Canon DADF-P1, Service Manual

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Contents
Contents
Chapter 1 Specifications
1.1 Product Specifications ................................................................................................................................... 1- 1
1.1.1 Specifications ........................................................................................................................................... 1- 1
1.2 Names of Parts ............................................................................................................................................... 1- 2
1.2.1 External View ............................................................................................................................................ 1- 2
1.2.2 Cross-section ............................................................................................................................................ 1- 2
Chapter 2 Functions
2.1
Basic Construction
.......................................................................................................................................... 2- 1
2.1.1
Outline of Electric Circuit
........................................................................................................................ 2- 1
2.2
Basic Operation
............................................................................................................................................... 2- 1
2.2.1
Drive Mechanism and Signals
............................................................................................................... 2- 1
2.2.2
Outline of Operation Mode
..................................................................................................................... 2- 2
2.2.3
Forward Pickup/Delivery (Single-sided document > Simplex Printing) Operation
........................ 2- 2
2.2.4
Forward Pickup/Reversal Delivery (Double-sided document > Duplex printing) Operation
........ 2- 2
2.3
Document Detection
....................................................................................................................................... 2- 4
2.3.1
Outline
....................................................................................................................................................... 2- 4
2.3.2
Document Presence/Absence Detection
............................................................................................. 2- 4
2.3.3
Detection of Last Document
................................................................................................................... 2- 4
2.3.4
Initial Document Size Detection
............................................................................................................ 2- 5
2.4
Document Pickup/Separation
....................................................................................................................... 2- 6
2.4.1
Basic Pickup Operation
.......................................................................................................................... 2- 6
2.4.2
Pickup Unit and Stopper
......................................................................................................................... 2- 7
2.4.3
Pickup Timing
........................................................................................................................................... 2- 7
2.4.4
Pickup Motor (M2) Control
..................................................................................................................... 2- 7
2.5
Document Reversing
...................................................................................................................................... 2- 8
2.5.1
Basic Operation
........................................................................................................................................ 2- 8
2.5.2
Operation Sequence
............................................................................................................................... 2- 9
2.6
Document Feeding/Delivery
.......................................................................................................................... 2- 9
2.6.1
Basic Operation
........................................................................................................................................ 2- 9
2.6.2
Operation Sequence
............................................................................................................................. 2- 10
2.6.3
Feed Motor (M1) Control
...................................................................................................................... 2- 10
2.7
Detecting Jams
............................................................................................................................................. 2- 10
2.7.1
Jam
.......................................................................................................................................................... 2- 10
2.8
Power Supply
................................................................................................................................................ 2- 11
2.8.1
Power Supply
......................................................................................................................................... 2- 11
2.9 Stamp Operation ........................................................................................................................................... 2- 11
2.9.1
Outline
..................................................................................................................................................... 2- 11
Chapter 3 Parts Replacement Procedure
3.1 Removing from the Host Machine ................................................................................................................ 3- 1