Phaser 6500/WorkCentre 6505 Service Manual Xerox Internal Use Only 5-13
Print-Quality Troubleshooting
Black Print
The entire image is Black.
Initial Actions
• Check the media path.
• Ensure there are no debris on the transfer path.
• Print an Engine Test print (page 4-47).
24 Replace the Laser Unit. (page 8-86)
Is the image printed correctly?
Complete Replace the IP
Board
(page 8-120).
Troubleshooting Reference Table
Applicable Parts Example Print
Laser Unit Kit, PL4.1.99
HVPS, PL4.1.19
Imaging Unit, PL4.1.21
IP Board, PL8.1.7
MCU Board, PL8.2.13
Troubleshooting Procedure
Step Actions and Questions Yes No
1 Print the Gradation ESS test print
(page 5-47): Test Prin t> Toner
Gradation ESS
Is the image printed correctly?
Go to step 2. Go to step 3.
2 Print an Engine Test print
(page 4-47).
Is the image printed correctly?
Replace the IP
Board
(page 8-120).
Go to step 3.
3 Reseat the Imaging Unit.
Is the image printed correctly?
Complete Go to step 4.
4 Reseat all MCU Board connectors.
Is the image printed correctly?
Complete Go to step 5.
Troubleshooting Procedure (continued)
Step Actions and Questions Yes No
Black Print