Ricoh MP401SPF
Troubleshooting. When Vertical Banding is Generated
1. 8 mm
2. 8 mm
The vertical banding on a print image may be improved by the [Drum Rotation] function.
- Select a drum rotation level.
[User Tools/Counter] key > 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 half tone or continuous printing)
▪ Level 2 : White vertical banding (for half tone), black vertical banding, and black horizontal banding
Note: If the [Drum Rotation] function is performed many times, the life of the drum unit may be shortened.