HP (Hewlett-Packard) LJ 4000T Printer User Manual


 
EN Contents 3
Contents
1 Control-panel messages. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
Error listings, descriptions, and recommended actions
2 Service mode. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 85
How to gain access to service mode and related functions
3 Power supply. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 129
DC voltages, test points, and tools
4 Input/output (I/O). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 141
Printer interface and cabling information
5 Media specifications. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 149
Supported sizes and specifications for paper and special media
6 Toner cartridge information . . . . . . . . . . . . . . . . . . . . . . . . . . 165
Cartridge weights and capacities, and potential service issues
7 Printer options and replaceable parts. . . . . . . . . . . . . . . . . . 175
Support matrix and part numbers for accessories
8 Printer parts. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 185
Selected high-usage replacement parts
9 Image quality. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 235
Image defect samples, suspect causes, and remedies
10 Diagrams . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 271
Main wiring schematics and paper paths
11 Services and support: resources and training. . . . . . . . . . . 287
How and where to get training, support, and materials
A Acronyms and abbreviations . . . . . . . . . . . . . . . . . . . . . . . . . 291
Index. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 295