Image problems..................................................................................................................280
Media-handling problems...................................................................................................282
Performance problems.......................................................................................................283
Fax problems.......................................................................................................................................285
Problems receiving faxes....................................................................................................285
Problems sending faxes.....................................................................................................287
Voice call problems.............................................................................................................288
Media-handling problems...................................................................................................289
Performance problems.......................................................................................................289
Memory card problems........................................................................................................................291
Missing or wrong files.........................................................................................................291
Index page not printing.......................................................................................................291
Proof sheet not printing.......................................................................................................292
Proof sheet not scanning....................................................................................................292
Issues with photo printing...................................................................................................293
Functional tests....................................................................................................................................295
Engine test..........................................................................................................................295
Half self-test check..............................................................................................................296
Heating element test...........................................................................................................296
Cartridge high-voltage contact test.....................................................................................299
Paper-path test...................................................................................................................299
Service-mode functions.......................................................................................................................301
NVRAM initialization...........................................................................................................301
Secondary service menu....................................................................................................301
To print secondary service reports.....................................................................303
Troubleshooting tools..........................................................................................................................306
Device pages and reports...................................................................................................306
Demo page.........................................................................................................306
Configuration page.............................................................................................306
Supplies Status page.........................................................................................306
Usage page........................................................................................................306
Engine-test page................................................................................................307
Error log..............................................................................................................307
Fax reports..........................................................................................................................307
Fax activity log...................................................................................................307
Fax call report....................................................................................................307
T.30 protocol trace.............................................................................................308
HP Toolbox.........................................................................................................................317
To view HP Toolbox...........................................................................................317
Troubleshooting tab...........................................................................................317
Service menu......................................................................................................................318
Restoring the factory-set defaults......................................................................318
Cleaning the paper path.....................................................................................318
Setting the scanner bulb power save time.........................................................319
Reducing paper curl...........................................................................................319
Service-only tools................................................................................................................320
Timing charts......................................................................................................320
Locations of connectors.....................................................................................322
DC controller connections..................................................................................325
Printer calibration...............................................................................................326
ENWW ix
