Canon DADF-Q1, Service Manual

Page: 118 / 156

Chapter 4
4-8
F-4-21
4.2.4.10 Post-Registration Roller Paper
0011-2680
Do not use a solvent (alcoholfamily or ketone family) to clean the prism face. It is made of acrylic resin, and contact with solvent can discolor it, adversely affecting
its operation.
1) Open the pickup upper cover.
2) Remove the reversing guide.
3) Clear the surface of the prism of the post-registration roller paper sensor.
F-4-22
4.2.4.11 Reversal Paper Sensor
0011-2683
1) Remove the reversing guide.
2) Remove the two screws [1], and detach the reversal sensor [2].
F-4-23
3) Clean the filter face of the reversal sensor [2] using a blower brush.
Surfaces to clean
Surfaces
to clean
[1] [1] [2]