Rollers And Guides; Blank Paper Feed Cleaning - Canon DADF-H1 Service Manual

4.3 rollers and Guides

4.3.1 Blank paper feed cleaning

To clean internal ADF rollers (read roller 1,
read roller 2), feed blank paper with the
host set in service mode upon each passage
of 40,000 sheets.
1) Set 10 A4-sized sheets of blank paper in
the document pickup tray.
2) Detach the rear cover.
3) Set the DIP switch (DSW1) on the ADF
controller PCB as illustrated and press
the push switch (PSW1), and the ADF
will deliver all blank sheets from the
document pickup tray before it comes to
a halt.
4) Repeat the above sequence five times.
COPYRIGHT © 2001 CANON INC.
CHAPTER 4 MAINTENANCE AND INSPECTION
2000 2000 2000 2000 CANON DADF-H1 REV.0 MAR. 2001
LED2
LED1
DSW1
PSW1
F04-403-01
LED4
LED3
4-5