Power subsystem .............................................................................................................................. 35
Power-on checks ............................................................................................................ 35
Tools for troubleshooting ................................................................................................................................... 36
Component diagnostics .................................................................................................................... 36
Engine-test page ............................................................................................................ 36
LCD control-panel tests .................................................................................................. 36
Touchscreen control-panel tests ................................................................................... 36
Diagrams ........................................................................................................................................... 38
Plug/jack locations ......................................................................................................... 38
Locations of connectors ................................................................................................. 39
Locations of major components ..................................................................................... 41
General timing chart ....................................................................................................... 43
General circuit diagram .................................................................................................. 44
Internal print-quality test pages ...................................................................................................... 45
Clean the paper path ....................................................................................................... 45
Print Configuration page ................................................................................................ 45
Print-quality troubleshooting tools ................................................................................................. 46
Repetitive image defects ruler ....................................................................................... 46
Calibrate the product ...................................................................................................... 47
Control panel menus ......................................................................................................................... 48
Touchscreen control panel ............................................................................................. 48
Setup menu .................................................................................................. 48
Fax Menu ....................................................................................................... 55
Copy Menu .................................................................................................... 57
LCD control panel ............................................................................................................ 59
Setup menu .................................................................................................. 59
Interpret control-panel messages .................................................................................................... 66
Control-panel message types ........................................................................................ 66
Control-panel messages ................................................................................................ 66
Clear jams ............................................................................................................................................................ 73
Solve paper feed or jam problems .................................................................................................... 73
The product does not pick up paper ............................................................................... 73
The product picks up multiple sheets of paper .............................................................. 73
Frequent or recurring paper jams .................................................................................. 73
Prevent paper jams ......................................................................................................... 74
Clear jams from the input tray .......................................................................................................... 75
Clear jams in the output bin .............................................................................................................. 79
Clear jams in the document feeder ................................................................................................... 81
Solve paper-handling problems .......................................................................................................................... 83
Solve image-quality problems ............................................................................................................................ 84
General print-quality issues ............................................................................................................. 84
ENWW vii
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