HP LASERJET ENTERPRISE M725dn Troubleshooting Manual page 25

Laserjet enterprise mfp m725
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List of tables
Table 1-1 Operation sequence ............................................................................................................... 3
Table 1-2 Motor locations ...................................................................................................................... 7
Table 1-3 Fan locations ......................................................................................................................... 9
Table 1-4 Low voltage power supply DC power specifications .................................................................. 12
Table 1-5 Pickup, feed, and delivery system sensors and switches ............................................................. 34
Table 1-6 Pickup, feed, and delivery system solenoid and motors ............................................................. 36
Table 1-7 Media switch combinations ................................................................................................... 39
Table 1-8 500-sheet paper feeder electrical components ......................................................................... 58
Table 1-9 500-sheet paper feeder motors .............................................................................................. 59
Table 1-10 500-sheet paper feeder pickup and feed components ............................................................. 59
Table 1-11 500-sheet paper feeder media switch combinations ................................................................ 61
Table 1-12 Paper deck electrical components ......................................................................................... 67
Table 1-13 Paper deck motors .............................................................................................................. 69
Table 1-14 Paper deck pickup-and-feed operation components ................................................................ 70
Table 1-15 Paper deck media switch combinations ................................................................................. 71
Table 1-16 HCI electrical components ................................................................................................... 76
Table 1-17 HCI motors ........................................................................................................................ 77
Table 1-18 HCI pickup-and-feed operation components ........................................................................... 78
Table 1-19 Duplexer electrical components ............................................................................................ 85
Table 1-20 Duplexer motor .................................................................................................................. 86
Table 1-21 Duplexer fan ...................................................................................................................... 87
Table 1-22 Duplexer reverse-and-feed components .................................................................................. 88
Table 2-1 Preboot menu options (1 of 6) .............................................................................................. 115
Table 2-2 Preboot menu options (2 of 6) .............................................................................................. 117
Table 2-3 Preboot menu options (3 of 6) .............................................................................................. 118
Table 2-4 Preboot menu options (4 of 6) .............................................................................................. 119
Table 2-5 Preboot menu options (5 of 6) .............................................................................................. 119
Table 2-6 Preboot menu options (6 of 6) .............................................................................................. 120
Table 2-7 Troubleshooting flowchart .................................................................................................... 122
Table 2-8 Heartbeat LED, status .......................................................................................................... 134
Table 2-9 Paper-path sensors .............................................................................................................. 139
Table 2-10 Manual sensor tests .......................................................................................................... 140
ENWW
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