AU JAPON) 9-4 Work Checks and remarks Step Open the copyboard cover, and remove the protective sheet. (Copyboard type only) Caution: If the protective sheet is not fond on the ma- chine, go to the next step.
CHAPTER 9 INST ALLA TION COPYRIGHT © 1999 CANON INC. CANON PC800s/900s REV .0 AUG. 1999 PRINTED IN JAP AN (IMPRIME AU J APON) 9-5 Work Checks and remarks Step Pick the fixing member from the bottom of the top unit, and detach it. 8 Store the shipping attachments [1] and [2] re- moved in steps 3 and 4 in the machine’s bot- tom unit.
CHAPTER 9 INST ALLA TION COPYRIGHT © 1999 CANON INC. CANON PC800s/900s REV .0 AUG. 1999 PRINTED IN JAP AN (IMPRIME AU JAPON) 9-6 Work Checks and remarks Step Place the cartridge on a level place, and pull off the open seal. Holding the tab, pull it straight out in the di- rection of the arrow.
CHAPTER 9 INST ALLA TION COPYRIGHT © 1999 CANON INC. CANON PC800s/900s REV .0 AUG. 1999 PRINTED IN JAP AN (IMPRIME AU J APON) 9-7 Work Checks and remarks Step While bending the ADF auxiliary tray in the direction of arrows in the figure, insert it into the holes on the edge of the original tray.
CHAPTER 9 INST ALLA TION COPYRIGHT © 1999 CANON INC. CANON PC800s/900s REV .0 AUG. 1999 PRINTED IN JAP AN (IMPRIME AU JAPON) 9-8 Work Checks and remarks Step Attach the copy tray. 20 Check to make sure that the three grooves in the copy tray are all in place.
CHAPTER 9 INST ALLA TION COPYRIGHT © 1999 CANON INC. CANON PC800s/900s REV .0 AUG. 1999 PRINTED IN JAP AN (IMPRIME AU J APON) 9-9 Work Checks and remarks Step B. Placing Copy Paper 1. Universal Cassette Take out the cassette from the machine, and remove the protective members and the label.
CHAPTER 9 INST ALLA TION COPYRIGHT © 1999 CANON INC. CANON PC800s/900s REV .0 AUG. 1999 PRINTED IN JAP AN (IMPRIME AU JAPON) 9-10 Work Checks and remarks Step Place copy paper in the cassette, and set the cassette into the machine. 4 All text on the label attached to the cassette is English.
CHAPTER 9 INST ALLA TION COPYRIGHT © 1999 CANON INC. CANON PC800s/900s REV .0 AUG. 1999 PRINTED IN JAP AN (IMPRIME AU J APON) 9-11 Work Checks and remarks Step 2. 250-Sheet/500-Sheet Cassette Take out the cassette from the machine, and remove the protective member.
CHAPTER 9 INST ALLA TION COPYRIGHT © 1999 CANON INC. CANON PC800s/900s REV .0 AUG. 1999 PRINTED IN JAP AN (IMPRIME AU JAPON) 9-12 III. MOVING THE MACHINE If you need to move the machine by truck or a.
CHAPTER 9 INST ALLA TION COPYRIGHT © 1999 CANON INC. CANON PC800s/900s REV .0 AUG. 1999 PRINTED IN JAP AN (IMPRIME AU J APON) 9-13 Work Checks and remarks Step Fit the shipping attachments [1] and [2] de- tached in step 5 back to the machine.
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COPYRIGHT © 1999 CANON INC. CANON PC800s/900 s R EV . 0 AU G. 1999 PRINTED IN JAP AN (IMPRIME AU J APON) CHAPTER 10 MAINTENANCE AND SERVICING I. PERIODICALL Y REPLA CED P ARTS ....................................... 10-1 II. DURABLES AND CONSUMABLES .
CHAPTER 10 MAINTENANCE AND SER VICING COPYRIGHT © 1999 CANON INC. CANON PC800s/900s REV .0 AUG. 1999 PRINTED IN JAP AN (IMPRIME AU J APON) 10-1 I. PERIODICALLY REPLACED PARTS The machine does not have parts which must be replaced on a periodical basis.
CHAPTER 10 MAINTENANCE AND SER VICING COPYRIGHT © 1999 CANON INC. CANON PC800s/900s REV .0 AUG. 1999 PRINTED IN JAP AN (IMPRIME AU JAPON) 10-2 IV . STORING AND HANDLING THE CARTRIDGE The cartridge is.
CHAPTER 10 MAINTENANCE AND SER VICING COPYRIGHT © 1999 CANON INC. CANON PC800s/900s REV .0 AUG. 1999 PRINTED IN JAP AN (IMPRIME AU J APON) 10-3 B. Storing and Handling the Cartridge with the Packaging Seal Removed The photosensitive medium is an organic photoconducting (OPC) material, which would dete- riorate if subjected to storing light.
CHAPTER 10 MAINTENANCE AND SER VICING COPYRIGHT © 1999 CANON INC. CANON PC800s/900s REV .0 AUG. 1999 PRINTED IN JAP AN (IMPRIME AU JAPON) 10-4 2. Handling the Cartridge a.
CHAPTER 10 MAINTENANCE AND SER VICING COPYRIGHT © 1999 CANON INC. CANON PC800s/900s REV .0 AUG. 1999 PRINTED IN JAP AN (IMPRIME AU J APON) 10-5 c. Do not touch the surface of the photosensitive drum as by opening the shutter for the photosen- sitive drum cover found at the bottom of the cartridge.
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COPYRIGHT © 1999 CANON INC. CANON PC800s/900 s R EV . 0 AU G. 1999 PRINTED IN JAP AN (IMPRIME AU J APON) CHAPTER 11 TROUBLESHOOTING I. MAINTENANCE AND INSPECTION ............................ 11-3 A. Image Adjustment Basic Procedure ..................
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CHAPTER 11 TROUBLESHOO TING COPYRIGHT © 1999 CANON INC. CANON PC800s/900s REV .0 A UG. 1999 PRINTED IN JAP AN (IMPRIME AU JAPON) 11-1 Guide to the Troubleshooting Procedure This chapter provides troubleshooting instructions in the form of tables prepared based on generally found flow charts.
