Canon i-SENSYS D450d Service Manual - page 47
Chapter 3
3-5
6) Remove the flat cable [2] to remove the control panel unit [3].
7) Remove the 4 screws [1], and detach the copyboard cover [2].
8) Remove the copyboard glass [3].
F-3-13
9) Remove the claw [1] to remove the gear [3] together with the belt [2].
F-3-14
10) Remove the 3 screws [1] to remove the shaft retainer [2], the grounding
plate [3] and the motor unit [4].
F-3-15
11) Remove the 2 screws [1] to remove the flat bed motor [2].
F-3-16
3.2.3 Contact Sensor
3.2.3.1 Removing the Contact Sensor
0020-2673
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 in the direction of the arrow.
Pull out the hinge [2] on the left side while tilting it toward the rear side.
2) Remove the 4 screws [3], and detach the copyboard glass cover [4].
3) Remove the copyboard glass cover [5].
F-3-17
4) Remove the 2 spacers [1].
5) Remove the contact sensor unit [2] upward.
Do not make dirty the bottom of the copyboard glass.
[2]
[3]
[1]
[1]
[1]
[2]
[3]
[1]
[1]
[4]
[3]
[1]
[2]
For the removed copyboard cover unit, be sure to place it above a table so
that the cable is not damaged.
Be sure not to get the bottom surface of the scanner glass soiled.
[1]
[2]
[1]
[4]
[5]
[2]
[3]
[3]