Canon iR1570F, Service Manual

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Contents
9.2.1 Power Supply ..............................................................................................................................................9- 2
9.2.2 Protection Function .....................................................................................................................................9- 4
9.2.3 Backup Battery ............................................................................................................................................9- 4
9.2.4 Energy-Saving Function..............................................................................................................................9- 8
9.3 Parts Replacement Procedure ..........................................................................................................................9- 10
9.3.1 Control Panel.............................................................................................................................................9- 10
9.3.2 Analog Processor PCB .............................................................................................................................. 9- 10
9.3.3 Removing the DC Controller PCB............................................................................................................9- 12
9.3.4 Image Processor PCB................................................................................................................................9- 16
9.3.5 Printer Controller PCB .............................................................................................................................. 9- 17
9.3.6 NCU
PCB...............................................................................................................................................9- 17
9.3.7 Modular Jack PCB ....................................................................................................................................9- 18
9.3.8 Removing the Printer Power Supply PCB ................................................................................................9- 18
9.3.9 Relay PCB .................................................................................................................................................9- 23
9.3.10 Humidity Sensor......................................................................................................................................9- 25
9.3.11 Reader Unit Slide Detecting Switch........................................................................................................9- 27
9.3.12 Toner Supply Cover Switch ....................................................................................................................9- 30
9.3.13 Fans .........................................................................................................................................................9- 32
9.3.14 Motor of Main Drive Assembly ..............................................................................................................9- 36
9.3.15 Right Door...............................................................................................................................................9- 41
Chapter 10 Original Feeding System
10.1 Basic Construcion..........................................................................................................................................10- 1
10.1.1Outline .....................................................................................................................................................10- 1
10.2 Basic Operation .............................................................................................................................................10- 2
10.2.1Picking Up and Moving Originals ...........................................................................................................10- 2
10.2.2Moving Down the Original Pickup Roller and Moving Up the Original Stopper...................................10- 2
10.3 Detection Jams...............................................................................................................................................10- 4
10.3.1Outline .....................................................................................................................................................10- 4
10.3.2Types of Jams ..........................................................................................................................................10- 4
10.4 Parts Replacement Procedure ........................................................................................................................10- 6
10.4.1 ADF .........................................................................................................................................................10- 6
10.4.2 ADF Drive Unit.......................................................................................................................................10- 7
10.4.3 ADF Motor Unit......................................................................................................................................10- 9
10.4.4 Feeding Outside Guide..........................................................................................................................10- 12
10.4.5 Separation Roller Unit...........................................................................................................................10- 14
10.4.6 Separation Roller ..................................................................................................................................10- 17
10.4.7 Pickup Roller ........................................................................................................................................10- 21
10.4.8 Original Separation Pad ........................................................................................................................10- 24
10.4.9 Registration Roller ............................................................................................................................... 10- 25
10.4.10 White Roller .......................................................................................................................................10- 28
10.4.11 Feed Roller .........................................................................................................................................10- 30
10.4.12 Original Feed Roller ...........................................................................................................................10- 32
10.4.13 Original Delivery Roller......................................................................................................................10- 36
10.4.14 Original Sensor....................................................................................................................................10- 39
10.4.15 Registration Sensor .............................................................................................................................10- 42
10.4.16 Original Delivery Sensor.....................................................................................................................10- 44
10.4.17 Slide Guide..........................................................................................................................................10- 47