The vertical banding on a print image may be improved by the [Drum Rotation] function.
If the [Drum Rotation] function is performed many times, the life of the drum unit may be shortened.
- Select a drum rotation level.
Printer model:
Menu > Maintenance > Drum Rotation
MF model:
Home screen > User Tools > Machine Features > Maintenance > Drum Rotation - Select a drum rotation level from the following 2 levels: Level 1 (Normal) and Level 2 (Strong).
Operation
Level 1: Photoconductor idles for 55 seconds
Level 2: Photoconductor idles for 30 seconds (for black and white vertical banding)
Effectively Prevented Problems
Level 1: Pieces of white banding (for halftone or continuous printing)
Level 2: White vertical banding (for halftone), black vertical banding, and black horizontal banding