Canon iR8500 Service Manual page 17

Contents
11.4.3.1 Backup Battery................................................................................................................................................................... 11- 16
11.4.4 Energy-Saving Function.....................................................................................................................................11- 16
11.4.4.1 Outline................................................................................................................................................................................ 11- 16
11.4.4.2 Outline................................................................................................................................................................................ 11- 17
11.4.4.3 Outline................................................................................................................................................................................ 11- 17
11.4.4.4 Outline................................................................................................................................................................................ 11- 18
11.4.4.5 Power Supply Mode ........................................................................................................................................................... 11- 18
11.4.4.6 Standby Mode (normal operation)...................................................................................................................................... 11- 19
11.4.4.7 Power Save Mode.............................................................................................................................................................. 11- 19
11.4.4.8 Low Power Mode ............................................................................................................................................................... 11- 19
11.4.4.9 Sleep Mode ........................................................................................................................................................................ 11- 19
11.4.4.10 OFF Mode(iR105) ............................................................................................................................................................ 11- 19
11.4.4.11 Power Supply OFF Mode ................................................................................................................................................. 11- 20
11.5 Parts Replacement Procedure ............................................................................................................. 11- 21
11.5.1 Left Pickup Drive Assembly ...............................................................................................................................11- 21
11.5.1.1 Removing the Left Pickup Drive Assembly ........................................................................................................................ 11- 21
11.5.2 Pickup Drive Assembly ......................................................................................................................................11- 21
11.5.2.1 Removing the Pickup Drive Assembly ............................................................................................................................... 11- 21
11.5.3 Developing Drive Assembly ...............................................................................................................................11- 21
11.5.3.1 Removing the Developing Drive Assembly ........................................................................................................................ 11- 21
11.5.4 Vertical Path Drive Assembly.............................................................................................................................11- 22
11.5.4.1 Removing the Vertical Path Drive Assembly...................................................................................................................... 11- 22
11.5.5 Waste Toner Drive Assembly.............................................................................................................................11- 23
11.5.5.1 Removing the Waste Toner Drive Assembly ..................................................................................................................... 11- 23
11.5.6 Multifeeder Pickup Drive Assembly....................................................................................................................11- 23
11.5.6.1 Removing the Multifeeder Pickup Drive Assembly ............................................................................................................ 11- 23
11.5.7 Lifter Drive Assembly .........................................................................................................................................11- 23
11.5.7.1 Removing the Lifter Drive Assembly (right deck) ............................................................................................................... 11- 23
11.5.7.2 Removing the Lifter Drive Assembly (left deck) ................................................................................................................. 11- 24
11.5.8 Main Drive Assembly .........................................................................................................................................11- 24
11.5.8.1 Removing the Main Drive Assembly .................................................................................................................................. 11- 24
11.5.9 Drum Drive Assembly ........................................................................................................................................11- 25
11.5.9.1 Removing the Drum Drive Assembly ................................................................................................................................. 11- 25
11.5.9.2 Removing the Drive Assembly ........................................................................................................................................... 11- 26
11.5.10 Cassette Pickup Drive Assembly .....................................................................................................................11- 27
11.5.10.1 Removing the Cassette Pickup Drive Assembly .............................................................................................................. 11- 27
11.5.10.2 Removing the Cassette Pickup Drive Assembly .............................................................................................................. 11- 27
11.5.11 Toner Cartridge Drive Assembly ......................................................................................................................11- 27
11.5.11.1 Removing the Toner Cartridge Drive Assembly ............................................................................................................... 11- 27
11.5.12 Power Supply Unit............................................................................................................................................11- 28
11.5.12.1 Removing the Power Supply Unit..................................................................................................................................... 11- 28
11.5.12.2 Removing the Power Supply Unit..................................................................................................................................... 11- 28
11.5.13 Control Panel....................................................................................................................................................11- 29
11.5.13.1 Removing the Control Panel Unit ..................................................................................................................................... 11- 29
11.5.13.2 Removing the Control Panel Unit ..................................................................................................................................... 11- 30
11.5.13.3 Removing the Control Panel Unit ..................................................................................................................................... 11- 31
11.5.13.4 Removing the Control Panel Unit ..................................................................................................................................... 11- 31
11.5.14 Control Panel Support Unit...............................................................................................................................11- 33
11.5.14.1 Removing the Control Panel Support Unit ....................................................................................................................... 11- 33
11.5.15 Cover Switch Assembly....................................................................................................................................11- 33
11.5.15.1 Removing the Front Cover Switch Assembly ................................................................................................................... 11- 33
11.5.15.2 Removing the Front Cover Switch Assembly ................................................................................................................... 11- 34
11.5.16 Manual Feed Tray Switch Assembly ................................................................................................................11- 34
11.5.16.1 Removing the Manual Feed Tray Switch Assembly......................................................................................................... 11- 34
11.5.16.2 Removing the Manual Feed Tray Switch Assembly......................................................................................................... 11- 34
11.5.17 Drum Heater Switch Assembly.........................................................................................................................11- 35
11.5.17.1 Removing the Drum Heater Switch Assembly ................................................................................................................. 11- 35
11.5.17.2 Removing the Drum Heater Switch Assembly ................................................................................................................. 11- 35
11.5.18 DC Controller PCB ...........................................................................................................................................11- 35
11.5.18.1 Removing the DC Controller PCB .................................................................................................................................... 11- 35
fi