Restoring the Service ID....................................................................................................237 Troubleshooting diagrams.................................................................................................238 Connector locations..........................................................................................238 Major assemblies..............................................................................................240 DC controller connectors...................................................................................245 Timing diagram.................................................................................................246 Circuit diagrams................................................................................................248 7 Parts and diagrams Ordering parts and supplies...............................................................................................................252 Parts..................................................................................................................................252 How to use the parts lists and diagrams............................................................................252 Types of screws.................................................................................................................252 Related documentation and software................................................................................253 Accessories and supplies..................................................................................................253 External panels and covers................................................................................................................258 Internal components...........................................................................................................................266 Paper-pickup drive assembly.............................................................................................................276 Duplexing-feed drive assembly (duplex models)................................................................................278 Duplexing reverse-drive assembly (duplex models)...........................................................................280 Developing separation-drive assembly..............................................................................................282 Fuser drive assembly.........................................................................................................................284 Cassette (tray 2).................................................................................................................................286 Paper-pickup assembly (HP CLJ 3600/3800)....................................................................................288 Paper-pickup assembly (HP CLJ 3000).............................................................................................290 Electronic transfer belt (simplex models)...........................................................................................292 Electronic transfer belt (duplex models).............................................................................................294 Multipurpose tray assembly (tray 1)...................................................................................................296 Duplex-paper feed assembly (duplex models)...................................................................................298 Fuser..................................................................................................................................................300 PCAs .................................................................................................................................................302 500-sheet feeder cassette (tray 3).....................................................................................................304 500-sheet feeder paper-pickup assembly..........................................................................................306 500-sheet feeder PCA........................................................................................................................308 Alphabetical parts list.........................................................................................................................310 Numerical parts list.............................................................................................................................319 Appendix A Printer specifications Electrical specifications......................................................................................................................330 Power-consumption specifications.....................................................................................................331 Acoustic specifications.......................................................................................................................332 Operating-environment specifications................................................................................................333 Appendix B Product warranty statements Hewlett-Packard Limited Warranty Statement...................................................................................336 Availability of support and service......................................................................................................337 HP maintenance agreements.............................................................................................................337 Next-Day Onsite Service...................................................................................................337 viii ENWW