CHAPTER 11 TROUBLESHOO TING COPYRIGHT © 1999 CANON INC. CANON PC800s/900s REV .0 AUG. 1999 PRINTED IN JAP AN (IMPRIME AU JAPON) 11-2 • Often, you will find the following instructions when checking the voltage using a meter: “mea- sure the voltage between J109-1 (+) and -2 (-) on the DC controller PCB.
11-3 COPYRIGHT © 1999 CANON INC. CANON PC800s/900s REV .0 AUG. 1999 PRINTED IN JAP AN (IMPRIME AU J APON) I. MAINTENANCE AND INSPECTION A. Image Adjustment Basic Procedure Making Pre-Checks Adjusting the Optimum Density Clean the par ts. Is the cop y density correction s witch (SW101) set to the middle inde x? (Note 1) Set it at the middle.
11-4 COPYRIGHT © 1999 CANON INC. CANON PC800s/900s REV .0 A UG. 1999 PRINTED IN JAP AN (IMPRIME AU JAPON) B. Points to Note for Servicing Copyboard cover Item Tools/solvent Work/remarks Copyboard glass Scanning lamp Reflecting plate No. 1 through No.
CHAPTER 11 TROUBLESHOO TING COPYRIGHT © 1999 CANON INC. CANON PC800s/900s REV .0 A UG. 1999 PRINTED IN JAP AN (IMPRIME AU JAPON) 11-5 I I . STANDARDS AND ADJUSTMENTS A. Mechanical 1. Copier a. Leading Edge Non-Image Width Make adjustments so that the leading edge non-image width is 2.
CHAPTER 11 TROUBLESHOO TING COPYRIGHT © 1999 CANON INC. CANON PC800s/900s REV .0 AUG. 1999 PRINTED IN JAP AN (IMPRIME AU JAPON) 11-6 b. Image Leading Edge Margin (registration activation timing) Make adjustments so that the leading edge margin is 2.5 ±1.
CHAPTER 11 TROUBLESHOO TING COPYRIGHT © 1999 CANON INC. CANON PC800s/900s REV .0 A UG. 1999 PRINTED IN JAP AN (IMPRIME AU JAPON) 11-7 c . Adjusting the Mirror Position (optical length between No.
CHAPTER 11 TROUBLESHOO TING COPYRIGHT © 1999 CANON INC. CANON PC800s/900s REV .0 AUG. 1999 PRINTED IN JAP AN (IMPRIME AU JAPON) 11-8 4) Turn the cable drive pulley [3] so that the three shafts [2] of the mirror positioning tool for the front and the rear may be arranged as shown.
CHAPTER 11 TROUBLESHOO TING COPYRIGHT © 1999 CANON INC. CANON PC800s/900s REV .0 A UG. 1999 PRINTED IN JAP AN (IMPRIME AU JAPON) 11-9 5) While keeping the condition of 4), tighten the positioning screw at the rear and the front of the No. 1 mirror mount [1].
CHAPTER 11 TROUBLESHOO TING COPYRIGHT © 1999 CANON INC. CANON PC800s/900s REV .0 AUG. 1999 PRINTED IN JAP AN (IMPRIME AU JAPON) 11-10 d. Checking the Force of the Cassette Spring If the force of the spring used to hold up the holding plate of the cassette is not correct, pickup faults or the like can occur.
CHAPTER 11 TROUBLESHOO TING COPYRIGHT © 1999 CANON INC. CANON PC800s/900s REV .0 A UG. 1999 PRINTED IN JAP AN (IMPRIME AU JAPON) 11-11 e-1. Routing the Scanner Drive Cable Figure 11-212 Wind 1.
CHAPTER 11 TROUBLESHOO TING COPYRIGHT © 1999 CANON INC. CANON PC800s/900s REV .0 AUG. 1999 PRINTED IN JAP AN (IMPRIME AU JAPON) 11-12 e-2. Routing the Scanner Drive Cable 1. Before Starting the Work Prepare the following: • Mirror positioning tool (FY9-3009) • Cable clip (FY9-3017) • Adhesive tape 1) Set the mirror positioning tool as shown.
CHAPTER 11 TROUBLESHOO TING COPYRIGHT © 1999 CANON INC. CANON PC800s/900s REV .0 A UG. 1999 PRINTED IN JAP AN (IMPRIME AU JAPON) 11-13 5) If the machine is equipped with an ADF, free the hook [2], and disconnect the two relay connec- tors [3] from the left upper stay [4].
CHAPTER 11 TROUBLESHOO TING COPYRIGHT © 1999 CANON INC. CANON PC800s/900s REV .0 AUG. 1999 PRINTED IN JAP AN (IMPRIME AU JAPON) 11-14 7) Remove the four screws [7], and detach the lens cover [8].
CHAPTER 11 TROUBLESHOO TING COPYRIGHT © 1999 CANON INC. CANON PC800s/900s REV .0 A UG. 1999 PRINTED IN JAP AN (IMPRIME AU JAPON) 11-15 2. Routing the Reversing Cable 1) Wind the reversing cables (silver-colored) [2] on the cable drive pulley [1] 7.5 times with the longer of the two on top; then, secure it in position with a cable clip [3].
CHAPTER 11 TROUBLESHOO TING COPYRIGHT © 1999 CANON INC. CANON PC800s/900s REV .0 AUG. 1999 PRINTED IN JAP AN (IMPRIME AU JAPON) 11-16 2) Put the cable drive pulley [1] into the shaft [4], and secure it in position with an E-ring [5]. When putting the cable drive pulley into the shaft, be sure that the hook is at the front.
CHAPTER 11 TROUBLESHOO TING COPYRIGHT © 1999 CANON INC. CANON PC800s/900s REV .0 A UG. 1999 PRINTED IN JAP AN (IMPRIME AU JAPON) 11-17 4) Lead the shorter end [6] under the No. 1 mirror mount [8] and the No. 2/3 mirror mount [9]; then, hook it on the left rear pulley [10] and the pulley [11] of the No.
