Parts catalog............................................................................................354
Legend...................................................................................................................................................354
Assembly 1: Covers................................................................................................................................355
Assembly 2: Imaging..............................................................................................................................357
Assembly 3: Control panel (MX41x, MX51x).........................................................................................361
Assembly 4: Control panel (MX31x)......................................................................................................363
Assembly 5: Electronics 1......................................................................................................................365
Assembly 6: Electronics 2......................................................................................................................367
Assembly 7: Frame................................................................................................................................369
Assembly 8: Option trays......................................................................................................................371
Assembly 9: Maintenance kits...............................................................................................................373
Assembly 10: Power cords....................................................................................................................375
Assembly 11: Miscellaneous.................................................................................................................377
Appendix A: Printer specifications............................................................379
Electrical specifications.........................................................................................................................379
Operating clearances.............................................................................................................................379
Acoustics...............................................................................................................................................379
Operating environment.........................................................................................................................380
Scanner specifications...........................................................................................................................381
Fax specifications..................................................................................................................................382
Appendix B: Options and features............................................................383
Available internal options.....................................................................................................................383
Media handling options.........................................................................................................................383
Appendix C: Theory of operation..............................................................385
POR sequence.......................................................................................................................................385
Printer control.......................................................................................................................................385
Paper path information.........................................................................................................................385
Input tray ........................................................................................................................................................385
Multipurpose feeder (MPF) ............................................................................................................................ 386
Simplex printing .............................................................................................................................................. 386
Duplex printing ...............................................................................................................................................387
Media handling components.................................................................................................................387
Main drive gearbox......................................................................................................................................... 387
Autocompensator mechanism (ACM) ............................................................................................................388
Key components....................................................................................................................................388
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