Canon iR1200 Series Service Manual page 119

Contents
4.1 Construction ....................................................................................................................................................... 4-1
4.1.1 Major Components ...................................................................................................................................... 4-1
4.2 Parts Replacement Procedure............................................................................................................................. 4-2
4.2.1 Reader Unit.................................................................................................................................................. 4-2
4.2.1.1 Removing the Rear Cover .................................................................................................................... 4-2
4.2.1.2 Removing the Right Cover................................................................................................................... 4-2
4.2.1.3 Removing the ADF............................................................................................................................... 4-2
4.2.1.4 Removing the Printer Controller PCB.................................................................................................. 4-3
4.2.1.5 Removing the Image Processor PCB ................................................................................................... 4-3
4.2.1.6 Removing the Control Panel ................................................................................................................ 4-4
4.2.1.7 Removing the Reader Unit ................................................................................................................... 4-4
4.2.2 Copyboard glass .......................................................................................................................................... 4-5
4.2.2.1 Removing the Copyboard Glass........................................................................................................... 4-5
4.2.3 Sensor PCB.................................................................................................................................................. 4-5
4.2.3.1 Removing the Rear Cover .................................................................................................................... 4-5
4.2.3.2 Removing the Right Cover................................................................................................................... 4-6
4.2.3.3 Removing the ADF............................................................................................................................... 4-6
4.2.3.4 Removing the Copyboard Glass........................................................................................................... 4-7
4.2.3.5 Removing the Sensor PCB ................................................................................................................... 4-7
4.2.4 Scanner Motor ............................................................................................................................................. 4-7
4.2.4.1 Removing the Copyboard Glass........................................................................................................... 4-7
4.2.4.2 Removing the Reader Motor Drive Unit .............................................................................................. 4-8
4.2.5 Contact sensor ............................................................................................................................................. 4-8
4.2.5.1 Removing the Copyboard Glass........................................................................................................... 4-8
4.2.5.2 Removing the Contact Sensor .............................................................................................................. 4-8
Contents