Phaser 6180 Color Laser Printer Service Manual 5-29
Print-Quality Troubleshooting
Black Print
The entire image is black.
Initial Actions
■ Check the paper transfer path.
■ Ensure there are no debris on the transfer path.
Troubleshooting Reference Table
Applicable Parts Example Print
■ Print Cartridge (C/M/Y/K),
PL5.1.18-21
■ Laser Unit, PL5.1.2
■ MCU Board, PL9.1.20
■ Image Processor Board, PL9.1.27
Troubleshooting Procedure Table
Step Actions and Questions Yes No
1 Check the Print Cartridge (C/M/Y/K)
for damages. Is the Print Cartridge
damaged?
Go to step 2. Replace the
Print Cartridge
(page 8-9).
2 Check the paper condition. Is the
paper dry, recommended type, and
loaded in the correct position?
Go to step 3. Replace the
paper.
3 Perform Test Print (Cyan 20%,
Magenta 20%, Yellow 20%, and Black
20%): Service Mode > Test Print.
Does the image quality improve?
Complete. Go to step 4.
s6180-319
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