User Guide

List of figures
Figure 1-1Function structure ................................................................................................................... 2
Figure 1-2Engine control system ............................................................................................................. 4
Figure 1-3DC controller PCA ................................................................................................................. 5
Figure 1-4Motor locations ..................................................................................................................... 7
Figure 1-5Fan locations ........................................................................................................................ 9
Figure 1-6Low-voltage power-supply PCA ............................................................................................. 11
Figure 1-7High-voltage power-supply PCA ............................................................................................ 14
Figure 1-8Fuser components ................................................................................................................ 16
Figure 1-9Fuser control system ............................................................................................................. 17
Figure 1-10Laser scanner system .......................................................................................................... 21
Figure 1-11Image-formation system ...................................................................................................... 23
Figure 1-12Image-formation components .............................................................................................. 24
Figure 1-13Image-formation process .................................................................................................... 25
Figure 1-14Primary charging ............................................................................................................... 26
Figure 1-15Laser-beam exposure ......................................................................................................... 26
Figure 1-16Developing ....................................................................................................................... 27
Figure 1-17Image transfer ................................................................................................................... 27
Figure 1-18Separation from the drum ................................................................................................... 28
Figure 1-19Fusing .............................................................................................................................. 29
Figure 1-20Drum cleaning .................................................................................................................. 29
Figure 1-21Toner cartridge components ................................................................................................ 30
Figure 1-22Drum discharge ................................................................................................................. 31
Figure 1-23Transfer roller cleaning ...................................................................................................... 32
Figure 1-24Pickup, feed, and delivery system ........................................................................................ 33
Figure 1-25Pickup, feed, and delivery system sensors and switches .......................................................... 34
Figure 1-26Pickup, feed, and delivery-system solenoid and motors ........................................................... 36
Figure 1-27Pickup-and-feed block ........................................................................................................ 37
Figure 1-28Cassette pickup mechanism ................................................................................................ 38
F
i
gure 1-29Cassette lift operation ........................................................................................................ 40
Figure 1-30Cassette multiple-feed prevention ......................................................................................... 41
Figure 1-31MP tray pickup .................................................................................................................. 42
Figure 1-32MP tray multiple-feed prevention .......................................................................................... 43
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