Canon iR2422 series Service Manual page 209

Contents
9.1 Control Panel..................................................................................................................................................................9-1
9.1.1 Overview...................................................................................................................................................................................... 9-1
9.2 Fans ................................................................................................................................................................................9-1
9.2.1 Overview...................................................................................................................................................................................... 9-1
9.2.2 Fan Control .................................................................................................................................................................................. 9-1
9.3 Power Supply System ....................................................................................................................................................9-2
9.3.1 Power Supply ............................................................................................................................................................................... 9-2
9.3.1.1 Outline (When the duplex unit is not equipped) .............................................................................................................................................9-2
9.3.1.2 Outline (When the duplex unit is equipped) ...................................................................................................................................................9-3
9.3.1.3 Outline (When the duplex unit is not equipped) .............................................................................................................................................9-4
9.3.1.4 Outline (When the duplex unit is equipped) ...................................................................................................................................................9-5
9.3.1.5 Rated Output of the Power Supply PCB .........................................................................................................................................................9-6
9.3.2 Protection Function ...................................................................................................................................................................... 9-6
9.3.2.1 Protective Mechanisms ...................................................................................................................................................................................9-6
9.4 Parts Replacement Procedure.........................................................................................................................................9-7
9.4.1 External Covers............................................................................................................................................................................ 9-7
9.4.1.1 Delivery Tray ..................................................................................................................................................................................................9-7
9.4.1.1.1 Removing the Delivery Tray...................................................................................................................................................................9-7
9.4.1.2 Right Cover (Lower) .......................................................................................................................................................................................9-7
9.4.1.2.1 Removing the Right Cover (Lower)........................................................................................................................................................9-7
9.4.1.3 Right Cover (Upper) .......................................................................................................................................................................................9-7
9.4.1.3.1 Removing the Right Cover (Upper) ........................................................................................................................................................9-7
9.4.1.4 Rear Cover ......................................................................................................................................................................................................9-7
9.4.1.4.1 Removing the Rear Cover .......................................................................................................................................................................9-7
9.4.1.5 Left Cover (Lower) .........................................................................................................................................................................................9-7
9.4.1.5.1 Removing the Lower-left Cover .............................................................................................................................................................9-7
9.4.1.6 Left Cover (Rear) ............................................................................................................................................................................................9-8
9.4.1.6.1 Removing the Left Cover (Rear)............................................................................................................................................................9-8
9.4.1.7 Reader Front Cover .........................................................................................................................................................................................9-8
9.4.1.7.1 Removing the Reader Front Cover..........................................................................................................................................................9-8
9.4.1.8 Reader Rear Cover ..........................................................................................................................................................................................9-8
9.4.1.8.1 Removing the Reader Rear Cover...........................................................................................................................................................9-8
9.4.2 Main Drive Assembly .................................................................................................................................................................. 9-9
9.4.2.1 Removing the Main Drive Unit.......................................................................................................................................................................9-9
9.4.3 Fixing Drive Assembly .............................................................................................................................................................. 9-10
9.4.3.1 Removing the Fixing Drive Unit...................................................................................................................................................................9-10
9.4.4 Power Supply Unit ..................................................................................................................................................................... 9-10
9.4.4.1 Removing the Main Power Supply PCB.......................................................................................................................................................9-10
9.4.4.2 Removing the Main Power Supply PCB.......................................................................................................................................................9-11
9.4.5 Control Panel ............................................................................................................................................................................. 9-12
9.4.5.1 Removing the Operation Panel Unit .............................................................................................................................................................9-12
9.4.6 DC Controller PCB .................................................................................................................................................................... 9-12
9.4.6.1 Removing the DC Controller PCB................................................................................................................................................................9-12
9.4.6.2 Removing the DC Controller PCB................................................................................................................................................................9-12
9.4.7 Option Power Supply PCB ........................................................................................................................................................ 9-12
9.4.7.1 Removing the Option Power Supply PCB ....................................................................................................................................................9-12
9.4.7.2 Removing the Option Power Supply PCB ....................................................................................................................................................9-14
9.4.8 HVT PCB................................................................................................................................................................................... 9-15
9.4.8.1 Removing the HVT PCB ..............................................................................................................................................................................9-15
9.4.9 Fixing Heat Discharge Fan ........................................................................................................................................................ 9-15
9.4.9.1 Removing the Fan Filter (Non Duplex Unit) ................................................................................................................................................9-15
9.4.9.2 Removing the Fan Filter (With Duplex Unit Type)......................................................................................................................................9-16
9.4.10 Fixing Driver Motor................................................................................................................................................................. 9-17
Contents