Image Quality Problems And Solutions - Muratec MFX-C4000 Field Engineering Manual

4.2.6 Image Quality problems and solutions

1) Vertical Black Line and Vertical Black Band
Description : 1. Straight thin black vertical line occurs in the printing.
2. Dark black vertical band occur in the printing.
Check where vertical black line or vertical
black band is located.
Damaged cleaning
blade in the Imaging unit
Replace the drum cartridge and try
again to print out.
Service Manual
Alignment & Troubleshooting
YES
YES
End
NO
Replace the drum cartridge and try
4-102
[ Wrong Part ]
1. Cleaning blade
2. Charge roller
Contamination of the
charge roller in the
Imaging unit
YES
again to print out.
YES
End