HP LASERJET ENTERPRISE M855 - Page 31

List of tables
Table 1-1 Sequence of operation (product base) ............................................................................................... 3
Table 1-2 Formatter hardware components ....................................................................................................... 4
Table 1-3 Motors ................................................................................................................................................ 8
Table 1-4 Fans ................................................................................................................................................... 9
Table 1-5 Solenoids ......................................................................................................................................... 10
Table 1-6 Switches ........................................................................................................................................... 10
Table 1-7 Photointerrupters .............................................................................................................................. 10
Table 1-8 Sensors ............................................................................................................................................ 12
Table 1-9 Motors .............................................................................................................................................. 13
Table 1-10 Fans ............................................................................................................................................... 14
Table 1-11 Low-voltage power supply voltages description ............................................................................. 16
Table 1-12 Low-voltage power supply functions .............................................................................................. 18
Table 1-13 Fuser components ......................................................................................................................... 21
Table 1-14 Fuser control functions ................................................................................................................... 24
Table 1-15 Primary-transfer roller engagement states ..................................................................................... 40
Table 1-16 ITB unit detection ........................................................................................................................... 42
Table 1-17 Calibration functions ....................................................................................................................... 44
Table 1-18 Image stabilization controls ............................................................................................................ 46
Table 1-19 Document feeder sensors .............................................................................................................. 52
Table 1-20 Photo sensors and switches .......................................................................................................... 65
Table 1-21 Motors and solenoids (paper path) ................................................................................................ 68
Table 1-22 Main operations within the pickup-and-feed system ...................................................................... 70
Table 1-23 Switch states for paper-size detection ........................................................................................... 72
Table 1-24 Print mode and corresponding feed speed .................................................................................... 81
Table 1-25 Media-width combination of the sensors (1 of 2) ........................................................................... 82
Table 1-26 Media-width combination of the sensors (2 of 2) ........................................................................... 82
Table 1-27 Loop control ................................................................................................................................... 85
Table 1-28 Duplexing-unit components ........................................................................................................... 87
Table 1-29 Jam detection ................................................................................................................................. 90
Table 1-30 3x500-sheet paper-feeder cassette media-size detection and cassette-presence detection ........ 93
Table 1-31 Paper feeder electrical components .......................................................................................
....... 95
Table 1-32 Paper feeder jam detection ............................................................................................................ 99
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