4. Troubleshooting
7)
Uneven Density
Description : Print density is uneven between left and right.
Check and cause
Solution
•
The pressure force on the left and right springs of the
transfer roller is not even.
•
The springs are damaged.
•
The transfer roller is improperly installed.
1) Remove the transfer roller Assy.
2) Check if the transfer roller Assy has any wrong part.
3) Replace the transfer roller Assy.
The toner level is not even on the imaging unit roller due
to the bad blade.
Replace the laser toner cartridge or imaging unit.
8)
Background
Description : Light dark background appears in whole area of the printing.
Check and cause
Solution
Does recycle paper be used?
Use the proper papers.
The life of the imaging unit has been expired
Replace the laser toner cartridge or imaging unit.
The output from the HVPS is abnormal.
Replace the HVPS board.
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