Parts Replacement Procedure; Main Drive Assembly; Removing The Drum Unit; Removing The Rear Cover - Canon iR2020 Series Service Manual

9.4 Parts Replacement Procedure

9.4.1 Main Drive Assembly

9.4.1.1 Removing the Drum Unit

iR2016J / iR2016 / iR2020 / / iR2016i / iR2020i
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].
[4]
[3]
[2]
- 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.

9.4.1.2 Removing the Rear Cover

iR2016J / iR2016 / iR2020 / / iR2016i / iR2020i
1) Remove the four screws [1], and then detach the rear cover [2].

9.4.1.3 Removing the Left Cover (Rear)

iR2016J / iR2016 / iR2020 / / iR2016i / iR2020i
1) Remove the three screws [1], and then detach the left cover (rear).
[1]
F-9-9
[1]
[2]
[1]
F-9-10
[2]
0011-0050
[1]

9.4.1.4 Removing the Main Motor

iR2016J / iR2016 / iR2020 / / iR2016i / iR2020i
1) Disconnect the connector [1], remove three screws [2], and then remove
the main motor [3].
0011-0051

9.4.1.5 Removing the Registration Clutch

iR2016J / iR2016 / iR2020 / / iR2016i / iR2020i
1) Disconnect the connector [1], and then remove the harness from the three
wire saddles [2].
2) Remove the resin ring [3], and then remove the registration clutch [4].
0011-0052

9.4.1.6 Removing the Main Drive Unit

iR2016J / iR2016 / iR2020 / / iR2016i / iR2020i
1) Open the left door fully.
2) Remove the E-ring [1], and then remove the gear unit [2] and gear [3].
F-9-11
[1] [3]
[2]
F-9-12
[1] [4]
[2]
F-9-13
Chapter 9
0011-0053
0011-1524
[3]
0011-0055
9-5