CHAPTER 11 TROUBLESHOO TING COPYRIGHT © 1999 CANON INC. CANON PC800s/900s REV .0 AUG. 1999 PRINTED IN JAP AN (IMPRIME AU JAPON) 11-18 6) Lead the longer end [14] along the cable drive pulley, and hook it on the pulley [15] on the right front side. Figure 11-224 7) Lead the longer end [14] under the No.
CHAPTER 11 TROUBLESHOO TING COPYRIGHT © 1999 CANON INC. CANON PC800s/900s REV .0 A UG. 1999 PRINTED IN JAP AN (IMPRIME AU JAPON) 11-19 8) Hook the longer cable [14] on the cable hook [18]; then, secure its end to the left side with adhesive tape [19].
CHAPTER 11 TROUBLESHOO TING COPYRIGHT © 1999 CANON INC. CANON PC800s/900s REV .0 AUG. 1999 PRINTED IN JAP AN (IMPRIME AU JAPON) 11-20 3. Routing the Forwarding Cable 1) Fit the longer end forwarding cable (black) [2] on the top hook of the cable drive pulley [1], and wind it 1.
CHAPTER 11 TROUBLESHOO TING COPYRIGHT © 1999 CANON INC. CANON PC800s/900s REV .0 A UG. 1999 PRINTED IN JAP AN (IMPRIME AU JAPON) 11-21 3) Lead the longer end [5] under the No. 1 mirror mount [7]; then, hook it on the pulley [8] of the No. 2/3 mirror mount, and lead it between the No.
CHAPTER 11 TROUBLESHOO TING COPYRIGHT © 1999 CANON INC. CANON PC800s/900s REV .0 AUG. 1999 PRINTED IN JAP AN (IMPRIME AU JAPON) 11-22 5) Free the shorter end [3], and hook it on the pulley [11] on the right rear side. Figure 11-231 6) Lead the shorter end [3] under the No.
CHAPTER 11 TROUBLESHOO TING COPYRIGHT © 1999 CANON INC. CANON PC800s/900s REV .0 A UG. 1999 PRINTED IN JAP AN (IMPRIME AU JAPON) 11-23 7) Hook the end of the shorter end [3] on the hole [13] on the right side.
CHAPTER 11 TROUBLESHOO TING COPYRIGHT © 1999 CANON INC. CANON PC800s/900s REV .0 AUG. 1999 PRINTED IN JAP AN (IMPRIME AU JAPON) 11-24 9) Detach the pulley clip [16] from the cable drive pulley [1].
CHAPTER 11 TROUBLESHOO TING COPYRIGHT © 1999 CANON INC. CANON PC800s/900s REV .0 A UG. 1999 PRINTED IN JAP AN (IMPRIME AU JAPON) 11-25 4. Positioning the No. 1 Mirror Mount 1) Fix the rear and the front of the No. 1 mirror mount [1] temporarily to the metal fixing [2] of the forwarding cable.
CHAPTER 11 TROUBLESHOO TING COPYRIGHT © 1999 CANON INC. CANON PC800s/900s REV .0 AUG. 1999 PRINTED IN JAP AN (IMPRIME AU JAPON) 11-26 2) Turn the cable drive pulley [4] so that the three shafts [3] of the mirror positioning tool for rear and front is as shown.
CHAPTER 11 TROUBLESHOO TING COPYRIGHT © 1999 CANON INC. CANON PC800s/900s REV .0 A UG. 1999 PRINTED IN JAP AN (IMPRIME AU JAPON) 11-27 3) While keeping the condition of step 2), tighten the positioning screw on the rear and front of the No. 1 mirror mount [1].
CHAPTER 11 TROUBLESHOO TING COPYRIGHT © 1999 CANON INC. CANON PC800s/900s REV .0 AUG. 1999 PRINTED IN JAP AN (IMPRIME AU JAPON) 11-28 f . Point to Note When Mounting the Scanning Lamp When mounting the scanning lamp, be sure that its logo mark (manufacturer’s name) is toward the front.
CHAPTER 11 TROUBLESHOO TING COPYRIGHT © 1999 CANON INC. CANON PC800s/900s REV .0 A UG. 1999 PRINTED IN JAP AN (IMPRIME AU JAPON) 11-29 g. Points to Note When Mounting the Fuse When mounting the thermal fuse of the No. 1 mirror mount, be sure that the fuse is oriented as shown.
CHAPTER 11 TROUBLESHOO TING COPYRIGHT © 1999 CANON INC. CANON PC800s/900s REV .0 AUG. 1999 PRINTED IN JAP AN (IMPRIME AU JAPON) 11-30 B. ADF 1. Adjusting the Original Stop Position Adjust the original stop position in the following order: 1. Correcting original skew 2.
CHAPTER 11 TROUBLESHOO TING COPYRIGHT © 1999 CANON INC. CANON PC800s/900s REV .0 AUG. 1999 PRINTED IN JAP AN (IMPRIME AU J APON) 11-31 3) Press the Copy Start key to make a copy. 4) Check to make sure that the difference between L1 and L2 on the copy is 1.
CHAPTER 11 TROUBLESHOO TING COPYRIGHT © 1999 CANON INC. CANON PC800s/900s REV .0 AUG. 1999 PRINTED IN JAP AN (IMPRIME AU JAPON) 11-32 3. Adjusting the Rear/Front Original Stop Position You must first correct original skew before adjusting the rear/front original stop position.
CHAPTER 11 TROUBLESHOO TING COPYRIGHT © 1999 CANON INC. CANON PC800s/900s REV .0 AUG. 1999 PRINTED IN JAP AN (IMPRIME AU J APON) 11-33 3) Turn on the machine, and place the test sheet prepared in step 1) on the original tray. Figure 11-250 4) Press the Copy Start key to make a copy.
CHAPTER 11 TROUBLESHOO TING COPYRIGHT © 1999 CANON INC. CANON PC800s/900s REV .0 AUG. 1999 PRINTED IN JAP AN (IMPRIME AU JAPON) 11-34 6) If the distance is not as specified, loosen the pinion gear positioning screw under the original tray, and adjust the position of the pinion gear.
