Fan ................................................................................................................................... 63
Delivery functions ........................................................................................................... 63
Delivery operation .......................................................................................................... 64
Jam detection .................................................................................................................. 66
Scanning and image capture system (M631, M632, M633) ................................................................................ 69
Document feeder system (M631, M632, M633) ................................................................................................. 70
Document feed system ..................................................................................................................... 70
Sensors in the document feeder ....................................................................................................... 70
Document feeder paper path ............................................................................................................ 71
Document feeder simplex operation ................................................................................................ 72
Document feeder e-duplex operation .............................................................................................. 73
Deskew operation .............................................................................................................................. 74
Document feeder hinges ................................................................................................................... 74
2 Solve problems ............................................................................................................................................ 77
Solve problems checklist ..................................................................................................................................... 79
Solve problems checklist ................................................................................................................... 79
Print menu map ................................................................................................................................. 84
Print current settings pages ............................................................................................................. 84
View, print and clear the event log ................................................................................................... 85
View or print the event log from the Troubleshooting menu ........................................ 85
View, print, or clear the event log from the Service menu ............................................. 86
Pre-boot menu options ..................................................................................................................... 87
Remote Admin ................................................................................................................. 97
Required software and network connection ................................................ 97
Connect a remote connection ....................................................................... 99
Disconnect a remote connection ................................................................ 103
Troubleshooting process ................................................................................................................................... 106
Determine the problem source ....................................................................................................... 106
Pre-troubleshooting checklist ...................................................................................... 106
Troubleshooting owchart ........................................................................................... 107
Power subsystem ............................................................................................................................ 108
Power-on checks ........................................................................................................... 108
Power-on troubleshooting overview ......................................................... 109
Control panel checks (touchscreen models) ................................................................................... 114
Control-panel diagnostics (touchscreen models) ........................................................ 114
Touchscreen diagnostic mode (touchscreen models) ............................... 114
Control-panel system diagnostics (touchscreen models) ......................... 119
Control panel diagnostic owcharts (touchscreen models) ........................................ 134
Touchscreen black, white, or dim (no image) ............................................ 135
Touchscreen has an unresponsive zone .................................................... 136
ENWW ix
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