HP — HP LaserJet Enterprise MFP M725 - Troubleshooting Service Manual (EN)

Figure 1-33 Skew-feed prevention ......................................................................................................... 45 Figure 1-34 Fuse and delivery block ...................................................................................................... 47 Figure 1-35 Loop control ...................................................................................................................... 48 Figure 1-36 Output bin media-full detection ............................................................................................ 49 Figure 1-37 Product engine jam detection sensors and switches ................................................................

51 Figure 1-38 Document feeder path for single-sided documents .................................................................. 55 Figure 1-39 Document feeder path for two-sided documents ..................................................................... 56 Figure 1-40 500-sheet paper feeder paper path ..................................................................................... 57 Figure 1-41 500-sheet paper feeder signal flow ..................................................................................... 58 Figure 1-42 500-sheet paper feeder motor locations ...............................................................................

58 Figure 1-43 500-sheet paper feeder pickup and feed components ............................................................ 59 Figure 1-44 500-sheet paper feeder pickup and feed cassette pickup ....................................................... 60 Figure 1-45 500-sheet paper feeder lift-up operation ............................................................................... 61 Figure 1-46 500-sheet paper feeder multiple-feed prevention ................................................................... 63 Figure 1-48 Paper deck paper path ......................................................................................................

66 Figure 1-47 500-sheet paper feeder cassette jam detection sensor ............................................................ 63 Figure 1-49 Paper deck signal flow ....................................................................................................... 67 Figure 1-50 Paper deck motors ............................................................................................................. 69 Figure 1-51 Paper deck pickup-and-feed components .............................................................................. 70 Figure 1-52 Paper deck lift-up operation ................................................................................................

72 Figure 1-53 Paper deck jam detection sensors ........................................................................................ 73 Figure 1-54 HCI paper path ................................................................................................................. 75 Figure 1-55 HCI signal flow ................................................................................................................. 76 Figure 1-56 HCI motors .......................................................................................................................

77 Figure 1-58 HCI lift-up operation .......................................................................................................... 80 Figure 1-57 HCI pickup-and-feed operation ............................................................................................ 78 Figure 1-59 HCI jam detection sensors .................................................................................................. 82 Figure 1-60 Duplexer paper path ..........................................................................................................

84 Figure 1-61 Duplexer signal flow .......................................................................................................... 85 Figure 1-63 Duplexer fan ..................................................................................................................... 87 Figure 1-62 Duplexer motor ................................................................................................................. 86 Figure 1-64 Duplexer reverse-and-feed operation ....................................................................................

88 Figure 1-65 Duplexer side misregistration detection ................................................................................ 90 Figure 1-66 Duplexer jam detection sensors ........................................................................................... 92 Figure 1-68 Stapler/stacker signal flow ................................................................................................. 95 Figure 1-67 Stapler/stacker paper path ................................................................................................. 94 Figure 1-69 Stapler/stacker motor locations ...........................................................................................

96 Figure 1-70 Stapler/stacker feed and delivery operation ......................................................................... 98 Figure 1-71 Staple mode mode begins ................................................................................................ 100 Figure 1-72 Jogger guide in the waiting position .................................................................................. 101 Figure 1-73 Alignment-alienation motor separates output rollers .............................................................. 102 xxvi ENWW