Media detection .............................................................................................................. 57 Feed-speed control ......................................................................................................... 58 Fusing and delivery block ................................................................................................................. 58 Loop control .................................................................................................................... 58 Pressure roller pressurization and depressurization control .......................................
59 Duplex block (duplex models only) .................................................................................................. 62 Output bin full detection ................................................................................................ 61 Duplex reverse and duplex feed control ........................................................................ 62 Duplex operation ............................................................................................................ 63 Jam detection ....................................................................................................................................
64 Paper feeder ........................................................................................................................................................ 67 Paper-feeder motors ........................................................................................................................ 68 Paper-feeder paper pickup and feed ................................................................................................ 69 Cassette media-size detection and cassette-presence detection ...................................................
69 Paper-feeder cassette lift operation ................................................................................................ 70 Optional 3X500-sheet paper deck ...................................................................................................................... 72 Paper-feeder jam detection .............................................................................................................. 71 Motor control .....................................................................................................................................
74 Pickup-and-feed operation ............................................................................................................... 75 Cassette media-size detection and cassette-presence detection ................................................... 76 Cassette lift-up operation ................................................................................................................. 77 Jam detection ....................................................................................................................................
78 2 Removal and replacement ............................................................................................................................ 81 Removal and replacement strategy .................................................................................................................... 82 Cautions during removal and replacement ...................................................................................... 82 Required tools ...................................................................................................................................
83 Types of screws ................................................................................................................................. 83 Service approach ............................................................................................................................... 83 Before performing service ................................................................................................................ 84 After performing service ...................................................................................................................
84 Parts removal order .......................................................................................................................... 84 Removal and replacement procedures ............................................................................................................... 85 Print cartridges .................................................................................................................................. 85 Toner-collection unit ........................................................................................................................
88 Fuser .................................................................................................................................................. 90 Reset the New Fuser Kit setting at the control panel .................................................... 90 Pickup roller (Tray 1) ......................................................................................................................... 91 Separation pad (Tray 1) .................................................................................................................... 92 Separation roller assembly (Tray 2) .................................................................................................
94 Pickup roller (Tray 2) ......................................................................................................................... 95 ENWW vii