DC controller PCA ............................................................................................. 49 Special considerations ...................................................................... 49 Remove the DC controller PCA ........................................................ 49 Formatter PCA, fax card PCA, and support bracket ......................................... 53 Special considerations ...................................................................... 53 Remove the formatter PCA .............................................................. 53 Fuser motor .......................................................................................................
59 Main motor ........................................................................................................ 60 Intermediate transfer belt (ITB) ......................................................................... 62 Reinstall the ITB ............................................................................... 65 Power supply (high-voltage) .............................................................................. 67 Reinstall the power supply (high voltage) ......................................... 70 Power supply (low voltage) ...............................................................................
71 Reinstall the power supply (low voltage) .......................................... 75 Power supply (fuser) ......................................................................................... 77 Fuser ................................................................................................................. 80 Document feeder components ........................................................................................... 83 Document feeder separation pad ...................................................................... 83 Document feeder input tray ...............................................................................
87 Document feeder cover ..................................................................................... 88 Document feeder pick arm assembly ................................................................ 90 Document feeder core assembly ...................................................................... 92 Post scan pinch rollers ...................................................................................... 94 Document feeder base assembly ...................................................................... 95 Document feeder floating hinges ......................................................................
97 2 Solve problems ............................................................................................................................................. 99 Menu map ........................................................................................................................................ 100 Tools for troubleshooting .................................................................................................................. 100 Component diagnostics ................................................................................................... 100 LED diagnostics ..............................................................................................
100 Network LEDs ................................................................................. 100 Control panel LEDs ........................................................................ 101 Control-panel diagnostics ................................................................................ 102 Engine Diagnostics ......................................................................................... 102 Engine test ...................................................................................... 102 Repetitive image defects .................................................................................
103 Diagrams ......................................................................................................................... 104 Plug/jack locations .......................................................................................... 104 DC controller PCA ........................................................................................... 105 General timing charts (product base only) ...................................................... 107 General circuit diagram (product base only) ................................................... 108 Print-quality troubleshooting tools ....................................................................................
109 vi ENWW