Instruction/ maintenance manual of the product B-852-R Toshiba
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PRINTED IN JAPAN TOSHIBA Thermal Printer B-852-R SERIES Document No. EO18-33018 Original Mar., 2006 (Revised ) Maintenance Manual.
EO18-33018 TABLE OF CONTENTS Page 1. UNPACKI NG -------------------------------------------------------------------------------------------- 1- 1 1.1 PROCEDURES --------------------------------------------------------------------------------------------- 1- 1 1.
1. UNPACKING EO18-33018 (Revision Date: Sep. 28, 2007 1.1 Procedure 1- 1 1. UNPACKING 1.1 Procedure 1) Open the carton. 2) Unpack the accessories from the carton.
1. UNPACKING EO18-33018 (Revision Date: Sep. 28, 2007) 1.2 Checks 1- 2 4) Remove the five pieces of tape from the printer. 5) Open the top cover. 6) Remove the one piece of tape. 7) Press down the head block release lever (1) and raise the print head block (2).
2. MAJOR UNIT REPLACEMENT EO18-33018 2.1 OPENING AND REMOVING THE COVERS 2-1 2. MAJOR UNIT REPLACEMENT 2.1 OPENING AND REMOVING THE COVERS 1) Turn the power off.
2. MAJOR UNIT REPLACEMENT EO18-33018 2.1 OPENING AND REMOVING THE COVERS 2-2 NOTE: After removing the screws, unhook th e side cover L from portion B by lif ting and moving it toward the front of the printer . 5) Disconnect the operation panel harness from CN13 on the MAIN PC Board.
2. MAJOR UNIT REPLACEMENT EO18-33018 2.3 Replacing the MAIN PC Board 2-3 2.3 Replacing the MAIN PC Board 1) Prior to replacing the MAIN PC board, print out the parameter settings for future reference. 2) Remove the side cover L from the printer. (Refer to Section 2.
2. MAJOR UNIT REPLACEMENT EO18-33018 2.3 Replacing the MAIN PC Board 2-4 4) Remove the two SMW-4x8 screws, SMW-3x6 screw and B-3x6 screw . 5) Disconnect the power harness from CN8 on the MAIN PC board ass’y , then remove the MAIN PC board ass’y from the printer .
2. MAJOR UNIT REPLACEMENT EO18-33018 2.3 Replacing the MAIN PC Board 2-5 6) Remove the two B-3x6 screws and the two SMW-3x6 screws, then remove the MAIN PC board from the MAIN PCB support frame. 7) Replace the MAIN PC board with a new one, and reassemble in the reverse order of removal.
2. MAJOR UNIT REPLACEMENT EO18-33018 2.4 Replacing the Panel PC Board 2-6 2.4 Replacing the Panel PC Board 1) Remove the side cover L from the printer. (Refer to Section 2.1.) 2) Remove the PT-3x8 screw to detach the operation panel ass’y from the side cover L in the direction indicated by the arrow.
2. MAJOR UNIT REPLACEMENT EO18-33018 2.4 Replacing the Panel PC Board 2-7 5) Remove the two PT -3x6 screws and W-4 washers to det ach the panel PC board from the operation panel cover . 6) Replace the panel PC board with a new one, then reassemble in the order removal.
2. MAJOR UNIT REPLACEMENT EO18-33018 2.5 Replacing the S tepping Motor 2-8 2.5 Replacing the S tepping Motor 1) Remove the side cover L and MAIN PC board ass’y from the printer . (Refer to Sections 2.1 and 2.3.) 2) Remove the two SMW-3x6 screws to det ach the PCB support plate from the printer .
2. MAJOR UNIT REPLACEMENT EO18-33018 2.5 Replacing the S tepping Motor 2-9 NOTE: Apply FLOIL to the stepping m otor ’s pulley and the m otor gear when reassembling the stepping motor .
2. MAJOR UNIT REPLACEMENT EO18-33018 2.6 Replacing the Head Up Sensor , Slit Sens or (Rewind/Feed) and Ribbon Motor (Rewind/Feed) 2-10 2.6 Replacing the Head Up Sensor , Slit Sensor (Rewind/Feed) and Ribbon Motor (Rewind/Feed) Prior to replacing the sensors or ribbon motor , perform the following operations.
2. MAJOR UNIT REPLACEMENT EO18-33018 2.6 Replacing the Head Up Sensor , Slit Sens or (Rewind/Feed) and Ribbon Motor (Rewind/Feed) 2-1 1 3) Replace the head up sensor with a new one, then reassemble in the reverse order of removal. 4) Perform a test print to print to confirm that the printer works properly .
2. MAJOR UNIT REPLACEMENT EO18-33018 2.6 Replacing the Head Up Sensor , Slit Sens or (Rewind/Feed) and Ribbon Motor (Rewind/Feed) 2-12 5) Push and release the hook A, then release the hook B to remove the slit sensor from the sensor holder . 6) Replace the slit sensor with a new one, then reassemble in the reverse order of removal.
2. MAJOR UNIT REPLACEMENT EO18-33018 2.6 Replacing the Head Up Sensor , Slit Sens or (Rewind/Feed) and Ribbon Motor (Rewind/Feed) 2-13 NOTES: 1. Af ter replacing the ribbon motor , refer to Section System Mode Manual to perform a Maintenance Counter clear .
