COPYRIGHT © 2001 CANON INC.
2001 2001 2001 2001
CANON DADF-H1 REV.0 MAR. 2001
vi
CONTENTS
1 Parts Requiring Periodic
Replacement ....................................... 4-1
2 Expendable Parts Durability Table ..... 4-1
3 Periodic Service List ........................... 4-2
4 Cleaning .............................................. 4-4
4.1
Reader Station Parts ................... 4-4
4.1.1
Document table glass ........... 4-4
4.1.2
document table glass retainer4-4
4.2
ADF Parts .................................. 4-4
4.2.1
Platen guide ......................... 4-4
4.2.2
Blank plate (crimp plate) ..... 4-4
4.3
rollers and Guides ...................... 4-5
4.3.1
Blank paper feed cleaning ... 4-5
4.3.2
Document pickup tray ......... 4-6
4.3.3
Pickup roller, separation
roller .................................... 4-6
CHAPTER 4 MAINTENANCE AND INSPECTION
4.3.4
Separation pad, separation
plate ..................................... 4-6
4.3.5
Registration roller, upper,
registration roller, lower,
separation guide ................... 4-7
4.3.6
Delivery reversal roller, upper,
delivery reversal roller,
lower .................................... 4-7
4.3.7
Reversal flapper ................... 4-8
5 Replacement ....................................... 4-9
5.1
Replacing the Feed Roller
Guide (Dust-collecting tape) ...... 4-9
5.2
Replacing the Stamp ................ 4-10
6 Adjustment ........................................ 4-11
6.1
Adjusting the Height ................ 4-11
1 Specifications and Adjustments .......... 5-1
1.1
Basic Adjustments ...................... 5-1
1.1.1
Height adjustment ................ 5-1
1.1.2
Squareness adjustment ......... 5-3
1.1.3
Scanning position
adjustment ............................ 5-4
1.1.4
Horizontal registration
adjustment ............................ 5-6
1.1.5
Scale adjustment .................. 5-9
1.1.6
Trailing registration
adjustment .......................... 5-13
1.2
Making Adjustments Following
Replacement of Key Parts ........ 5-17
1.2.1
Overview ............................ 5-17
1.2.2
Tray width detection variable
resistor adjustment mode ... 5-17
2 Troubleshooting ................................ 5-19
2.1
Corrective Actions by Fault ..... 5-19
2.1.1
E420 lit .............................. 5-19
2.1.2
E421 lit .............................. 5-19
2.1.3
E422 lit .............................. 5-19
CHAPTER 5 TROUBLESHOOTING
2.1.4
Black streaks appearing in a
printed image in the sub
scanning direction .............. 5-19
3 Electrical Parts Layout ...................... 5-20
3.1
Sensors ..................................... 5-20
3.2
Motors, clutches, solenoids,
PCB, etc. .................................. 5-21
4 LEDs, Check Pins, and Switches
by PCB .............................................. 5-22
4.1
ADF Controller PCB ............... 5-22
4.1.1
Component layout ............. 5-22
4.1.2
DIP switch function list ..... 5-23
4.2
Junction PCB ........................... 5-26
4.3
Document Set LED PCB ......... 5-27
5 Self-Testing ....................................... 5-28
5.1
Overview .................................. 5-28
5.2
Alarms ...................................... 5-29
5.3
Jams ......................................... 5-29
5.4
Errors ....................................... 5-30
5.5
Host I/O Displays .................... 5-31
Summary of Contents for DADF-H1
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