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DADF-H1
Canon DADF-H1 Manuals
Manuals and User Guides for Canon DADF-H1. We have
1
Canon DADF-H1 manual available for free PDF download: Service Manual
Canon DADF-H1 Service Manual (155 pages)
Brand:
Canon
| Category:
Printer Accessories
| Size: 1.92 MB
Table of Contents
Table of Contents
6
Chapter 1 General Description
10
Features
11
Specifications
12
Names of Parts
14
Exterior View
14
Cross-Sectional View
15
Chapter 2 Outline of Operation
21
Basic Configuration
22
Electrical Circuit Schematics
22
Basic Operations
25
Overview
25
Operations
27
Overview
27
Forwarding Pickup/Delivery (Single-Sided Document -> Single-Sided Print)
28
Forwarding Pickup/Reversal Delivery (Double-Sided Document -> Double-Sided Print)
29
Idle Feed/Reversal Pickup
34
Document Set Detection
36
Overview
36
Detecting the Presence or Absence of a Document in the Document Pickup Tray
38
Detecting Whether the Document Being Fed Is the Last Document or Not
39
Initial Document Size Detection (Feed Direction)
40
Initial Document Size Detection (Width Direction)
41
Final Document Size Detection
44
Document Pickup/Separation
47
Basic Pickup Operation
47
Pickup Station and Stopper
49
Pickup Timing Chart
50
Pickup Motor (M2)Control
51
Reversing
52
Operation
52
Operating Sequences
53
Document Feed/Delivery
54
Operation
54
Operating Sequence
55
Feed Motor (M1) Control
56
Jams
57
Power Supply
60
Chapter 3 Mechanical Systems
62
Basic Arrangement
63
Exterior Covers
63
Removing the ADF
63
Detaching the
64
Detaching the Rear Cover
65
Detaching the Feeder Cover
66
Removing the Feed Roller Guide
66
Drive Mechanism
67
Pickup Motor
67
Releasing the Pickup Motor
67
Mounting the Pickup Motor
68
Feed Motor
69
Releasing the Feed Motor
69
Mounting the Feed Motor
70
Disassembling the Drive Mechanism
71
Feed System
74
Feeder Cover
74
Releasing the Pickup Roller Assembly
74
Removing the Pickup Roller/Separation Roller
74
Mounting the Pickup Roller Assembly
75
Releasing the Registration Roller, Upper
76
Feed System
77
Removing the Separation Plate/Separation Pad
77
Removing the Feed Station
78
Removing the Delivery Reversal 4.4.4 Roller, Upper
79
Removing Read Roller 2
80
Removing the Platen Roller
81
Removing Read Roller 1
82
Removing the Registration Roller, Lower
83
Adjusting Platen Guide L
85
Removing the Delivery Reversal Roller, Lower
86
Detaching Read Roller 2 Roller
87
Replacing the Separation Guide Sheet
88
Electrical
89
ADF Controller PCB
89
Feed Station Sensors
89
Removing the Sensor Assembly
89
Removing Sensors
90
Document Pickup Tray Sensors
90
Removing the Document Width Detection Variable Resistor
90
Installing the Document Width Detection Variable Resistor
91
Other Sensors and Solenoids
92
Removing the ADF Open/Closed Sensor Switch
92
Removing the Cover Open/Closed Sensor
92
Removing the Document Set Sensor
92
Removing the Locking Solenoid
93
Chapter 4 Maintenance and Inspection
94
Parts Requiring Periodic Replacement
95
Expendable Parts Durability Table
95
Periodic Service List
96
Cleaning
98
Reader Station Parts
98
Document Table Glass
98
ADF Parts
98
Platen Guide
98
Blank Plate (Crimp Plate)
98
Rollers and Guides
99
Blank Paper Feed Cleaning
99
Document Pickup Tray
100
Pickup Roller, Separation Roller
100
Chapter 5 Troubleshooting
106
Specifications and Adjustments
107
Basic Adjustments
107
Height Adjustment
107
Squareness Adjustment
109
Scanning Position Adjustment
110
Horizontal Registration Adjustment
112
Trailing Registration Adjustment
119
Making Adjustments Following Replacement of Key Parts
123
Overview
123
Tray Width Detection Variable Resistor Adjustment Mode
123
Troubleshooting
125
Corrective Actions by Fault
125
E420 Lit
125
E421 Lit
125
E422 Lit
125
Black Streaks Appearing in a Printed Image in the Sub Scanning Direction
125
Electrical Parts Layout
126
Sensors
126
Motors, Clutches, Solenoids, PCB, Etc
127
Leds, Check Pins, and Switches by PCB
128
ADF Controller PCB
128
Component Layout
128
DIP Switch Function List
129
Junction PCB
132
Document Set LED PCB
133
Self-Testing
134
Overview
134
Alarms
135
Jams
135
Errors
136
Host I/O Displays
137
APPENDIX General Timing Charts
140
Flow-Scanning a Single-Sided A4 Document
140
Scanning a Double-Sided A4 Document, Face First, Back Next
141
Signal Name/Designation List
142
General Block Diagram
144
ADF Controller Block Diagram
146
Document Set Display Block Diagram
150
Junction PCB Block Diagram
150
Jam Code List
151
Solvent/Grease List
152
Special Tools List
152
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