COPYRIGHT © 1999 CANON INC. CANON GP160 REV.0 FEB. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
CHAPTER 13 TROUBLESHOOTING
13-31
9
Speaker does not operate
Cause
Volume setting
Faulty connec-
tor connection
Speaker
Image proces-
sor PCB
Steps
1
2
3
Yes/No
NO
NO
YES
NO
Action
Reset the volume.
Connect it properly.
End
Replace the image
processor PCB.
Checks
Is the speaker volume in the user
mode set appropriately?
Is connector J211 on the image
processor PCB properly connected?
Is the trouble resolved when the
speaker is replaced?
10 The “Set cartridge” indicator does not go out
Cause
Cartridge
High-voltage
contact point
pin (Main unit
and cartridge)
High-voltage
contact point
pin (DC con-
troller PCB)
DC controller
PCB
Steps
1
2
3
Yes/No
YES
YES
YES
NO
Action
End
Clean the Main unit or
cartridge high-voltage
contact point pin.
Repair it.
Replace the DC con-
troller PCB.
Checks
Is the trouble resolved when the car-
tridge is replaced?
Is there any dirt, such as toner, on
the Main unit or cartridge high-volt-
age contact point pins?
Is the DC controller PCB high-volt-
age contact point pin deformed?
Summary of Contents for GP160DF
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