Tools for troubleshooting ......................................................................................................... 86
Component diagnostics ............................................................................................ 86
LED diagnostics ........................................................................................ 86
Network LEDs ........................................................................... 86
Control panel LEDs .................................................................... 86
Engine diagnostics ................................................................................... 87
Engine test ................................................................................ 87
Diagrams ............................................................................................................... 88
Block diagrams ........................................................................................ 88
Plug/jack locations ................................................................................... 90
Location of connectors .............................................................................. 91
DC controller PCA ..................................................................... 91
Locations of major components .................................................................. 93
Base product ............................................................................ 93
1 x 500 paper feeder ................................................................ 99
General timing chart ............................................................................... 100
General circuit diagrams ......................................................................... 101
Use HP Device Toolbox (Windows) ......................................................................... 103
Internal print-quality test pages ................................................................................ 104
Clean the paper path ............................................................................. 104
Print the configuration page ..................................................................... 104
Print-quality troubleshooting tools ............................................................................ 104
Repetitive image defect ruler .................................................................... 104
Control panel menus .............................................................................................. 106
Setup Menu ........................................................................................... 106
HP Web Services .................................................................... 106
Reports menu .......................................................................... 107
Self Diagnostics menu .............................................................. 108
Fax Setup menu ...................................................................... 108
System Setup menu .................................................................. 111
Service menu .......................................................................... 115
Network Setup menu ............................................................... 117
Quick Forms menu .................................................................. 118
Function specific menus ........................................................................... 119
USB Flash Drive ...................................................................... 119
Fax Menu ............................................................................... 119
Copy Menu ............................................................................ 122
Scan Menu ............................................................................. 123
Apps ..................................................................................... 123
Interpret control-panel messages ............................................................................. 124
Control panel message types ................................................................... 124
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