Xerox Phaser 6125

5-28 Phaser 6125/6130 Color Laser Printer Service Manual
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
■ Laser Unit Kit (PL4.1.99)
■ HVPS Board (PL4.1.19)
■ Imaging Unit (PL4.1.21)
■ IP Board (PL8.1.9)
■ MCU Board (PL8.2.13)
Troubleshooting Procedure Table
Step Actions and Questions Yes No
1 Run the Gradation ESS test print:
Service Mode > Test Print> Toner
Gradation ESS
Is the image printed correctly?
Go to step 2. Go to step 3.
2 Run the Pattern IOT test print: Service
Mode > Test Print> Toner Pattern IOT
Is the image printed correctly?
Replace the IP
Board
(page 8-60).
Go to step 3.
3 Reseat the Imaging Unit.
Is the image printed correctly?
Complete Go to step 4.
4 Reseat the connectors on the MCU
Board.
Is the image printed correctly?
Complete Go to step 5.
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