5-14 Phaser 6128MFP 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 (PL10.6.6)
■ MCU Board (PL10.7.7)
Troubleshooting Procedure Table
Step Actions and Questions Yes No
1 Run the Gradation ESS test print:
Serv ice Mode > Test Pri nt> To ner
Gradation ESS
Is the image printed correctly?
Go to step 2. Go to step 3.
2 Run the Pattern IOT test print:
Serv ice Mode > Test Pri nt> To ner
Pattern IOT
Is the image printed correctly?
Replace the IP
Board
(page 8-41).
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.
5 Reseat all IP Board connectors.
Is the image printed correctly?
Complete Go to step 6.
6 Reseat the Laser Unit.
Is the image printed correctly?
Complete Go to step 7.
Black Print
To Next Page
Loading...
