Page 2 - Service Manual
Service Manual HP LaserJet 8000 (C4085A)HP LaserJet 8000 N (C4086A)HP LaserJet 8000 DN (C4087A)HP LaserJet Mopier 240 (C4228A)
Page 4 - iii; Conventions; Color; Bold
C4085-91087 iii Conventions This manual uses the following conventions: The names of major printer parts and assemblies are Capitalized. Color is used to emphasize items which are important to the material under discussion. Bold is used for emphasis, particularly in situations where italic type woul...
Page 5 - iv; Chapter Descriptions; Contains space and environmental requirements.
iv C4085-91087 Chapter Descriptions 1 Product Information Contains printer features and product overview, tray capacities and sizes, media specifications, service approach, how to get technical assistance, and required safety and compliance statements. 2 Site Requirements Contains space and environm...
Page 8 - vii; Table of Contents; Product Information; HP FIRST (Fax Information Retrieval Support
C4085-91087 vii Table of Contents 1 Product Information Printer Features. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2Paper Capacities and Sizes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4Identification . . . . . . . . . . . . . . . . . . . . . . . ...
Page 9 - viii; Site Requirements
viii C4085-91087 Material Safety Data Sheet . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .38Environmental Conformity . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .39Declaration of Conformity . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .40Safety Statements ...
Page 10 - ix; Maintenance and Adjustments
C4085-91087 Table of Contents ix 4 Maintenance and Adjustments Cleaning the Printer and Accessories . . . . . . . . . . . . . . . . . . . . . .82 Cleaning Spilled Toner . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .84 Preventative Maintenance . . . . . . . . . . . . . . . . . . . . . . ...
Page 11 - Main Functional Cycles of the Stapler; Removal and Replacement
x C4085-91087 Main Functional Cycles of the Stapler (Internal Paper Path) . . . . . . . . . . . . . . . . . . . . . . . . . . .141 Communication Link (Daisy Chain). . . . . . . . . . . . . . . . . . . .142 Paper Jam Detection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .144Prin...
Page 12 - xi
C4085-91087 Table of Contents xi 2000-sheet Input Tray Removal and Replacement . . . . . . . . . . .231 Orientation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .232Front Cover . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .233Back Cover . . ....
Page 13 - xii
xii C4085-91087 Controller PCA . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .304Power Supply . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .305Right Door Assembly (Paper Path Cover) . . . . . . . . . . . . . .306Face-down Bins . . . . . . . . . . . . . ...
Page 14 - xiii; Troubleshooting
C4085-91087 Table of Contents xiii 7 Troubleshooting Troubleshooting Process. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .376 Printer and Paper-Handling Troubleshooting Process . . . . .378 Troubleshooting the Printing System . . . . . . . . . . . . . . . . . . . . .380 Preliminary Op...
Page 15 - xiv; Index
xiv C4085-91087 Printer Parts and Diagrams . . . . . . . . . . . . . . . . . . . . . . . . . . . . .512Paper-Handling Devices Parts and Diagrams . . . . . . . . . . . . . . .524 Input Devices . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .524Output Devices . . . . . . . . . ....
