Canon ImageRunner iR8500 Series Service Manual page 527

Contents
11.1 Control Panel..............................................................................................................................................................11-1
11.1.1 Outline...................................................................................................................................................................................... 11-1
11.1.2 Outline...................................................................................................................................................................................... 11-1
11.2 Counters .....................................................................................................................................................................11-3
11.2.1 Soft Counters ........................................................................................................................................................................... 11-3
11.2.2 Soft Counters ........................................................................................................................................................................... 11-4
11.3 Fans ............................................................................................................................................................................11-6
11.3.1 Changes Made to Externals/Auxiliary Controls(iR105).......................................................................................................... 11-6
11.3.2 Fans .......................................................................................................................................................................................... 11-7
11.3.3 Fans .......................................................................................................................................................................................... 11-9
11.3.4 Fans ........................................................................................................................................................................................ 11-10
11.3.5 Fans ........................................................................................................................................................................................ 11-11
11.3.6 Sequence of Fan Operation .................................................................................................................................................... 11-12
11.3.7 Sequence of Fan Operation .................................................................................................................................................... 11-13
11.3.8 Sequence of Fan Operation .................................................................................................................................................... 11-14
11.4 Power Supply System ..............................................................................................................................................11-15
11.4.1 Power Supply ......................................................................................................................................................................... 11-15
11.4.1.1 Outline of the Power Supply .....................................................................................................................................................................11-15
11.4.2 Protection Function ................................................................................................................................................................ 11-15
11.4.2.1 Protective Functions..................................................................................................................................................................................11-15
11.4.3 Backup Battery....................................................................................................................................................................... 11-16
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
Contents