Black Print - Xerox Phaser 6128MFP Service Manual

Print-Quality Troubleshooting

Black Print

Initial Actions
5-14
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 Kit (PL4.1.99)
HVPS Board (PL4.1.19)
Imaging Unit (PL4.1.21)
IP Board (PL10.6.6)
MCU Board (PL10.7.7)
Troubleshooting Procedure Table
Step Actions and Questions
1 Run the Gradation ESS test print:
Service Mode > Test Print> Toner
Gradation ESS
Is the image printed correctly?
2 Run the Pattern IOT test print:
Service Mode > Test Print> Toner
Pattern IOT
Is the image printed correctly?
3 Reseat the Imaging Unit.
Is the image printed correctly?
4 Reseat all MCU Board connectors.
Is the image printed correctly?
5 Reseat all IP Board connectors.
Is the image printed correctly?
6 Reseat the Laser Unit.
Is the image printed correctly?
Example Print
Yes No
Go to step 2. Go to step 3.
Replace the IP Go to step 3.
Board
(page 8-41).
Complete Go to step 4.
Complete Go to step 5.
Complete Go to step 6.
Complete Go to step 7.
Phaser 6128MFP Service Manual
Black Print