Image Problem: Dirty Background.

Trouble Shooting

StepsCauseSolutionParts
1There is dirt in the paper pathWipe off the dirt. Please refer to the spacing of the various rollers in the image.
2There is dirt on the heating roller of the fuser.Replace the fuser.Fuser
AM4XA (002-B209-0-SP)
AM4XA plus (002-C123-0-SP)
3There is dirt on the surface of the OPC(Organic Photo Conductor) or the drum is damaged.Replace the drum unit.
<Video Link>
Drum unit (015-0333-22)
4The toner cartridge near end of life.Replace the toner cartridge.
<Video Link>
Toner (015-0292-22)

 The spacing of various rollers in the image

Periodic image defects can be caused by defects in various rollers. Refer to the table below to determine the cause of the defect based on the diameter of the various rollers or the spacing in the image.

The name of the part The spacing in the image
Development roller (toner). 33.1 mm
Drum Unit (OPC). 75.4 mm
Heating roller in the fuser. 63.58 mm