Canon iR C3200 Series Service Manual page 26

Contents
11.5.15.9 Removing the Left Lower Rear cover ......................................................................................... 11-67
11.5.15.10 Removing the Secondary Transfer High-Voltage Unit ............................................................. 11-67
11.5.15.11 Removing the Fixing Drive Unit ............................................................................................... 11-68
11.5.15.12 Removing the Fixing Motor ...................................................................................................... 11-69
Chapter 12 Externals and Controls
12.1 Control Panel ................................................................................................................................................. 12-1
12.1.1 Outline .................................................................................................................................................... 12-1
12.1.2 LCD Processing ...................................................................................................................................... 12-1
12.1.3 LCD Contras Adjustment ....................................................................................................................... 12-1
12.1.4 Functions of the Control Panel CPU ...................................................................................................... 12-2
12.2 Counters ......................................................................................................................................................... 12-3
12.2.1 Outline .................................................................................................................................................... 12-3
12.2.2 Signal-Sided Print and 2nd Side of a Double-Sided Print ...................................................................... 12-5
12.2.3 Side of a Duplex Print (duplex model only) ........................................................................................... 12-5
12.3 Fans ................................................................................................................................................................ 12-6
12.3.1 Outline .................................................................................................................................................... 12-6
12.3.2 Sequence of Operations (fan) ................................................................................................................. 12-7
12.4 Power Supply ................................................................................................................................................. 12-8
12.4.1 Power Supply .......................................................................................................................................... 12-8
12.4.1.1 Timing of Power Supply .................................................................................................................. 12-8
12.4.1.2 Wiring to Various Accessories ........................................................................................................ 12-8
12.4.1.3 Route of Power Supply .................................................................................................................... 12-9
12.4.1.4 Power Supply Route lnside the Printer Unit .................................................................................. 12-10
12.4.2 Rated Output of DC Power Supply PCB .............................................................................................. 12-11
12.4.2.1 Rated Output of the Machine Power Suppy .................................................................................. 12-11
12.4.3 Protection Function ............................................................................................................................... 12-12
12.4.3.1 Protective Mechanisms .................................................................................................................. 12-12
12.4.4 Backup Battery ...................................................................................................................................... 12-12
12.4.4.1 Backup Power Supply .................................................................................................................... 12-12
12.4.5 Energy-Saving Function ........................................................................................................................ 12-13
12.4.5.1 Outline ........................................................................................................................................... 12-13
12.5 Parts Replacement Procedure ...................................................................................................................... 12-15
12.5.1 Fixing Drive Unit .................................................................................................................................. 12-15
12.5.1.1 Removing the Upper Rear Cover ................................................................................................... 12-15
12.5.1.2 Removing the Lower Rear Cover .................................................................................................. 12-15
12.5.1.3 Removing the Left Upper Rear Cover ........................................................................................... 12-15
12.5.1.4 Removing the Controller Box Cover ............................................................................................. 12-15
12.5.1.5 Removing the DC Controller PCB Cover ...................................................................................... 12-15
12.5.1.6 Opening the Main Controller Box ................................................................................................. 12-15
12.5.1.7 Removing the Fixing Heat Discharge Fan ..................................................................................... 12-16
12.5.1.8 Removing the High-Voltage Unit .................................................................................................. 12-17
12.5.1.9 Removing the Left Lower Rear cover ........................................................................................... 12-17
12.5.1.10 Removing the Secondary Transfer High-Voltage Unit ............................................................... 12-17
12.5.1.11 Removing the Fixing Drive Unit ................................................................................................. 12-18
12.5.2 Developing Drive Unit .......................................................................................................................... 12-18
12.5.2.1 Removing the Upper Rear Cover ................................................................................................... 12-18
12.5.2.2 Removing the Lower Rear Cover .................................................................................................. 12-19
12.5.2.3 Removing the Left Upper Rear Cover ........................................................................................... 12-19
12.5.2.4 Removing the Controller Box Cover ............................................................................................. 12-19
12.5.2.5 Removing the DC Controller PCB Cover ...................................................................................... 12-19
12.5.2.6 Opening the Main Controller Box ................................................................................................. 12-19
12.5.2.7 Removing the DC Controller Mounting ........................................................................................ 12-20