White spots or black spots at 94 mm (3.7 in.) intervals
|White Spots on black text and graphics at 3.7 in. (94 mm) intervals||Black spots at 3.7 in. (94 mm) intervals|
Make 10-15 copies of a blank, white sheet of paper.
If the problem is not solved after printing the blank pages, the drum unit may have foreign material, such as glue from a label, stuck on the drum. Clean the drum unit.
> Click here to see how to clean the drum unit.
The drum unit may be damaged.
Replace the drum unit with a new drum unit.
> Click here to see how to replace the drum unit.
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