Canon CLC 5000, Service Manual

Page: 524 / 757

COPYRIGHT © 2001 CANON INC. 2000 2000 2000 2000 CANON CLC5000 REV.0 JAN. 2001
CHAPTER 5 TROUBLESHOOTING IMAGE FAULTS/MALFUNCTIONS
5-167
5.1.1 Pick-Up Assembly
1) Was the paper picked up from the cassette?
NO: Go to step 11.
Cassette
2) Is the cassette properly set in the cassette?
NO: Set the cassette properly, and check the inside of the cassette for
foreign matter.
Paper
3) Is the paper curled or wavy?
YES: Replace the paper, and advise the user on the correct method of
storing paper.
4) Try paper recommended by Canon. Is the problem corrected?
YES: Advise the user to use recommended paper.
Transparency
5) Is the transparency of the specified type, and is it oriented cor-
rectly?
NO: Advise the user to use transparencies of the specified type and to
place them correctly.
DC controller PCB, Pick-up clutch
6) Does the pick-up roller of the selected cassette pick-up assembly ro-
tate during copying?
NO: See IV. “Pick-up fails.”
Pick-up roller
7) Is the pick-up roller deformed or worn?
YES: Replace the pick-up roller.
Separation roller
8) Is the separation roller of the selected cassette pick-up assembly de-
formed or worn?
YES: Replace the separation roller.
Feeding roller
9) Is the feeding roller of the selected cassette pick-up assembly de-
formed or worn?
YES: Replace the feeding roller.
Pick-up vertical path 1, 2, 3 sensor
10) Is each of the sensors (P21, PS25, PS26) of the pick-up assembly
normal?
YES: Check each guide for foreign matter and deformation.
NO:
Check the lever and wiring; if normal, replace the sensor.