Figure 1-33 Skew-feed prevention ......................................................................................................... 42 Figure 1-34 Fuse and delivery block ...................................................................................................... 44 Figure 1-35 Loop control ...................................................................................................................... 45 Figure 1-36 Output bin media-full detection ............................................................................................ 46 Figure 1-37 Product engine jam detection sensors and switches ................................................................
47 Figure 1-38 500-sheet paper feeder paper path ..................................................................................... 50 Figure 1-39 500-sheet paper feeder signal flow ..................................................................................... 50 Figure 1-40 500-sheet paper feeder motor locations ............................................................................... 51 Figure 1-41 500-sheet paper feeder pickup and feed components ............................................................ 52 Figure 1-42 500-sheet paper feeder pickup and feed cassette pickup .......................................................
53 Figure 1-43 500-sheet paper feeder lift-up operation ............................................................................... 54 Figure 1-44 500-sheet paper feeder multiple-feed prevention ................................................................... 56 Figure 1-45 500-sheet paper feeder cassette jam detection sensor ............................................................ 56 Figure 1-46 Paper deck paper path ...................................................................................................... 58 Figure 1-47 Paper deck signal flow .......................................................................................................
59 Figure 1-48 Paper deck motors ............................................................................................................. 61 Figure 1-49 Paper deck pickup and feed components ............................................................................. 62 Figure 1-50 Paper deck lift-up operation ................................................................................................ 64 Figure 1-51 Paper deck jam detection sensors ........................................................................................ 65 Figure 1-53 HCI signal flow .................................................................................................................
68 Figure 1-52 HCI paper path ................................................................................................................. 67 Figure 1-54 HCI motors ....................................................................................................................... 69 Figure 1-55 HCI pickup-and-feed operation ............................................................................................ 70 Figure 1-56 HCI lift-up operation ..........................................................................................................
72 Figure 1-58 Duplexer paper path .......................................................................................................... 76 Figure 1-57 HCI jam detection sensors .................................................................................................. 74 Figure 1-59 Duplexer signal flow .......................................................................................................... 76 Figure 1-60 Duplexer motor .................................................................................................................
77 Figure 1-61 Duplexer fan ..................................................................................................................... 78 Figure 1-62 Duplexer reverse and feed operation ................................................................................... 79 Figure 1-63 Duplexer side misregistration detection ................................................................................ 81 Figure 1-64 Duplexer jam detection sensors ........................................................................................... 82 Figure 2-1 Locating the engine-test-page switch .....................................................................................
105 Figure 2-2 Test the cartridge door switch ............................................................................................. 110 Figure 2-4 Test the top sensor ............................................................................................................. 114 Figure 2-3 Test the left door switch ...................................................................................................... 111 Figure 2-5 Fuser loop sensor ..............................................................................................................
115 Figure 2-6 Fuser output sensor ............................................................................................................ 116 Figure 2-7 Duplex switchback sensor ................................................................................................... 117 Figure 2-8 Duplexer refeed sensor ...................................................................................................... 118 Figure 2-9 Tray 4 feed sensor ............................................................................................................. 119 xxii ENWW