CHAPTER 11 TROUBLESHOO TING COPYRIGHT © 1999 CANON INC. CANON PC800s/900s REV .0 AUG. 1999 PRINTED IN JAP AN (IMPRIME AU J APON) 11-35 4. Adjusting the Original Leading Edge Stop Position You must first correct original skew and adjust the rear/front original stop position before adjusting the original leading edge stop position.
CHAPTER 11 TROUBLESHOO TING COPYRIGHT © 1999 CANON INC. CANON PC800s/900s REV .0 AUG. 1999 PRINTED IN JAP AN (IMPRIME AU JAPON) 11-36 3) Turn on the machine, and place the test sheet prepared in step 1) on the original tray. Figure 11-255 4) Press the Copy Start key to make a copy.
CHAPTER 11 TROUBLESHOO TING COPYRIGHT © 1999 CANON INC. CANON PC800s/900s REV .0 AUG. 1999 PRINTED IN JAP AN (IMPRIME AU J APON) 11-37 6) If the distance is not as specified, shift bit 1 of the DIP switch (SW1) on the ADF controller PCB to ON, and place an A4 or LTR white copy paper on the original tray.
CHAPTER 11 TROUBLESHOO TING COPYRIGHT © 1999 CANON INC. CANON PC800s/900s REV .0 AUG. 1999 PRINTED IN JAP AN (IMPRIME AU JAPON) 11-38 8) Use the rotary switch (SW2) on the ADF controller PCB to adjust the original leading edge stop position. Moving the rotary switch by a single notch changes the original stop position by about 0.
CHAPTER 11 TROUBLESHOO TING COPYRIGHT © 1999 CANON INC. CANON PC800s/900s REV .0 AUG. 1999 PRINTED IN JAP AN (IMPRIME AU J APON) 11-39 Example: If L4 is 13 mm, You must shift the original stop position toward the leading edge by 3 mm. 1) Place a sheet of A4 or LTR white copy paper on the original tray.
CHAPTER 11 TROUBLESHOO TING COPYRIGHT © 1999 CANON INC. CANON PC800s/900s REV .0 AUG. 1999 PRINTED IN JAP AN (IMPRIME AU JAPON) 11-40 4) Press the push switch (PSW) on the ADF controller PCB. • The copy paper on the copyboard will be discharged, and the optimum value will be stored.
CHAPTER 11 TROUBLESHOO TING COPYRIGHT © 1999 CANON INC. CANON PC800s/900s REV .0 AUG. 1999 PRINTED IN JAP AN (IMPRIME AU J APON) 11-41 C. Electrical 1.
CHAPTER 11 TROUBLESHOO TING COPYRIGHT © 1999 CANON INC. CANON PC800s/900s REV .0 AUG. 1999 PRINTED IN JAP AN (IMPRIME AU JAPON) 11-42 2. Adjusting the Intensity of the Scanning Lamp Adjust the intensity of the scanning lamp if you have replaced any of the following: • DC controller PCB • Composite power supply PCB (See p.
CHAPTER 11 TROUBLESHOO TING COPYRIGHT © 1999 CANON INC. CANON PC800s/900s REV .0 AUG. 1999 PRINTED IN JAP AN (IMPRIME AU J APON) 11-43 3. AE Adjustment Perform this adjustment if you have replaced any of the following: • DC controller PCB • Composite power supply PCB (See p.
CHAPTER 11 TROUBLESHOO TING COPYRIGHT © 1999 CANON INC. CANON PC800s/900s REV .0 AUG. 1999 PRINTED IN JAP AN (IMPRIME AU JAPON) 11-44 4) Turn VR103 on the DC controller PCB fully clockwise. Figure 11-266 5) Place a newspaper on the copyboard, and close the copyboard cover.
CHAPTER 11 TROUBLESHOO TING COPYRIGHT © 1999 CANON INC. CANON PC800s/900s REV .0 AUG. 1999 PRINTED IN JAP AN (IMPRIME AU J APON) 11-45 9) Repeat steps 5) through 8) so that the values of both VR102 and VR103 are target values.
CHAPTER 11 TROUBLESHOO TING COPYRIGHT © 1999 CANON INC. CANON PC800s/900s REV .0 AUG. 1999 PRINTED IN JAP AN (IMPRIME AU JAPON) 11-46 4. Adjusting the Reproduction Ratio (fine adjustment) Adjust the .
CHAPTER 11 TROUBLESHOO TING COPYRIGHT © 1999 CANON INC. CANON PC800s/900s REV .0 AUG. 1999 PRINTED IN JAP AN (IMPRIME AU J APON) 11-47 5. Checking the Photointerrupters 1) Set the meter range to 12 VDC. 2) Connect the - probe to GND (CPGND1) on the DC controller PCB.
CHAPTER 11 TROUBLESHOO TING COPYRIGHT © 1999 CANON INC. CANON PC800s/900s REV .0 AUG. 1999 PRINTED IN JAP AN (IMPRIME AU JAPON) 11-48 III. TROUBLESHOOTING IMAGE FAULTS A. Making Initial Checks 1. Site Environment Check the site against the following considerations: a.
CHAPTER 11 TROUBLESHOO TING COPYRIGHT © 1999 CANON INC. CANON PC800s/900s REV .0 AUG. 1999 PRINTED IN JAP AN (IMPRIME AU J APON) 11-49 8. Consumable a. Cartridge When the cartridge starts to run out of toner, copies will start to have white lines or spots as shown.
CHAPTER 11 TROUBLESHOO TING COPYRIGHT © 1999 CANON INC. CANON PC800s/900s REV .0 AUG. 1999 PRINTED IN JAP AN (IMPRIME AU JAPON) 11-50 9. Others When a machine is brought in from a cold place (e.g., warehouse) to a warm place, condensa- tion can occur inside it, leading to various problems; e.
CHAPTER 11 TROUBLESHOO TING COPYRIGHT © 1999 CANON INC. CANON PC800s/900s REV .0 AUG. 1999 PRINTED IN JAP AN (IMPRIME AU J APON) 11-51.
