4. Alignment and Troubleshooting
Check and cause
Solution
Transfer roller is contaminated.
Replace the transfer roller.
11)
Blank page
Description : The back of the page is stained.
Check and cause
Solution
The ground contact of the toner cartridge is bad.
Clean the ground terminal of the toner cartridge. If the
problem persists, replace the toner cartridge.
LSU is defective.
Replace the LSU.
The connection between the main board and SMPS/HVPS
board is bad.
Reconnect the harness. If the main board or SMPS/HVPS
board is defective, replace it.
12)
Partial image void
Description : The partial void occurs in the printed page.
Check and cause
Solution
The printer is not installed on flat ground.
Install the printer on flat ground. Print 10 sample pages for
test.
The developer circulation in the toner cartridge is bad.
1) Shake the toner cartridge 2~3 times from right to left.
Reinstall the toner cartridge. Print 10 sample pages
for test.
2) If the problem persists, replace the toner cartridge.
The contact between toner cartridge and transfer roller is
bad.
Check if the toner cartridge and transfer roller are installed
properly.
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