Primary charging .............................................................................. 27 Laser beam exposure ....................................................................... 27 Developing stage .............................................................................................. 28 Print cartridge ................................................................................... 28 Transfer stage ................................................................................................... 29 Fusing stage .....................................................................................
29 Cleaning stage .................................................................................. 30 Pickup, feed, and delivery system ...................................................................................................... 31 Photo sensors and switches .............................................................................................. 32 Main-input tray or priority input slot .................................................................................................... 34 Jam detection ....................................................................................................................
34 2 Removal and replacement ........................................................................................................................... 35 Introduction ......................................................................................................................................... 36 Removal and replacement strategy ................................................................................................... 36 Electrostatic discharge .......................................................................................................................
37 Required tools ................................................................................................................................... 37 Before performing service .................................................................................................................. 37 After performing service ..................................................................................................................... 38 Post-service test .................................................................................................................................
38 Print-quality test ................................................................................................................. 38 Parts removal order ............................................................................................................................ 39 Pickup roller ........................................................................................................................................ 40 Separation pad ...................................................................................................................................
41 Transfer roller ..................................................................................................................................... 42 Covers ................................................................................................................................................ 43 Main-input tray ................................................................................................................... 43 Output bin tray extension ................................................................................................... 44 Left cover, simplex product ................................................................................................
45 Remove the left cover, simplex product ............................................................ 45 Left cover, duplex product ................................................................................................. 47 Remove the left cover, duplex product .............................................................. 47 Right cover, simplex product ............................................................................................. 50 Remove the right cover, simplex product .......................................................... 50 Right cover, duplex product ...............................................................................................
52 Remove the right cover, duplex product ........................................................... 52 Duplex door, duplex product .............................................................................................. 55 Duplex frame, duplex product ............................................................................................ 56 Remove the duplex frame ................................................................................. 56 Cartridge door ....................................................................................................................
57 Control panel ..................................................................................................................... 59 Front cover ......................................................................................................................... 61 Remove the front cover ..................................................................................... 61 vi ENWW