Canon iR4570 Series Service Manual page 23

10.5.11 Option Power Supply PCB ................................................................................................................. 10- 45
10.5.11.1 Removing the Rear Cover ........................................................................................................... 10- 45
10.5.11.2 Removing the Left Cover (lower) ............................................................................................... 10- 46
10.5.11.3 Removing the Left Cover (Rear)................................................................................................. 10- 46
10.5.11.4 Removing the Accessories Power Supply PCB .......................................................................... 10- 46
10.5.12 High-Voltage PCB .............................................................................................................................. 10- 47
10.5.12.1 Removing the Front Cover Unit .................................................................................................. 10- 47
10.5.12.2 Removing the Waste Toner Case ................................................................................................ 10- 47
10.5.12.3 Removing the Toner Cartridge.................................................................................................... 10- 48
10.5.12.4 Removing the Drum Unit ............................................................................................................ 10- 49
10.5.12.5 Removing the Developing Assembly.......................................................................................... 10- 50
10.5.12.6 Removing the Upper Tray ........................................................................................................... 10- 51
10.5.12.7 Removing the Toner Cartridge Cover ......................................................................................... 10- 51
10.5.12.8 Removing the Pre-Exposure Lamp ............................................................................................. 10- 52
10.5.12.9 Removing the Left Cover ............................................................................................................ 10- 52
10.5.12.10 Removing the Laser Unit........................................................................................................... 10- 52
10.5.12.11 Removing the Hopper Assembly............................................................................................... 10- 53
10.5.12.12 Removing the Right Cover (rear) .............................................................................................. 10- 54
10.5.12.13 Removing the Right Door ......................................................................................................... 10- 55
10.5.12.14 Removing the Right Door ......................................................................................................... 10- 56
10.5.12.15 Removing the Right Door ......................................................................................................... 10- 57
10.5.12.16 Removing the Fixing Unit ......................................................................................................... 10- 58
10.5.12.17 Removing the Gear.................................................................................................................... 10- 59
10.5.12.18 Removing the High-Voltage PCB ............................................................................................. 10- 60
10.5.13 Exhaust Fan......................................................................................................................................... 10- 60
10.5.13.1 Removing the Heat Discharge Fan.............................................................................................. 10- 60
10.5.13.2 Removing the Heat Discharge Fan.............................................................................................. 10- 61
10.5.14 Motor of Main Drive Assembly.......................................................................................................... 10- 62
10.5.14.1 Removing the Rear Cover ........................................................................................................... 10- 62
10.5.14.2 Removing the Main Drive Assembly .......................................................................................... 10- 62
10.5.14.3 Removing the Main Drive Motor ................................................................................................ 10- 63
10.5.14.4 Removing the Main Drive Motor ................................................................................................ 10- 64
10.5.15 Fixing Driver Motor............................................................................................................................ 10- 64
10.5.15.1 Removing the Rear Cover ........................................................................................................... 10- 64
10.5.15.2 Removing the DC Controller PCB .............................................................................................. 10- 65
10.5.15.3 Removing the Fixing Drive Motor .............................................................................................. 10- 66
10.5.16 Right Door .......................................................................................................................................... 10- 66
10.5.16.1 Removing the Right Cover (rear) ................................................................................................ 10- 66
10.5.16.2 Removing the Right Door ........................................................................................................... 10- 66
10.5.16.3 Removing the Right Door ........................................................................................................... 10- 67
10.5.17 Circuit Braker...................................................................................................................................... 10- 68
10.5.17.1 Removing the Rear Cover ........................................................................................................... 10- 68
10.5.17.2 Removing the Circuit Breaker..................................................................................................... 10- 69
Chapter 11 MEAP
11.1 Overview ....................................................................................................................................................... 11-1
11.2 MEAP Counter .............................................................................................................................................. 11-2
11.3 Construction of the MEAP Platform ............................................................................................................. 11-4
Contents