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Phaser 6280 Color Laser Printer Service Manual
Print-Quality Troubleshooting
Light or Undertone Print
The overall image density is too light in all colors.
Initial Actions
■
Check the paper transfer path.
■
Ensure there are no debris on the transfer path.
Troubleshooting Reference Table
Applicable Parts
Example Print
■
Transfer Unit, PL4.1.1
■
Laser Unit, PL5.1.2
■
Dispenser Assy., PL5.1.12
■
HVPS, PL5.1.17
■
Print Cartridge (C/M/Y/K),
PL5.1.18-21
■
MCU Board, PL9.1.20
■
Image Processor Board, PL9.1.27
Troubleshooting Procedure Table
Step
Actions and Questions
Yes
No
1
1. Check the Print Cartridge (C/M/Y/K)
for damages.
2. Is the Print Cartridge damaged?
Go to step 2.
Replace the
Print Cartridge
(page 8-10).
2
1. Check the paper condition.
2. Is the paper dry, recommended
type, and loaded in the correct
position?
Go to step 3.
Replace the
paper.
3
1. Perform Test Print (Cyan 20%,
Magenta 20%, Yellow 20%, and
Black 20%):
Service Mode
>
Test
.
2. Check the Print Cartridge (C/M/Y/K).
3. Is there a faint toner?
Go to step 4.
Complete.
Light or Undertone Print
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