Parts Replacement Procedure; Scanner Unit; Preparation For Removing The Scanner Unit; Removing The Scanner Unit - Canon i-SENSYS MF4300dn Service Manual

3.2 Parts Replacement Procedure

3.2.1 Scanner Unit

3.2.1.1 Preparation for Removing the Scanner 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) Remove the front cover.(page 9-2)Reference[Removing the Front Cov-
er]
2) Remove the right cover.(page 9-2)Reference[Removing the Right Cov-
er]
3) Remove the left cover.(page 9-3)Reference[Removing the Left Cover]
4) Remove the rear cover.(page 9-2)Reference[Removing the Rear Cover]

3.2.1.2 Removing the Scanner 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) Disconnect the 6 connectors [1], and remove the 1 screw [2] of the ground-
ing wire.
[1]
2) Remove the ferrite core [1] and the 2 flat cables [2] from the cable guide
[3].
[2]
3) Open the scanner unit [1] to remove in the direction of the arrow.
[1]
[2]
[1]
F-3-2
[1] [3]
F-3-3
0020-2576
0020-2577

3.2.2 Reader Motor

3.2.2.1 Preparation for Removing the Flat Bed Motor

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 front cover.(page 9-2)Reference[Removing the Front Cov-
er]
2) Remove the right cover.(page 9-2)Reference[Removing the Right Cov-
er]
3) Remove the left cover.(page 9-3)Reference[Removing the Left Cover]
4) Remove the rear cover.(page 9-2)Reference[Removing the Rear Cover]
5) Remove the scanner unit.(page 3-3)Reference[Removing the Scanner
Unit]

3.2.2.2 Removing the Flat Bed Motor

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 copyboard cover unit [1] to remove upward.
Pull out the hinge [2] on the left side while keeping it tilted toward the
back.
Place the detached copyboard glass cover on cloth etc. not to damage the
bottom sheet.
In the case of ADF
[2]
In the case of DADF
Chapter 3
[1]
F-3-4
[1]
F-3-5
0020-3067
0020-3066
3-3