5-36 Phaser 6180MFP Multifunction Printer Service Manual
Print-Quality Troubleshooting
Horizontal Band, Voids, or Streaks
There are areas of the image that are extremely light or are missing entirely.
These missing areas form wide bands which cover a wide area horizontally,
perpendicular to the paper feed direction.
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– Laser Unit, PL5.1.12
â– Print Cartridge (C/M/Y/K),
PL5.1.17-20
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%, and
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 4. Replace the
original
document.
4 1.Check the document path.
2.Are there any debris on the
document path?
Remove the
debris.
Go to step 5.
Horizontal Band, Void, or Streaks