Latent-image formation stage ........................................................................... 24 Primary charging .............................................................................. 24 Laser beam exposure ....................................................................... 24 Developing stage .............................................................................................. 25 Print cartridge ................................................................................... 25 Transfer stage ...................................................................................................
26 Fusing stage ..................................................................................... 27 Cleaning stage .................................................................................. 27 Pickup, feed, and delivery system ...................................................................................................... 28 Photo sensors and switches .............................................................................................. 29 Input tray, main-input tray, or priority input slot ..................................................................................
30 Jam detection .................................................................................................................... 30 2 Removal and replacement ........................................................................................................................... 31 Introduction ......................................................................................................................................... 32 Removal and replacement strategy ...................................................................................................
32 Electrostatic discharge ....................................................................................................................... 33 Required tools ................................................................................................................................... 33 Before performing service .................................................................................................................. 34 After performing service .....................................................................................................................
34 Post-service test ................................................................................................................................. 35 Print-quality test ................................................................................................................. 35 Parts removal order ............................................................................................................................ 36 Pickup roller ........................................................................................................................................
37 Separation pad ................................................................................................................................... 38 Transfer roller ..................................................................................................................................... 39 Covers ................................................................................................................................................ 40 Input tray or main-input tray ...............................................................................................
40 Output bin tray extension ................................................................................................... 41 Front cover ......................................................................................................................... 42 Remove the front cover ..................................................................................... 42 Left cover ........................................................................................................................... 43 Remove the left cover .......................................................................................
43 Right cover ......................................................................................................................... 46 Remove the right cover ..................................................................................... 46 Cartridge door .................................................................................................................... 48 Remove the cartridge door ................................................................................ 48 Face-down cover ...............................................................................................................
50 Remove the face-down cover ........................................................................... 50 Rear cover ......................................................................................................................... 52 Remove the rear cover ...................................................................................... 52 Main assemblies ................................................................................................................................. 54 Formatter PCA ................................................................................................................... 54 vi ENWW