Adf/Dadf; Pick-Up Roller; Removing The Adf Pickup Roller; Removing The Dadf Pickup Roller Unit - Canon i-SENSYS MF4300dn Service Manual

Chapter 4

4.3 ADF/DADF

4.3.1 Pick-up Roller

4.3.1.1 Removing the ADF Pickup Roller

i-SENSYS MF4300dn / i-SENSYS MF4350d / i-SENSYS MF4380dn / i-
SENSYS MF4310/4318 / i-SENSYS MF4320d / i-SENSYS MF4330d / i-
SENSYS MF4340d / i-SENSYS D450d / i-SENSYS MF4370dn
1) Remove the shaft [1] with a screwdriver to remove the ADF pickup unit
[2].
[2]
[1]
2) Remove the 2 shafts [1] with a screwdriver to remove the upper pickup
unit [2].
[1]
3) Remove the 2 claws [1] to remove the 2 gears [2].
[1] [2]
Points to Note when Attaching
Match the gear [1] with the D cut surface of the ADF pickup roller shaft [2].
4-6
[1]
F-4-9
[2]
[1]
F-4-10
[2] [1]
F-4-11
0020-3069
[2]
4) Remove the 2 bushings [1].
5) Remove the 1 E ring [2] to remove the ADF pick-up roller shaft [3].
[1]
6) Remove the 1 E ring [1] to remove the ADF pickup roller [2].
Do not touch the roller with bare hands.
[1]

4.3.1.2 Removing the DADF Pickup Roller Unit

i-SENSYS MF4300dn / i-SENSYS MF4350d / i-SENSYS MF4380dn / i-
SENSYS MF4310/4318 / i-SENSYS MF4320d / i-SENSYS MF4330d / i-
SENSYS MF4340d / i-SENSYS D450d / i-SENSYS MF4370dn
1) Open the DADF upper cover [1].
[1]
[1]
[2]
[3]
F-4-12
[2]
F-4-13
0020-2678