Image problems ............................................................................................................... 127
Media-handling problems ................................................................................................ 128
Performance problems .................................................................................................... 130
Functional checks ............................................................................................................................. 131
Engine test page .............................................................................................................. 131
Drum rotation test ............................................................................................................ 131
Half self-test functional check .......................................................................................... 132
Perform a half self-test check .......................................................................... 132
Perform other checks ..................................................................................... 132
Heating element check .................................................................................................... 133
High-voltage contacts check ............................................................................................ 133
Check the print-cartridge contacts ................................................................ 133
Check the high-voltage connector assembly .................................................. 134
Service-mode functions .................................................................................................................... 135
NVRAM initialization ........................................................................................................ 135
Super NVRAM initialization .............................................................................................. 135
Secondary service menu ................................................................................................. 135
Problem-solving tools ....................................................................................................................... 137
Product information pages and reports ............................................................................ 137
Configuration page .......................................................................................... 137
Demo page ...................................................................................................... 137
Menu map ........................................................................................................................ 137
Service menu ................................................................................................................... 138
Restore the factory-set defaults ...................................................................... 138
Clean the paper path ....................................................................................... 138
Archive print .................................................................................................... 138
Problem-solving diagrams ................................................................................................................ 140
Repetitive image defects ................................................................................................. 140
Interface ports .................................................................................................................. 141
Formatter connectors ....................................................................................................... 142
ECU connectors ............................................................................................................... 143
Solenoid and motor .......................................................................................................... 144
Rollers .............................................................................................................................. 145
Sensors ............................................................................................................................ 146
Major components ........................................................................................................... 147
PCAs (base unit) .............................................................................................................. 148
Circuit diagram ................................................................................................................. 149
Firmware updates ............................................................................................................................. 150
7 Parts
Ordering information ......................................................................................................................... 152
Supplies and hinge tool .................................................................................................................... 152
Cable and interface accessories ...................................................................................................... 152
Whole-unit replacement ................................................................................................................... 153
Control-panel overlays ..................................................................................................................... 157
Supplementry documentation and support ....................................................................................... 160
Parts lists and diagrams ................................................................................................................... 162
Types of screws ............................................................................................................... 163
Scanner assemblies ......................................................................................................................... 164
Assemblies ....................................................................................................................................... 166
vi ENWW
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