Canon DADF-J1 Service Manual page 7

2.8 Reversal Pickup/Delivery ............ 2-63
2.8.1 Outline ................................... 2-63
2.8.2 Operations ............................. 2-63
2.8.3 Controlling the Reversal
Motor (M1) ........................ 2-67
2.8.4 Sequence of Operations
(large-size, double-sided) ... 2-69
CHAPTER 3 MECHANICAL SYSTEMS
1 Basic Construction .............................. 3-1
1.1 External Covers ............................ 3-1
1.1.1 Disconnecting the DADF ........ 3-1
1.1.2 Removing the Front Lower
Cover .................................... 3-2
1.1.3 Removing the Front Cover ...... 3-2
1.1.4 Removing the Main Cover ...... 3-3
1.1.5 Removing the Original Tray ... 3-5
1.1.6 Removing the Upper Cover .... 3-5
1.1.7 Removing the ADF
Controller Cover .................. 3-6
1.1.8 Side Guide Lock ...................... 3-6
2 Drive System ....................................... 3-7
2.1.1 Removing the Reversal
Motor Unit ........................... 3-7
2.1.2 Removing the Separation
Motor Unit ........................... 3-7
2.1.3 Removing the Pickup
Motor Unit ........................... 3-8
2.1.4 Removing the Belt Motor
Unit ...................................... 3-9
2.1.5 Removing the Delivery
Motor ................................. 3-10
CHAPTER 4 MAINTENANCE AND INSPECTION
1 Periodically Replaced Parts ................. 4-1
2 Durables ............................................... 4-1
3 Scheduled Servicing Chart .................. 4-2
4 Cleaning ............................................... 4-4
4.1 Copyboard Glass ........................... 4-4
4.2 Belt Assembly ............................... 4-4
4.3 Sensors .......................................... 4-5
COPYRIGHT© 2001 CANON INC.
2.9 Manual Feeder Pickup/
Delivery .................................... 2-71
2.9.1 Operations ............................. 2-71
2.9.2 Sequence of Operations ........ 2-73
3 Jams ................................................... 2-74
4 Power Supply ..................................... 2-81
3 Feeding System .................................. 3-12
3.1.1 Removing the Delivery
3.1.2 Removing the Pickup
3.1.3 Removing the Separation
3.1.4 Removing the Manual Feed
3.1.5 Removing the Feeding
3.1.6 Removing the Registration
3.1.7 Removing the Separation
3.1.8 Removing the Reversing
4 Replacing the Feeding Belt ............... 3-30
4.1.1 Removing the Feeding Belt ......... 3-30
4.1.2 Attaching the Feeding Belt .......... 3-32
4.3.1 Pre-Last Original Paper
4.3.2 Original Trailing Edge
4.3.3 Original Sensor ....................... 4-5
4.3.4 Separation Paper/Skew
CANON DADF-J1 REV.0 MAR. 2001
INTRODUCTION
Roller ................................. 3-12
Roller ................................. 3-14
Roller ................................. 3-16
Registration Roller ............. 3-20
(pull-off) Roller .................. 3-22
Roller ................................. 3-23
Belt .................................... 3-25
Roller ................................. 3-28
Sensor .................................. 4-5
Sensor .................................. 4-5
Paper Sensor ........................ 4-6
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