11-6 COPYRIGHT © 1999 CANON INC. CANON PC800s/900s REV .0 A UG. 1999 PRINTED IN JAP AN (IMPRIME AU JAPON) 11-52 NOTE: The samples are created intentionally. The NA-3 Test Sheet was copied in the direct mode in A3 and printed with a reduction of about 19%; actual images may be somewhat different.
CHAPTER 11 TROUBLESHOO TING COPYRIGHT © 1999 CANON INC. CANON PC800s/900s REV .0 AUG. 1999 PRINTED IN JAP AN (IMPRIME AU J APON) 11-53 C. Troubleshooting Image Faults 1 The copy is too light. (halftone area only) 2 The copy is too light. (including solid area) 3 The copy is too light.
CHAPTER 11 TROUBLESHOO TING COPYRIGHT © 1999 CANON INC. CANON PC800s/900s REV .0 AUG. 1999 PRINTED IN JAP AN (IMPRIME AU JAPON) 11-54 4 The copy has uneven density.
CHAPTER 11 TROUBLESHOO TING COPYRIGHT © 1999 CANON INC. CANON PC800s/900s REV .0 AUG. 1999 PRINTED IN JAP AN (IMPRIME AU J APON) 11-55 10 The copy has white spots.
CHAPTER 11 TROUBLESHOO TING COPYRIGHT © 1999 CANON INC. CANON PC800s/900s REV .0 AUG. 1999 PRINTED IN JAP AN (IMPRIME AU JAPON) 11-56 13 The back of the copy is soiled.
CHAPTER 11 TROUBLESHOO TING COPYRIGHT © 1999 CANON INC. CANON PC800s/900s REV .0 AUG. 1999 PRINTED IN JAP AN (IMPRIME AU J APON) 11-57 14 The copy has a fixing fault.
CHAPTER 11 TROUBLESHOO TING COPYRIGHT © 1999 CANON INC. CANON PC800s/900s REV .0 AUG. 1999 PRINTED IN JAP AN (IMPRIME AU JAPON) 11-58 19 The copy has horizontal fogging.
CHAPTER 11 TROUBLESHOO TING COPYRIGHT © 1999 CANON INC. CANON PC800s/900s REV .0 AUG. 1999 PRINTED IN JAP AN (IMPRIME AU J APON) 11-59 20 The copy has poor sharpness.
CHAPTER 11 TROUBLESHOO TING COPYRIGHT © 1999 CANON INC. CANON PC800s/900s REV .0 AUG. 1999 PRINTED IN JAP AN (IMPRIME AU JAPON) 11-60 22 The copy is solid black. YES/NO NO YES Cause --------------- Step 1 Checks Does the scanning lamp remain on during copying? Action See “The scanning lamp fails to turn on.
CHAPTER 11 TROUBLESHOO TING COPYRIGHT © 1999 CANON INC. CANON PC800s/900s REV .0 AUG. 1999 PRINTED IN JAP AN (IMPRIME AU J APON) 11-61 IV. TROUBLESHOOTING MALFUNCTIONS A. Troubleshooting Malfunctions 1E 0 YES/NO YES NO Cause ---------------- Step 1 Checks 1) Turn off the power, and short JP101 and JP102 on the DC controller PCB with a screwdriver.
COPYRIGHT © 1999 CANON INC. CANON PC800s/900s REV .0 AUG. 1999 PRINTED IN JAP AN (IMPRIME AU JAPON) 11-62 CHAPTER 11 TROUBLESHOO TING 11-62 2 E000 YES/NO NO NO YES YES NO Cause Thermistor (TH1) Heate.
CHAPTER 11 TROUBLESHOO TING COPYRIGHT © 1999 CANON INC. CANON PC800s/900s REV .0 AUG. 1999 PRINTED IN JAP AN (IMPRIME AU J APON) 11-63 4 E002, E003 YES/NO NO NO YES YES NO Cause Thermistor (TH1) Heat.
COPYRIGHT © 1999 CANON INC. CANON PC800s/900s REV .0 AUG. 1999 PRINTED IN JAP AN (IMPRIME AU JAPON) 11-64 CHAPTER 11 TROUBLESHOO TING 11-64 6 E064 YES/NO YES NO YES YES YES YES NO Cause Wiring High-v.
CHAPTER 11 TROUBLESHOO TING COPYRIGHT © 1999 CANON INC. CANON PC800s/900s REV .0 AUG. 1999 PRINTED IN JAP AN (IMPRIME AU J APON) 11-65 8 E210 YES/NO NO NO YES Cause ---------------- Lens home positio.
COPYRIGHT © 1999 CANON INC. CANON PC800s/900s REV .0 AUG. 1999 PRINTED IN JAP AN (IMPRIME AU JAPON) 11-66 CHAPTER 11 TROUBLESHOO TING 11-66 12 E400 YES/NO YES NO YES NO Cause ---------------- 5V power supply ADF con- troller PCB Step 1 2 3 Checks Turn off and then on the power.
CHAPTER 11 TROUBLESHOO TING COPYRIGHT © 1999 CANON INC. CANON PC800s/900s REV .0 AUG. 1999 PRINTED IN JAP AN (IMPRIME AU J APON) 11-67 14 AC power fails to turn on.
COPYRIGHT © 1999 CANON INC. CANON PC800s/900s REV .0 AUG. 1999 PRINTED IN JAP AN (IMPRIME AU JAPON) 11-68 CHAPTER 11 TROUBLESHOO TING 11-68 15 DC power fails to turn on.
CHAPTER 11 TROUBLESHOO TING COPYRIGHT © 1999 CANON INC. CANON PC800s/900s REV .0 AUG. 1999 PRINTED IN JAP AN (IMPRIME AU J APON) 11-69 16 Pickup fails.
COPYRIGHT © 1999 CANON INC. CANON PC800s/900s REV .0 AUG. 1999 PRINTED IN JAP AN (IMPRIME AU JAPON) 11-70 CHAPTER 11 TROUBLESHOO TING 11-70 17 Pickup fails.
CHAPTER 11 TROUBLESHOO TING COPYRIGHT © 1999 CANON INC. CANON PC800s/900s REV .0 AUG. 1999 PRINTED IN JAP AN (IMPRIME AU J APON) 11-71 19 The scanner fails to move forward.
