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 ............................................................................................. 10
Figure 1-7High-voltage power-supply PCA ............................................................................................ 13
Figure 1-8Fuser components ................................................................................................................ 15
Figure 1-9Fuser control system ............................................................................................................. 16
Figure 1-10Laser scanner system .......................................................................................................... 20
Figure 1-11Image-formation system ...................................................................................................... 22
Figure 1-12Image-formation components .............................................................................................. 23
Figure 1-13Image-formation process .................................................................................................... 24
Figure 1-14Primary charging ............................................................................................................... 24
Figure 1-15Laser-beam exposure ......................................................................................................... 25
Figure 1-16Developing ....................................................................................................................... 25
Figure 1-17Image transfer ................................................................................................................... 26
Figure 1-18Separation from the drum ................................................................................................... 26
Figure 1-19Fusing .............................................................................................................................. 27
Figure 1-20Drum cleaning .................................................................................................................. 27
Figure 1-21Toner cartridge components ................................................................................................ 28
Figure 1-22Drum discharge ................................................................................................................. 29
Figure 1-23Transfer roller cleaning ...................................................................................................... 30
Figure 1-24Pickup, feed, and delivery system ........................................................................................ 31
Figure 1-25Pickup, feed, and delivery system sensors and switches .......................................................... 32
Figure 1-26Pickup, feed, and delivery-system solenoid and motors ........................................................... 33
Figure 1-27Pickup and feed block ........................................................................................................ 34
Figure 1-28Ca
ssette pickup mechanism ................................................................................................ 35
Figure 1-29Cassette lift operation ........................................................................................................ 37
Figure 1-30Cassette multiple feed prevention ........................................................................................ 38
Figure 1-31MP tray pickup .................................................................................................................. 39
Figure 1-32MP tray multiple-feed prevention .......................................................................................... 40
ENWW xxi