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
■ Check the paper transfer path.
■ Ensure there are no debris on the transfer path.
Troubleshooting Reference Table
Applicable Parts Example Print
■ Transfer Unit, PL4.1.1
■ Print Cartridge (C/M/Y/K),
PL5.1.17-20
■ HVPS, PL5.2.15
■ 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
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