Power subsystem ..................................................................................................... 81
Power-on checks ...................................................................................... 81
Tools for troubleshooting ......................................................................................................... 82
Component diagnostics ............................................................................................ 82
Component tests ....................................................................................... 82
Control-panel tests ..................................................................... 82
Diagrams ............................................................................................................... 83
Locations of connectors ............................................................................. 83
Locations of major components .................................................................. 84
General timing chart ................................................................................. 86
General circuit diagram ............................................................................ 87
Internal print-quality test pages .................................................................................. 88
Print a Diagnostics Page ........................................................................... 88
Interpret the Print Quality Page ................................................................... 89
Print-quality troubleshooting tools .............................................................................. 90
Repetitive image defects ruler .................................................................... 90
Calibrate the product ................................................................................ 90
Control panel menus ................................................................................................ 91
Setup menu ............................................................................................. 91
Reports menu ............................................................................ 91
System Setup menu .................................................................... 91
Service menu ............................................................................ 94
Network Setup menu (network models only) ................................. 94
Function specific menus ............................................................................. 95
Copy Menu .............................................................................. 95
Service mode functions ........................................................................................................... 97
Service menu/Secondary service menu ...................................................................... 97
Service menu ........................................................................................... 97
Secondary service menu ........................................................................... 97
Open the secondary service menu ............................................... 97
Secondary service menu structure ................................................ 98
Product resets ......................................................................................................... 99
Restore factory settings .............................................................................. 99
NVRAM initialization ................................................................................ 99
Product updates ..................................................................................................................... 99
3 Parts and diagrams ...................................................................................................... 101
Order parts by authorized service providers ............................................................................ 102
Order replacement parts ........................................................................................ 102
Related documentation and software ....................................................................... 102
Supplies part numbers ........................................................................................... 102
ENWW vii
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