Canon DADF-AA1, Service Manual

Page: 70 / 110

Chapter 4
4-8
16) Remove the E-ring [1], pulley [2], gear [3], and bearing [4].
F-4-32
17) Remove the upper delivery reversal roller [1].
- Resin ring [2], 1 pc.
- Bearing [3], 1 pc.
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4.4.7 Read Roller 1
4.4.7.1 Removing the Read Roller 1
0024-7024
1) Remove the ADF from the host machine.
- Screw, 2 pcs.
2) Open the feeder cover.
3) Detach the front cover.
- Screw, 3 pcs.
4) Remove the feeder cover.
- Screw, 1 pc.
- Positioning pin, 1 pc.
5) Remove the tray holder.
- Screw, 1 pc.
6) Move to the back of the host machine and detach the rear cover.
- Screw, 2 pcs.
7) Disconnect the nine connectors [1] from the ADF driver PCB.
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8) Remove the document tray.
- Screw
- Harness guide, 2 pcs.
- Document tray harness
9) Remove the pickup/feed motor together with the support plate.
- Connector, 1 pc.
- Tension spring, 1 pc.
- Screw, 2 pcs.
10) Remove the left hinge.
- Screw, 5 pcs.
11) Remove the harness guide [1].
- Connector [2], 5 pcs.
- Screw [3], 1 pc.
- Harness
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12) Remove the pickup clutch/registration clutch support base.
- Screw, 2 pcs.
13) Remove the feed unit.
- Screw, 8 pcs.
14) Remove the metal plate [1].
- Screw [2], 3 pcs.
F-4-36
15) Remove the two timing belts.
Remove the rear cover with the two claws released.
[1] [2] [3] [4]
[1] [3] [2]
[1]
[1] [1]
[2]
[1]
[3] [2]
[1] [2]
[2]
[2]