2 Solve problems ............................................................................................................... 21
Solve problems checklist ......................................................................................................... 22
Menu map ............................................................................................................................ 24
Print a menu map (LCD control panel) ........................................................................ 24
Print a menu map (touchscreen control panel) ............................................................. 24
Troubleshooting process .......................................................................................................... 25
Pre-troubleshooting checklist ..................................................................................... 25
Power-on checks ..................................................................................................... 27
Tools for troubleshooting ......................................................................................................... 28
Component diagnostics ............................................................................................ 28
LED diagnostics ........................................................................................ 28
Network LEDs ........................................................................... 28
Control panel LEDs .................................................................... 29
Control-panel diagnostics .......................................................................... 30
Engine diagnostics ................................................................................... 30
Engine test ................................................................................ 30
Diagrams ............................................................................................................... 31
Plug/jack locations ................................................................................... 31
DC controller PCA .................................................................................... 32
Locations of major components .................................................................. 34
General timing chart ................................................................................. 36
General circuit diagram ............................................................................ 37
Internal print-quality test pages .................................................................................. 38
Interpret the Print Quality Page ................................................................... 38
Print a cleaning page ............................................................................... 38
Print a cleaning page (LCD control panel) .................................... 39
Print a cleaning page (touchscreen control panel) .......................... 39
Configuration page .................................................................................. 39
Print a configuration page (LCD control panel) .............................. 39
Print a configuration page (touchscreen control panel) ................... 40
Print-quality troubleshooting tools .............................................................................. 41
Repetitive image defects ............................................................................ 41
Calibrate the product to align the colors ...................................................... 41
Control-panel menus ................................................................................................ 42
Setup Menu ............................................................................................. 42
HP Web Services ...................................................................... 42
Reports menu ............................................................................ 43
Self Diagnostics menu ................................................................ 44
System Setup menu .................................................................... 45
Service menu ............................................................................ 48
Network Setup menu ................................................................. 50
vi ENWW