Black Print - Xerox Phaser 6280 Service Manual

Print-Quality Troubleshooting

Black Print

Initial Actions
5-28
The entire image is black.
Check the paper transfer path.
Ensure there are no debris on the transfer path.
Troubleshooting Reference Table
Applicable Parts
Laser Unit, PL5.1.2
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
1. Check the Print Cartridge (C/M/Y/K)
1
for damages.
2. Is the Print Cartridge damaged?
1. Check the paper condition.
2
2. Is the paper dry, recommended
type, and loaded in the correct
position?
1. Perform Test Print (Cyan 20%,
3
Magenta 20%, Yellow 20%, and
Black 20%): Service Mode
Print.
2. Does the image quality improve?
4 1. Check the Transfer Unit for correct
installation. Reseat the Transfer Unit
(page 8-8).
2. Does the image quality improve?
Example Print
Yes
Go to step 2.
Go to step 3.
Complete.
> Test
Complete.
Phaser 6280 Color Laser Printer Service Manual
Black Print
No
Replace the
Print Cartridge
(page 8-10).
Replace the
paper.
Go to step 4.
Go to step 5.