COPYRIGHT © 1999 CANON INC. CANON imageRUNNER 400/330 REV.0 JAN. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
14-55
CHAPTER 14 TROUBLESHOOTING
Cause
Drum cartridge
Action
End.
End.
Replace the drum
cartridge.
Step
1
2
Yes/No
YES
YES
NO
Check
Execute FUNCTION>DPC>D-
GAMAM in service mode, and
make a copy of the NA-3 Chart. Is
the copy image normal?
Set '1' to OPTION>BODY>PRIAC-
SW in service mode. Make a copy of
the NA-3 Chart. Is the copy image
normal?
23 The copy has black or white dots after replacement of the drum.