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3. If the problem is not resolved, remove the imaging drum from the product, and examine the
surface.
CAUTION: Do not touch the green roller. Fingerprints on the imaging drum can cause print-
quality problems.
4. If you see any scratches, fingerprints, or other damage on the imaging drum, replace the
imaging drum.
Repeating defects
If defects repeat at any of the following intervals on the page, a print cartridge or the imaging drum
might be damaged.
●
22 mm (print cartridge)
● 26 mm (imaging drum)
● 29 mm (print cartridge)
●
94 mm (imaging drum)
118 Chapter 9 Solve problems ENWW