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WorkCentre PE16
Troubleshooting
Service Manual
July 2003
7.3.7 Uneven Density
• Description Print density is uneven between left and right.
Check and Cause Solution
1. 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, or the trans-
fer roller bushing or holder is damaged.
2. The life of the Toner Unit has expired.
3. The toner level is not even on the devel-
oper roller due to the bad blade.
1. Replace both the left and right Spring
Holder.
2. Problem with the toner cartridge, replace
the toner cartridge and try to print out.
7.3.8 Background
• Description Background appears in whole area of the printing.
Check and Cause Solution
1. Recycled recording paper has been
used.
2. The life of the Developer has expired.
3. The vertical movement of the transfer
roller is too great?
4. The HVPS is normal?
(Perform Engine Test Mode diagnostic
code 4)
1. Quality is not guaranteed when using recy-
cled paper.
2. Replace the toner cartridge.
3. Clean the bush part of the transfer roller.
4. Replace the HVPS.
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