Canon DADF-R1, Service Manual

Page: 157 / 222

Chapter 5
5-9
5.2.4.12 Manual Feed Registration Paper
Sensor
0013-3787
1) Remove the body front cover.
2) Remove the main cover.
3) Aim a blower brush against the detecting hole of
the registration sensor on the delivery upper guide
to clean.
F-5-26
5.2.4.13 Pickup Roller
0013-3788
1) Open the pickup assembly upper cover.
2) Remove the pickup cover.
3) Clean the surface of the roller using lint-free paper
or cloth moistened with alcohol.
F-5-27
5.2.4.14 Separation Belt/Feeding Roller
0013-3789
1) Obtain a single sheet of A4 or LTR copy paper.
2) Remove the ADF controller cover, and set the DIP
switch (SW1) on the ADF controller PCB as
indicated.
F-5-28
3) Press the push switch (SW2) on the ADF
controller PCB.
- The separation assembly will start.
4) Moisten t the copy paper obtained in step 1) with
alcohol.
5) Keep the copy paper against the pickup slot to
clean.
The pull-off roller is also driven. Hold the copy
paper so that it will not be drawn to the pull-off
roller: in the case of A4, as shown in Figure A; in the
case of LTR, as shown in Figure B.
F-5-29
F-5-30
6) At the end of cleaning work, press the push switch
(SW2) once again.
- The separation assembly will stop.
Slide guide
Rail
Against the edge of
the paper.
Rail
Against
the edge of the paper.
Slide guide