COPYRIGHT © 1999 CANON INC. CANON PC800s/900s REV .0 AUG. 1999 PRINTED IN JAP AN (IMPRIME AU JAPON) 11-72 CHAPTER 11 TROUBLESHOO TING 11-72 21 The blanking lamp fails to turn on.
CHAPTER 11 TROUBLESHOO TING COPYRIGHT © 1999 CANON INC. CANON PC800s/900s REV .0 AUG. 1999 PRINTED IN JAP AN (IMPRIME AU J APON) 11-73 23 The lens fails to turn on.
COPYRIGHT © 1999 CANON INC. CANON PC800s/900s REV .0 AUG. 1999 PRINTED IN JAP AN (IMPRIME AU JAPON) 11-74 CHAPTER 11 TROUBLESHOO TING 11-74 25 The "Add Paper" message fails to turn off.
CHAPTER 11 TROUBLESHOO TING COPYRIGHT © 1999 CANON INC. CANON PC800s/900s REV .0 AUG. 1999 PRINTED IN JAP AN (IMPRIME AU J APON) 11-75 V. TROUBLESHOOTING FEEDING PROBLEMS A.
CHAPTER 11 TROUBLESHOO TING COPYRIGHT © 1999 CANON INC. CANON PC800s/900s REV .0 AUG. 1999 PRINTED IN JAP AN (IMPRIME AU JAPON) 11-76 1 Pickup Assembly YES/NO NO NO YES YES NO NO NO YES Cause -------.
CHAPTER 11 TROUBLESHOO TING COPYRIGHT © 1999 CANON INC. CANON PC800s/900s REV .0 AUG. 1999 PRINTED IN JAP AN (IMPRIME AU J APON) 11-77 2 Separation/Feeding Assembly YES/NO YES YES YES NO YES NO YES N.
CHAPTER 11 TROUBLESHOO TING COPYRIGHT © 1999 CANON INC. CANON PC800s/900s REV .0 AUG. 1999 PRINTED IN JAP AN (IMPRIME AU JAPON) 11-78 B. Faulty Feeding 1 Double-Feeding YES/NO NO NO YES NO YES Cause .
CHAPTER 11 TROUBLESHOO TING COPYRIGHT © 1999 CANON INC. CANON PC800s/900s REV .0 AUG. 1999 PRINTED IN JAP AN (IMPRIME AU J APON) 11-79 VI . ARRANGEMENT AND FUNCTIONS OF ELECTRICAL PARTS A.
CHAPTER 11 TROUBLESHOO TING COPYRIGHT © 1999 CANON INC. CANON PC800s/900s REV .0 AUG. 1999 PRINTED IN JAP AN (IMPRIME AU JAPON) 11-80 B. Switches Figure 11-602 Description Door switch Power switch De.
CHAPTER 11 TROUBLESHOO TING COPYRIGHT © 1999 CANON INC. CANON PC800s/900s REV .0 AUG. 1999 PRINTED IN JAP AN (IMPRIME AU J APON) 11-81 C. Lamp, Heater, Motor, Etc.
CHAPTER 11 TROUBLESHOO TING COPYRIGHT © 1999 CANON INC. CANON PC800s/900s REV .0 AUG. 1999 PRINTED IN JAP AN (IMPRIME AU JAPON) 11-82 D. PCBs Figure 11-604 [2] [1] [3] [4] [5] [6] [7] [8] [9] Description Removes noise from the power supply. Controls sequence of operations.
CHAPTER 11 TROUBLESHOO TING COPYRIGHT © 1999 CANON INC. CANON PC800s/900s REV .0 AUG. 1999 PRINTED IN JAP AN (IMPRIME AU J APON) 11-83 E. ADF Description Delivery paper detection Registration roller .
CHAPTER 11 TROUBLESHOO TING COPYRIGHT © 1999 CANON INC. CANON PC800s/900s REV .0 AUG. 1999 PRINTED IN JAP AN (IMPRIME AU JAPON) 11-84 F. Variable Resistors (VR) and Check Pins by PCB Of the variable resistors (VR) and check pins, those needed in the field are discussed herein.
CHAPTER 11 TROUBLESHOO TING COPYRIGHT © 1999 CANON INC. CANON PC800s/900s REV .0 AUG. 1999 PRINTED IN JAP AN (IMPRIME AU J APON) 11-85 3. ADF Controller PCB Figure 11-608 1 10 TP1 1 9 J5 1 8 4 J2 1 J.
CHAPTER 11 TROUBLESHOO TING COPYRIGHT © 1999 CANON INC. CANON PC800s/900s REV .0 AUG. 1999 PRINTED IN JAP AN (IMPRIME AU JAPON) 11-86 VII. SELF DIAGNOSIS The microprocessor on the machine’s DC cont.
CHAPTER 11 TROUBLESHOO TING COPYRIGHT © 1999 CANON INC. CANON PC800s/900s REV .0 AUG. 1999 PRINTED IN JAP AN (IMPRIME AU J APON) 11-87 Code Cause Description • The main motor (M1) is fault. • The DC controller PCB is faulty. • The composite power supply PCB is faulty.
CHAPTER 11 TROUBLESHOO TING COPYRIGHT © 1999 CANON INC. CANON PC800s/900s REV .0 AUG. 1999 PRINTED IN JAP AN (IMPRIME AU JAPON) 11-88 Caution: 1. If the self-diagnosis has turned on, turn off the power switch to reset the machine.
COPYRIGHT © 1999 CANON INC. CANON PC800s/900 s R EV . 0 AU G. 1999 PRINTED IN JAP AN (IMPRIME AU J APON) APPENDIX A. GENERAL TIMING CHAR T ........ A-1 B. SIGNALS AND ABBREVIA TIONS ....................... A-3 C . GENERAL CIRCUIT DIA GRAM ...........
.
A-1 COPYRIGHT © 1999 CANON INC. CANON PC800s/900s REV .0 A UG. 1999 PRINTED IN J AP AN (IMPRIME AU J APON) Power switch ON Copy Start key ON Sequence STBY INTR AER SCFW SCRV LSTR STBY 1 2 3 4 5 6 7 8.
