5-52 Phaser 6180MFP Multifunction Printer Service Manual
Print-Quality Troubleshooting
Background Contamination
There is toner contamination on all or most of the page. The contamination
appears as a very light gray dusting.
Initial Actions
â– Check the paper transfer path.
â– Ensure there are no debris on the transfer path.
Troubleshooting Reference Table
Applicable Parts Example Print
â– Transfer Unit, PL4.1.1
â– Print Cartridge (C/M/Y/K),
PL5.1.17-20
â– HVPS, PL5.2.15
â– Scanner Controller Board, PL9.1.1
Troubleshooting Procedure Table
Step Actions and Questions Yes No
1 1.Perform Test Print (Cyan 20%,
Magenta 20%, Yellow 20%, or Black
20%): Service Mode > Printer Diag
> Test Print.
2.Does the error still occur when
printing?
Go to step 6. Go to step 2.
2 1.Perform a copy job.
2.Does the error still occur when
copying?
Go to step 3. Complete.
3 Is the original document normal? Go to step 5. Replace the
original
document.
4 1.Check the Scanner Controller Board
wiring harness connectors P/J64
and P/J65. Reseat the connectors.
2.Does the image quality improve?
Complete. Go to step 5.
Background Contamination