FAQs & Troubleshooting
White Spots on black text and graphics at 75 mm (2.95 in.) intervals and Black Spots at 75 mm (2.95 in.) intervals.
To solve this problem, try to print a few pages. If the problem still occurs after printing a few pages, the drum unit may have glue from a label stuck on the OPC drum surface.
Clean the drum unit as follows:
DO NOT clean the surface of the photosensitive drum with a sharp object.
If the problem still occurs even after you have cleaned the drum unit, the drum unit may be damaged. Put in a new drum unit. To see how to see replace the drum unit, click here.