Canon GP215 Service Manual page 312

10 Isolating the PCBs (FAX image fault)
A printer image is faulty.
Make a copy using the
copier only.
YES
Is the copy image normal?
NO
Execute test printing in
service mode.
YES
Is the test print
image normal?
NO
Suspect a fault in the image
formation system including
the image processor PCB.
Make a correction according
to the appropriate instructions
in the service manual.
3–258
Suspect a fault in the
reading system (mirror,
lens, CCD, analog
processor PCB, etc.). Make
a correction according to
the appropriate instructions
in the Service Manual.
Execute FAX test printing:
• trial shot
• VIDEO TEST
YES
Is the test print
image normal?
NO
Re-connect the CORE/IP
Board, FAX Motherboard,
and FAX Board.
Execute FAX test printing:
• trial shot
• VIDEO TEST
YES
Is the test print
image normal?
NO
Try replacing the FAC Suspect a fault in the party
Motherboard and the
or the line.
CORE/IP Board, which
affect printer images.
COPYRIGHT © 1996 CANON INC. CANON GP215/200 REV.0 JULY 1996 PRINTED IN JAPAN (IMPRIME AU JAPON)