List of figures
Figure 1-1 Product block diagram ...................................................................................................................... 2
Figure 1-2 Engine-control system ...................................................................................................................... 7
Figure 1-3 Motors ............................................................................................................................................... 8
Figure 1-4 Solenoids and clutches ..................................................................................................................... 9
Figure 1-5 Switches ........................................................................................................................................... 9
Figure 1-6 Sensors ........................................................................................................................................... 10
Figure 1-7 DC controller block diagram ............................................................................................................ 11
Figure 1-8 Fuser control circuit ......................................................................................................................... 12
Figure 1-9 Fuser-heater control circuit ............................................................................................................. 14
Figure 1-10 Low-voltage power supply (LVPS) ................................................................................................ 16
Figure 1-11 High-voltage power supply ............................................................................................................ 18
Figure 1-12 Laser/scanner system ................................................................................................................... 19
Figure 1-13 Electrophotographic process block diagram (1 of 2) .................................................................... 21
Figure 1-14 Electrophotographic process block diagram (2 of 2) .................................................................... 22
Figure 1-15 Image formation process .............................................................................................................. 23
Figure 1-16 Primary charging ........................................................................................................................... 24
Figure 1-17 Laser beam exposure ................................................................................................................... 24
Figure 1-18 Print cartridge ................................................................................................................................ 25
Figure 1-19 Transfer ......................................................................................................................................... 26
Figure 1-20 Separation ..................................................................................................................................... 26
Figure 1-21 Fusing ........................................................................................................................................... 27
Figure 1-22 Drum cleaning ............................................................................................................................... 27
Figure 1-23 Pickup, feed, and delivery system block diagram ......................................................................... 28
Figure 1-24 Photo sensors, motor, and solenoid ............................................................................................. 29
Figure 2-1 Phillips and pozidrive screwdriver comparison ............................................................................... 33
Figure 2-2 Parts removal order ........................................................................................................................ 36
Figure 2-3 Remove the pickup roller (1 of 2) .................................................................................................... 37
Figure 2-4 Remove the pickup roller (2 of 2) .................................................................................................... 37
Figure 2-5 Remove the separation pad assembly ........................................................................................... 38
Figure 2-6 Remove the transfer roller .............................................................................................................. 39
Figure 2-7 Remove the tray .............................................................................................................................. 40
Figure 2-8 Remove the output bin tray extension ............................................................................................ 41
Figure 2-9 Remove the front cover .................................................................................................................. 42
Figure 2-10 Remove the left cover (1 of 5) ....................................................................................................... 43
ENWW xiii