Question about Canon Office Equipment & Supplies
The drum is not being charged. The charger corona wire is probably broken or not making good electrical contact. The charger corona wire may be part of the toner cartridge. Try uninstalling and reinstalling the toner cartridge. If that doesn’t work, try another toner cartridge.
Posted on Jun 30, 2008
You have followed the first fault find step correctly these are the next steps :
1) A poor contact exists in the developing bias contacts of the
high-voltage PCB and the print cartridge.
Clean the contacts. If they are still dirty after cleaning, or if
they are damaged, replace the print cartridge or the highvoltage
contacts. Replace the high-voltage PCB.
2) The laser/scanner unit is defective. Replace the laser/scanner for the missing color. Calibrate the printer after
replacing the laser/scanner.
3) The high-voltage PCB is defective or one of the connections
1. Check the connections.
2. Replace the high-voltage PCB.
4) The DC controller PCB is defective or the connector to the
high-voltage PCB (J1006) is disconnected or not seated
1. Upgrade the DC controller PCB firmware.
2. Check the connector (J1006) on the DC controller PCB
to make sure it is seated correctly.
3. Replace the DC controller PCB.
Calibrate the printer after replacing the
Hope that helps........
Posted on Jun 30, 2008
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Posted on Jan 02, 2017
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