A-2 COPYRIGHT © 1999 CANON INC. CANON PC800s/900s REV .0 A UG. 1999 PRINTED IN J AP AN (IMPRIME AU JAPON) Power switch ON Sequence 1 2 3 4 5 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 Pickup .
A-3 COPYRIGHT © 1999 CANON INC. CANON PC800s/900s REV .0 A UG. 1999 PRINTED IN J AP AN (IMPRIME AU J APON) B. SIGNALS AND ABBREVIATIONS 1. Signals ACBIAS AC BIAS OSCILLATION signal [AE] AE SENSOR OUT.
A-4 COPYRIGHT © 1999 CANON INC. CANON PC800s/900s REV .0 A UG. 1999 PRINTED IN J AP AN (IMPRIME AU JAPON).
A-5 COPYRIGHT © 1999 CANON INC. CANON PC800s/900s REV .0 A UG. 1999 PRINTED IN J AP AN (IMPRIME AU J APON) 123456789 1 0 1 1 J109 +24VU +24VU GND +5V +24VU +24VU 1 2 3 4 5 6 123456 J51 1 J52 2 21 J53.
A-6 COPYRIGHT © 1999 CANON INC. CANON PC800s/900s REV .0 A UG. 1999 PRINTED IN J AP AN (IMPRIME AU JAPON) 2. ADF 4321 3 42 1 34 2 34 2 1 1 2 4 15 GND BL L +5V BR +24V GND D OR GN J24 J202 T o composi.
A-7 COPYRIGHT © 1999 CANON INC. CANON PC800s/900s REV .0 A UG. 1999 PRINTED IN J AP AN (IMPRIME AU J APON) 100 99 98 97 96 95 94 93 92 91 90 89 88 87 86 85 84 83 82 81 80 79 78 77 76 PA7 PA6 PA5 PA4 .
A-8 COPYRIGHT © 1999 CANON INC. CANON PC800s/900s REV .0 A UG. 1999 PRINTED IN J AP AN (IMPRIME AU JAPON) DC Controller Circuit DIagram (2/8) Q165 SC_I_SEL3 +5V R277 SC_I_SEL1 R117 Q112 SC_I_SEL2 SC_.
A-9 COPYRIGHT © 1999 CANON INC. CANON PC800s/900s REV .0 A UG. 1999 PRINTED IN J AP AN (IMPRIME AU J APON) DC Controller Circuit Diagram (3/8) R119 R118 VR102 2 3 1 +5V C184 Q106 +24VR - + 2 3 1 8 4 .
A-10 COPYRIGHT © 1999 CANON INC. CANON PC800s/900s REV .0 A UG. 1999 PRINTED IN J AP AN (IMPRIME AU JAPON) DC Controller Circuit Diagram (4/8) D106 CDP 5 12 D108 DPD 3 12 D109 SFPD 7 12 D218 SERVICE 2 12 D113 HEAT1 3 12 D102 HEAT0 2 8 7 7 KR7 8 KEY<7.
A-11 COPYRIGHT © 1999 CANON INC. CANON PC800s/900s REV .0 A UG. 1999 PRINTED IN J AP AN (IMPRIME AU J APON) DC Controller Circuit Diagram (5/8) 1 2 R145 + Q131 3 2 1 R158 R149 R140 R139 E0_DT R148 Q1.
A-12 COPYRIGHT © 1999 CANON INC. CANON PC800s/900s REV .0 A UG. 1999 PRINTED IN J AP AN (IMPRIME AU JAPON) DC Controller Circuit Diagram (6/8) LNSLD Q145 3 2 1 LNSLD* D211 21 D125 21 D126 21 D127 21 .
A-13 COPYRIGHT © 1999 CANON INC. CANON PC800s/900s REV .0 A UG. 1999 PRINTED IN J AP AN (IMPRIME AU J APON) DC Controller Circuit Diagram (7/8) D184 D185 POWER_OFF* HEAT_ERR* COMP_CLR R189 R188 Q146 .
A-14 COPYRIGHT © 1999 CANON INC. CANON PC800s/900s REV .0 A UG. 1999 PRINTED IN J AP AN (IMPRIME AU JAPON) DC Controller Circuit Diagram (8/8) R385 R200 +5V +5V J101 1 R363 +5V +24VU +5V R365 J101 3 .
A-15 COPYRIGHT © 1999 CANON INC. CANON PC800s/900s REV .0 A UG. 1999 PRINTED IN J AP AN (IMPRIME AU J APON) E. ADF CONTROLLER CIRCUIT DIAGRAM ADF Controller Circuit Diagram (1/3) XT AL 1 64 RES* 63 P.
A-16 COPYRIGHT © 1999 CANON INC. CANON PC800s/900s REV .0 A UG. 1999 PRINTED IN J AP AN (IMPRIME AU JAPON) ADF Controller Circuit Diagram (2/3) 2 TdA GND 4 INA 6 OUT A 8 VSA 7 5 INA* 3 V refA 1 OUT A.
A-17 COPYRIGHT © 1999 CANON INC. CANON PC800s/900s REV .0 A UG. 1999 PRINTED IN J AP AN (IMPRIME AU J APON) ADF Controller Circuit Diagram (3/3) Q10 TXD 1 J5 R43 R28 DIGIT0 R27 R26 R25 +5V DIGIT1 DIG.
A-18 COPYRIGHT © 1999 CANON INC. CANON PC800s/900s REV .0 A UG. 1999 PRINTED IN J AP AN (IMPRIME AU JAPON).
A-19 COPYRIGHT © 1999 CANON INC. CANON PC800s/900s REV .0 A UG. 1999 PRINTED IN J AP AN (IMPRIME AU J APON) F. COMPOSITE POWER SUPPLY CIRCUIT DIAGRAM Composite Power Supply Circuit Diagram [A502] (1/.
A-20 COPYRIGHT © 1999 CANON INC. CANON PC800s/900s REV .0 A UG. 1999 PRINTED IN J AP AN (IMPRIME AU JAPON) Composite Power Supply Circuit Diagram [A503] (2/8) AC_N_AF AC_H_AF AC_HA R116 TH101 TH102 F.
