Canon Duplex Unit-A1, Service Manual, Page: 33 / 50

Chapter 3
3-1
3.1 Removing from the Host Machine
3.1.1 Duplex Unit
3.1.1.1 Removing the Drum Unit
0010-6344
1) Open the front cover [1].
2) Turn the developing assembly locking lever [2] clockwise to open the left
door [3].
3) Draw out the drum unit [4].
F-3-1
- When attaching or detaching the drum unit, open the left door fully to pre-
vent the damage to the drum unit.
- To prevent exposure of the drum, cover the drum unit with a few sheets of
paper and place it in a safe place.
3.1.1.2 Removing the Rear Cover
0010-6345
1) Remove the four screws [1], and then detach the rear cover [2].
F-3-2
3.1.1.3 Removing the Left Cover (Rear)
0010-6346
1) Remove the three screws [1], and then detach the left cover (rear).
F-3-3
3.1.1.4 Removing the Duplex Unit
0010-6347
1) Disconnect the relay harness [2] from the connector [1].
2) Remove the screw [3], and disconnect the ground cable [4].
3) Remove the reusable band [5] from the duplex unit harness at the rear-left
of the main body, and then return the duplex unit harness [6] to the left door
side.
F-3-4
4) Remove the four screws [1], and then remove the transfer/registration unit
[2].
F-3-5
5) Remove the six screws [1], and then remove the duplex unit [2] from the
left door.
[2]
[1]
[3]
[4]
[1]
[2]
[1]
[2]
[1]
[4] [3]
[6]
[1]
[2]
[5]
[1] [1]
[2]