2. MAJOR UNIT REPLACEMENT EO18-33018 2.7 Replacing the Platen 2-14 Print Head Head Block Release Lever 2.7 Replacing the Platen 1) Prior to replacing the platen, print out the maintenance counter for future reference. 2) Open the top cover , and raise the print head block by pressing down the head block release lever .
2. MAJOR UNIT REPLACEMENT EO18-33018 2.7 Replacing the Platen 2-15 6) Replace the platen with a new one, then reassemble in the reverse order of removal. NOTE: When reassem bling, confirm the orient ation of the shaft holder . (See the picture below .
2. MAJOR UNIT REPLACEMENT EO18-33018 2.8 REPLACING THE MEDIA SENSOR 2-16 2.8 REPLACING THE MEDIA SENSOR 2.8.1 Feed Gap Sensor (TR) and Black Mark Sensor (Upper Side) 1) Open the top cover and raise the print head block. 2) Pull up the two tabs of the sensor case cap to remove it from the sensor block.
2. MAJOR UNIT REPLACEMENT EO18-33018 2.8 REPLACING THE MEDIA SENSOR 2-17 2.8.2 Feed Gap Sensor (LED) and Black Mark Sensor (Lower Side) 1) Remove the platen holder R, platen holder L, platen, and strip plate from the printer 2) Remove the SMW-4x8 screw to det ach the front cover from the printer .
2. MAJOR UNIT REPLACEMENT EO18-33018 2.8 REPLACING THE MEDIA SENSOR 2-18 NOTES: 1. When reassembling the sensor case cap, fit the hooks of the sensor case into portion A of the sensor case cap. 2. When reassembling the sensors, align the pins on the sensor case with the holes of the sensors.
2. MAJOR UNIT REPLACEMENT EO18-33018 2.9 REPLACING THE PRINT HEAD 2-19 2.9 REPLACING THE PRINT HEAD 1) Open the top cover and raise the print head block. 2) Push the print head ass’y to the right side, lift it in the direction of the arrow, and release it from the print head fixing pin.
2. MAJOR UNIT REPLACEMENT EO18-33018 (Revision Date: May 21, 2007) 2.10 Replacing the PS Unit and Reactor 2-20 2.10 Replacing the PS Unit and Reactor NOTE: The reactor is installed in the B-852-TS22-QP-R and B-852-TS22-CN models. 1) Remove the side covers L, side cover R and MAIN PC Board from the printer.
2. MAJOR UNIT REPLACEMENT EO18-33018 (Revision Date: May 21, 2007) 2.10 Replacing the PS Unit and Reactor 2-21 5) Disconnect the PSU harness from CN4 on the PS unit. 6) Disconnect the harnesses from CN1 on the PS unit. For the QP and CN models, disconnect the harness from CN2, too.
2. MAJOR UNIT REPLACEMENT EO18-33018 2.10 Replacing the PS Unit and Reactor 2-22 9) Replace the PS unit or reactor with a new one, then reassemble in the reverse order of removal. WARNING! Pass the reactor harness and inlet harness through the cut in the PS unit frame.
3. PERIODIC MAINTENANCE PROCE DURE EO18-33018 3. PERIODIC MAINTENANCE PROCEDURE 3-1 3. PERIODIC MAINTENANCE PROCEDURE All machines are generally delivered in their best condition. To maintain optimal operating condition and help gain maximum performance and life of machines, we would recommend you to conduct periodic maintenance.
3. PERIODIC M AINTENANCE PROCEDURE EO18-33018 3. PERI ODIC MAI NTENANCE PROCEDURE 3-2 3) Clean the print head elements with the T O SHI BA T EC-approved print head cleaner . (Please instruct your cust om er s to clean them daily .) 4) Remov e any paper dust and glue of t he label.
3. PERIODIC M AINTENANCE PROCEDURE EO18-33018 3. PERI ODIC MAI NTENANCE PROCEDURE 3-3 5. Apply FLOIL G-488 to t he cut ter unit using a soft cloth. 6. Clean the Cutter Blade with a cotton swab moistened with absolute ethyl alcohol. 7. Confir m t hat the problem occur s as r epor t ed, and then tak e corrective action.
3. PERIODIC MAINTENANCE PROCE DURE EO18-33018 3. PERIODIC MAINTENANCE PROCEDURE 3-4 1 1. Clean the outside of the printer . 12. Fill out a report form.
4. TROUBLESHOOTING EO18-33018 4. TROUBLESHOOTING 4- 1 4. TROUBLESHOOTING Problems Cause Solution Power does not turn ON. 1. Input voltage to the printer is not within the rated voltage. 2. Output voltage from the printer is not within the rated voltage.
4. TROUBLESHOOTING EO18-33018 4. TROUBLESHOOTING 4- 2 Problems Cause Solution Media feed failure 1. Media is not set properly. 2. Poor media quality 3. Improper adjustment of the feed gap sensor or black mark sensor. 4. Threshold is improper. 5. Failure of the feed gap sensor or black mark sensor 6.
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