Service manual

Service approach...................................................................................................................................61
Pre-service procedures.........................................................................................................61
Removal and replacement procedures.................................................................................................62
Print cartridge replacement...................................................................................................62
ETB removal and replacement.............................................................................................64
Fuser removal and replacement...........................................................................................73
Formatter removal and replacement....................................................................................81
DC controller removal and replacement...............................................................................85
Separation pad removal and replacement............................................................................88
Paper pickup roller removal and replacement......................................................................89
Control panel removal and replacement...............................................................................91
6 Troubleshooting
Troubleshooting process.......................................................................................................................98
Troubleshooting checklist.....................................................................................................98
Clearing jams ......................................................................................................................................100
Paper path..........................................................................................................................100
Common causes of paper jams..........................................................................................101
Where to look for jams........................................................................................................102
Jams inside the printer........................................................................................................103
Input jams...........................................................................................................................104
Tray 1.................................................................................................................104
Tray 2.................................................................................................................105
Output jams.........................................................................................................................105
Jams in the top bin.............................................................................................105
Pickup delay jam................................................................................................106
Pickup stationary jam.........................................................................................106
Delivery delay jam..............................................................................................106
Wrapping jam......................................................................................................................106
Delivery stationary jam.......................................................................................................106
Start-up residual paper jam................................................................................................106
Door open jam....................................................................................................................107
Print problems......................................................................................................................................108
Getting information..............................................................................................................108
Control panel messages....................................................................................108
Alert and warning messages.............................................................108
Critical error messages.....................................................................109
Supplies messages...........................................................................110
Status messages...............................................................................113
Status log only messages.................................................................113
Reports menu.....................................................................................................114
Configuration page.............................................................................................115
Supplies Status page.........................................................................................117
Menu map..........................................................................................................117
Status log...........................................................................................................118
Service menu settings........................................................................................120
Secondary service menu....................................................................................120
Printed image quality problems..........................................................................................121
Improving print quality........................................................................................121
Paper Types menu............................................................................121
ENWW v