Instruction/ maintenance manual of the product 8000 DN HP (Hewlett-Packard)
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English HP LaserJet 8000, 8000 N, 8000 DN and HP Laser Jet Mopi er 240 Pri nters Service Manual For the complete PDF manual please visit www.LaserPros.
Ser vice Manual HP LaserJet 8000 (C4085A) HP LaserJet 8000 N (C4086A) HP LaserJet 8000 DN (C4087A) HP LaserJet Mopier 240 (C4228A).
Hewlett-P ackard Compan y 11311 Chinden Boule vard Boise, Idah o 83714 U .S .A. © Copyright Hewlett-P ackard Compan y 1998 All Rights Reserved. Reproduction, adaptation, or translation without prior wr itten permission is prohibited, except as allowed under the cop yright laws .
C4085-91087 iii Con ventions This manual uses the f ollowing conv entions: The names of major printer par ts and assemb lies are Capitalized. Color is used to emphasize items which are impor tant to the material under discussion. Bold is used f or emphasis, par ticular ly in situations where italic type would be confusing.
iv C4085-91087 Chapter Descriptions 1 Pr oduct Information Contains printer features and product o ver view , tray capacities and sizes , media specifications, ser vice approach, how to get technical assistance, and required saf ety and compliance statements.
C4085-91087 v 8 P ar ts and Diagrams Contains e xploded view dra wings and par t number listings for all replaceable parts in the pr inter and paper-handling accessories. Contains two replaceab le par ts tab les: one sor ted alphabetically by par t name, and one sor ted numerically by par t number .
vi C4085-91087.
C4085-91087 vii T able of Contents 1 Product Information Printer Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2 Paper Capacities and Sizes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4 Identification .
viii C4085-91087 Material Safety Data Sheet . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .38 Environmental Conformity . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .39 Declaration of Conformity . . . . . . . . . . . . . . . .
C4085-91087 Table of Contents ix 4 Maintenance and Adjustments Cleaning the Printer and Accessories . . . . . . . . . . . . . . . . . . . . . .82 Cleaning Spilled Toner . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .84 Preventative Maintenance .
x C4085-91087 Main Functional Cycles of the Stapler (Internal Paper Path) . . . . . . . . . . . . . . . . . . . . . . . . . . .141 Communication Link (Daisy Chain). . . . . . . . . . . . . . . . . . . .142 Paper Jam Detection . . . . . . . . . . . . .
C4085-91087 Table of Contents xi 2000-sheet Input Tray Removal and Replacement . . . . . . . . . . .231 Orientation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .232 Front Cover . . . . . . . . . . . . . . . . . . . . . . .
xii C4085-91087 Controller PCA . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .304 Power Supply . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .305 Right Door Assembly (Paper Path Cover) . . . . . . . . . . .
C4085-91087 Table of Contents xiii 7 Troubleshooting Troubleshooting Process . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .376 Printer and Paper-Handling Troubleshooting Process . . . . .378 Troubleshooting the Printing System . . . . .
xiv C4085-91087 Printer Parts and Diagrams . . . . . . . . . . . . . . . . . . . . . . . . . . . . .512 Paper-Handling Devices Parts and Diagrams . . . . . . . . . . . . . . .524 Input Devices . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
An important point after buying a device HP (Hewlett-Packard) 8000 DN (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
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If you already are a holder of HP (Hewlett-Packard) 8000 DN, 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 HP (Hewlett-Packard) 8000 DN.
However, one of the most important roles played by the user manual is to help in solving problems with HP (Hewlett-Packard) 8000 DN. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device HP (Hewlett-Packard) 8000 DN 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