Table Of Contents - Canon A1 Service Manual

Contents
Chapter 1 Specifications
1.1 Product Specifications ....................................................................................................................................... 1- 1
1.1.1 Specifications ............................................................................................................................................. 1- 1
1.2 Names of Parts................................................................................................................................................... 1- 3
1.2.1 External View............................................................................................................................................. 1- 3
1.2.2 Cross Section .............................................................................................................................................. 1- 4
Chapter 2 Functions
2.1 Basic Construction ............................................................................................................................................ 2- 1
2.1.1 Basic Construction ..................................................................................................................................... 2- 1
2.2 Basic Operation ................................................................................................................................................. 2- 3
2.2.1 Delivery to the No. 1 Delivery Slot............................................................................................................ 2- 3
2.2.2 Delivery to the No. 2 Delivery Slot............................................................................................................ 2- 4
2.2.3 Delivery to the No. 3 Delivery Slot............................................................................................................ 2- 5
2.2.4 Movement of Paper in Duplex Mode ......................................................................................................... 2- 6
2.3 Detecting Jams .................................................................................................................................................. 2- 7
2.3.1 Arrangement of Sensors ............................................................................................................................. 2- 7
2.3.2 Delay Jam ................................................................................................................................................... 2- 7
2.3.3 Stationary Jam ............................................................................................................................................ 2- 8
2.3.4 Stationary Jam and Cover Open Jam at Power-On .................................................................................... 2- 8
Chapter 3 Parts Replacement Procedure
3.1 Removing from the Host Machine .................................................................................................................... 3- 1
3.1.1 3 Way Unit .................................................................................................................................................. 3- 1
3.2 Drive System ..................................................................................................................................................... 3- 4
3.2.1 Delivery Motor 2......................................................................................................................................... 3- 4
3.2.2 Delivery Motor 3......................................................................................................................................... 3- 6
3.3 Document Feeding System.............................................................................................................................. 3- 10
3.3.1 Delivery Roller 2....................................................................................................................................... 3- 10
3.3.2 Reversing Roller ....................................................................................................................................... 3- 13
3.3.3 Delivery Roller 3....................................................................................................................................... 3- 16
3.3.4 Duplexing Inlet Roller .............................................................................................................................. 3- 20
3.3.5 Inlet Roller ................................................................................................................................................ 3- 22
3.4 Electrical System ............................................................................................................................................. 3- 27
3.4.1 Delivery Sensor 2...................................................................................................................................... 3- 27
3.4.2 Delivery Tray 2 Paper Level Sensor ......................................................................................................... 3- 30
3.4.3 Reversal Sensor......................................................................................................................................... 3- 33
3.4.4 Duplexing Inlet Sensor ............................................................................................................................ 3- 35
3.4.5 Delivery Sensor 3...................................................................................................................................... 3- 38
3.4.6 Delivery Solenoid 1 .................................................................................................................................. 3- 40
3.4.7 Delivery Solenoid 2 .................................................................................................................................. 3- 41
3.4.8 Delivery Solenoid 3 .................................................................................................................................. 3- 41
3.4.9 3 Way Unit Controller PCB ...................................................................................................................... 3- 42
Contents