COPYRIGHT © 2002 CANON INC.
2000 2000 2000 2000
CANON iR1200/iR1300 Series REV. 0 AUG. 2002
CHAPTER 7 TROUBLESHOOTING
7-44
4.2.5 The speaker fails to generate sound.
Volume setting
1) Is the volume setting in user mode menu correct?
NO:
Correct the setting.
Connector
2) Is the connection of the following connectors normal: J315 on the
image processor PCB; J401 and J404 on the control panel PCB?
NO:
Correct the connection. If the flexible cable has a scratch, replace it.
Speaker
3) Try replacing the speaker. Is the problem corrected?
YES: End.
Control panel PCB, Image processor PCB
4) Replace the control panel PCB. Is the problem corrected?
YES: End.
NO:
Replace the image processor PCB.
4.2.6 The message “CHECK TONER/DRUM CRG” fails to go OFF.
Condition of toner bottle setup
1) Is the toner bottle set in properly?
NO:
Set the toner bottle properly.
Flag of toner bottle sensor (PS11)
2) Is the flag of the toner bottle sensor (PS11) displaced or damaged?
YES: Correct it. If damaged, replace it.
High-voltage contact (between machine and cartridge)
3) Is the high-voltage spring used to supply high voltage to the car-
tridge soiled?
YES: Clean it.
High-voltage contact (between high-voltage spring and DC controller PCB; J205)
4) Is the connection between the high-voltage spring and the DC con-
troller PCB (J205) normal?
NO:
Correct the connection. If the problem cannot be corrected, replace
the faulty part.
Drum unit
5) Replace the drum unit. Is the problem corrected?
YES: End.
Developing unit, DC controller PCB
6) Replace the developing unit. Is the problem corrected?
YES: End.
NO:
Replace the DC controller PCB.
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