The Message "Platen/Cover; Cover" Fails To Go Off - Canon iR1200 Series Service Manual

4.2.10 The message "PLATEN/COVER IS OPEN CLOSE PLATEN/

COVER" fails to go OFF.

Sensor flag
1) Is the reader unit slide detecting switch (SW1) damaged or dis-
YES: Correct it. If damaged, replace it.
Connector
2) Check the status of connection of the reader unit slide detecting
NO:
Reader unit slide detecting switch (SW1), Image processor PCB
3) Try replacing the reader unit slide detecting switch (SW1). Is the
YES: End.
NO:
COPYRIGHT © 2002 CANON INC.
placed?
switch (SW1) with the J3140 connector of the toner supply cover
open/close detecting switch (SW2). Also check SW1 connecting sta-
tus with the J314 connector on the image processor PCB. Is the
switch connected properly to both parts?
Correct the connection.
problem corrected?
Replace the image processor PCB.
2000 2000 2000 2000
CHAPTER 7 TROUBLESHOOTING
CANON iR1200/iR1300 Series REV. 0 AUG. 2002
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