Assembly 3: Control panel (MX41x, MX51x, XM1140, and XM1145)..................................................... 431
Assembly 4: Control panel (MX31x)............................................................................................................433
Assembly 5: Electronics 1 (MX31x, MX41x, and XM1140).......................................................................435
Assembly 6: Electronics 1 (MX51x and XM1145)......................................................................................439
Assembly 7: Electronics 2 (MX31x, MX41x, and XM1140)......................................................................443
Assembly 8: Electronics 2 (MX51x and XM1145).....................................................................................445
Assembly 9: Frame (MX31x, MX41x, and XM1140).................................................................................. 447
Assembly 10: Frame (MX51x and XM1145)................................................................................................452
Assembly 11: Option trays............................................................................................................................. 455
Assembly 12: Maintenance kits....................................................................................................................457
Assembly 13: Power cords............................................................................................................................459
Assembly 14: Miscellaneous..........................................................................................................................461
Printer specifications............................................................................... 463
Electrical specifications.................................................................................................................................463
Operating clearances.................................................................................................................................... 463
Acoustics...........................................................................................................................................................463
Operating environment.................................................................................................................................464
Scanner specifications.................................................................................................................................. 465
Fax specifications........................................................................................................................................... 466
Enabling the security reset jumper............................................................................................................ 466
Options and features............................................................................... 469
Available internal options............................................................................................................................. 469
Media handling options.................................................................................................................................469
Theory of operation.................................................................................. 471
POR sequence..................................................................................................................................................471
Printer control....................................................................................................................................................471
Paper path information................................................................................................................................... 471
Input tray.......................................................................................................................................................................471
Multipurpose feeder (MPF) .....................................................................................................................................472
Simplex printing.........................................................................................................................................................472
Duplex printing...........................................................................................................................................................473
Media handling components........................................................................................................................474
Main drive gearbox ...................................................................................................................................................474
Autocompensator mechanism (ACM) .................................................................................................................. 474
Key components..............................................................................................................................................475
7015
Table of contents
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