Media detection ....................................................................................... 58 Feed-speed control ................................................................................... 59 Fusing and delivery block ......................................................................................... 59 Loop control ............................................................................................ 59 Pressure roller pressurization and depressurization control ............................ 61 Output bin full detection ............................................................................
62 Duplex block (duplex models only) ............................................................................ 63 Duplex reverse and duplex feed control ...................................................... 63 Duplex operation ..................................................................................... 64 Paper feeder ......................................................................................................................... 68 Jam detection ......................................................................................................... 66 Paper-feeder motors .................................................................................................
69 Paper-feeder paper pickup and feed ......................................................................... 70 Cassette media-size detection and cassette-presence detection ...................................... 70 Paper-feeder cassette lift operation ............................................................................ 71 Paper-feeder jam detection ....................................................................................... 72 Optional 3X500-sheet paper deck ...........................................................................................
73 Motor control .......................................................................................................... 76 Pickup-and-feed operation ........................................................................................ 77 Cassette media-size detection and cassette-presence detection ...................................... 78 Cassette lift-up operation .......................................................................................... 79 Jam detection .........................................................................................................
81 2 Removal and replacement .............................................................................................. 83 Introduction ........................................................................................................................... 84 Removal and replacement strategy ........................................................................................... 84 Electrostatic discharge ............................................................................................................ 84 Required tools ........................................................................................................................
85 Service approach ................................................................................................................... 86 Before performing service ........................................................................................ 86 After performing service ........................................................................................... 86 Post-service test ....................................................................................................... 86 Print-quality test ........................................................................................
86 Removal and replacement procedures ...................................................................................... 87 Print cartridges ........................................................................................................ 87 Toner-collection unit ................................................................................................. 91 Fuser ..................................................................................................................... 93 Reset the New Fuser Kit setting at the control panel ......................................
93 Pickup roller (Tray 1) ............................................................................................... 94 Separation pad (Tray 1) ........................................................................................... 95 Separation roller assembly (Tray 2) ........................................................................... 97 ENWW vii