Canon DADF-Q1, Service Manual

Page: 120 / 156

Chapter 4
4-10
F-4-28
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-4-29
F-4-30
6) At the end of cleaning work, press the push switch (SW2) once again.
- The separation assembly will stop.
4.2.4.15 Pull-Off Roller
0011-2697
1) Open the upper cover, and open the feeding guide.
2) Remove the ADF controller cover, and set the DIP switch (SW1) on the ADF controller PCB as indicated.
F-4-31
3) Press the push switch (SW2) on the ADF controller PCB.
- The separation assembly will start.
4) Clean it with lint-free paper moistened with alcohol.
Slide guide
Rail
Against the edge of
the paper.
Rail
Against
the edge of the paper.
Slide guide