HP LaserJet Pro CP1020 - User Guide

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, ngerprints, or other damage on the imaging drum, replace the imaging drum.
Repe
ating 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)
ENWW Improve print quality 119