Power subsystem ..................................................................................................... 81 Power-on checks ...................................................................................... 81 Tools for troubleshooting ......................................................................................................... 82 Component diagnostics ............................................................................................ 82 Engine diagnostics ................................................................................... 82 Engine test ................................................................................
82 Diagrams ............................................................................................................... 83 Locations of formatter connectors ............................................................... 83 Locations of major components .................................................................. 84 Cross section view ..................................................................... 84 External covers and doors (front view) ......................................... 85 External covers and doors (rear view) .......................................... 86 General timing chart .................................................................................
87 General circuit diagram ............................................................................ 88 Internal print-quality test pages .................................................................................. 89 Print a Diagnostics Page ........................................................................... 89 Interpret the Print Quality Page ................................................................... 89 Print-quality troubleshooting tools .............................................................................. 91 Repetitive image defects ruler ....................................................................
91 Interpret control panel messages ............................................................................... 92 Calibrate the product to align the colors ...................................................... 91 Control panel message types ..................................................................... 92 Control-panel messages ............................................................................ 92 10.XXXX Supply memory error .................................................... 92 49 Error, Turn off then on ........................................................... 93 50.X Fuser Error ........................................................................
93 79 Error, Turn off then on ........................................................... 93 Door open ................................................................................ 93 Engine comm. Error ................................................................... 94 Engine error. Press OK to continue. ............................................. 94 Jam in ...................................................................... 94 Load paper .............................................................................. 94 Print failure ...............................................................................
95 Event log messages ................................................................................................. 96 Clear jams ............................................................................................................................ 98 Show an event log ................................................................................... 96 Jam locations .......................................................................................................... 98 Clear jams from the input tray ...................................................................................
98 Clear jams from the output bin ................................................................................ 101 Paper feeds incorrectly or becomes jammed ............................................................................ 104 Clear jams from the rear door ................................................................................. 102 ENWW vii