A-21 COPYRIGHT © 1999 CANON INC. CANON PC800s/900s REV .0 A UG. 1999 PRINTED IN J AP AN (IMPRIME AU J APON) Composite Power Supply Circuit Diagram [A504] (3/8) MPWM_INV <A508> R136 R155 C122 D1.
A-22 COPYRIGHT © 1999 CANON INC. CANON PC800s/900s REV .0 A UG. 1999 PRINTED IN J AP AN (IMPRIME AU JAPON) Composite Power Supply Circuit Diagram [A505] (4/8) 3 4 4 1 1 2 2 5 3 10 9 C512 R514 R212 P .
A-23 COPYRIGHT © 1999 CANON INC. CANON PC800s/900s REV .0 A UG. 1999 PRINTED IN J AP AN (IMPRIME AU J APON) Composite Power Supply Circuit Diagram [A506] (5/8) JP201 R210 <A503> <A503> C2.
A-24 COPYRIGHT © 1999 CANON INC. CANON PC800s/900s REV .0 A UG. 1999 PRINTED IN J AP AN (IMPRIME AU JAPON) Composite Power Supply Circuit Diagram [A507] (6/8) JP301 C346 C345 +5V R351 R356 Q321 D325 .
A-25 COPYRIGHT © 1999 CANON INC. CANON PC800s/900s REV .0 A UG. 1999 PRINTED IN J AP AN (IMPRIME AU J APON) Composite Power Supply Circuit Diagram [A508] (7/8) <A504> <A507> <A506> .
A-26 COPYRIGHT © 1999 CANON INC. CANON PC800s/900s REV .0 A UG. 1999 PRINTED IN J AP AN (IMPRIME AU JAPON) Composite Power Supply Circuit Diagram [A509] (8/8) R028 R020 R021 R013 R012 R027 R006 R008 .
A-27 COPYRIGHT © 1999 CANON INC. CANON PC800s/900s REV .0 A UG. 1999 PRINTED IN J AP AN (IMPRIME AU J APON) G. CONTROL PANEL CIRCUIT DIAGRAM J301 13 KR0 J301 14 KR1 J301 1 DIG0 J301 2 DIG1 J301 3 DIG.
.
COPYRIGHT © 1999 CANON INC. CANON PC800s/900s REV .0 AUG. 1999 PRINTED IN JAP AN (IMPRIME AU J APON) A-29 APPENDIX H. AE SENSOR CIRCUIT DIAGRAM +24VR R603 R605 R601 C601 Q601 PD601 C603 R606 R602 J60.
COPYRIGHT © 1999 CANON INC. CANON PC800s/900s REV .0 AUG. 1999 PRINTED IN JAP AN (IMPRIME AU JAPON) A-30 APPENDIX I. SENSOR CIRCUIT DIAGRAM +5V J751-2 RPD J751-3 R751 GND J751-1 Q751.
COPYRIGHT © 1999 CANON INC. CANON PC800s/900s REV .0 AUG. 1999 PRINTED IN JAP AN (IMPRIME AU J APON) A-31 APPENDIX J. NOISE FILTER CIRCUIT DIAGRAM AC_H FU501 L501 J501-1 FG AC_N J501-2 JP502 JP501 C5.
COPYRIGHT © 1999 CANON INC. CANON PC800s/900s REV .0 AUG. 1999 PRINTED IN JAP AN (IMPRIME AU JAPON) A-32 APPENDIX K. HIGH VOLTAGE CONTACT CIRCUIT DIAGRAM JP701 2 1 JP702 2 1 PR BP701 R704 JP703 2 1 J.
COPYRIGHT © 1999 CANON INC. CANON PC800s/900s REV .0 AUG. 1999 PRINTED IN JAP AN (IMPRIME AU J APON) A-33 APPENDIX L. BLANK EXPOSURE (front) CIRCUIT DIAGRAM LA601 J601 J601 2 1.
COPYRIGHT © 1999 CANON INC. CANON PC800s/900s REV .0 AUG. 1999 PRINTED IN JAP AN (IMPRIME AU JAPON) A-34 APPENDIX M. BLANK EXPOSURE (rear) CIRCUIT DIAGRAM LA602 J602 J602 2 1.
COPYRIGHT © 1999 CANON INC. CANON PC800s/900s REV .0 AUG. 1999 PRINTED IN JAP AN (IMPRIME AU J APON) A-35 APPENDIX N. SPECIAL TOOLS You will need the following special tool(s) in addition to the standard tools set when servicing the machine.
COPYRIGHT © 1999 CANON INC. CANON PC800s/900s REV .0 AUG. 1999 PRINTED IN JAP AN (IMPRIME AU JAPON) A-36 APPENDIX O. SOLVENTS/OILS No. 1 2 3 4 Remarks • Do not bring near fire. • Procure locally. • Isopropyl alcohol may be substituted. • Do not bring near fire.
COPYRIGHT © 1999 CANON INC. CANON PC800s/900s REV .0 A UG. 1999 PRINTED IN J AP AN (IMPRIME AU J APON) Prepared b y Office Imaging Pr oducts T echnical Support Division CANON INC.
0899AB2.135-1 PRINTED IN JAP AN (IMPRIME AU JAPON) This pubication is printed on 70% reprocessed paper..
An important point after buying a device Canon PC981 (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
If you have not bought Canon PC981 yet, this is a good time to familiarize yourself with the basic data on the product. First of all view first pages of the manual, you can find above. You should find there the most important technical data Canon PC981 - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, Canon PC981 you will learn all the available features of the product, as well as information on its operation. The information that you get Canon PC981 will certainly help you make a decision on the purchase.
If you already are a holder of Canon PC981, but have not read the manual yet, you should do it for the reasons described above. You will learn then if you properly used the available features, and whether you have not made any mistakes, which can shorten the lifetime Canon PC981.
However, one of the most important roles played by the user manual is to help in solving problems with Canon PC981. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Canon PC981 along with tips on how to solve them. Even if you fail to solve the problem, the manual will show you a further procedure – contact to the customer service center or the nearest service center
