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This defect typically occurs when the print cartridge has far exceeded its rated life. For example, if you
are printing a very large quantity of pages with very little toner coverage.
1. Perform a half self-test functional check. If the drum is damaged, replace the print cartridge.
2. Run a cleaning page. If the image defect persists, replace the fuser. (See
Fuser on page 83.)
3. If the image defect persists, check the device for other sources of contamination or damage in the
paper path and clean or replace parts as necessary.
NOTE This type of image defect might also be a repetitive defect. See Repeating defects
on page 183.
White spots on black
1. Print a few more pages to see if the problem corrects itself.
2. Make sure that the type and quality of the media that you are using meet HP specifications.
(See
Media specifications on page 13.)
3. Make sure that the environmental specifications for the device are being met. (See
Operating
environment on page 246.)
4. Replace the print cartridge.
ENWW Troubleshoot print-quality problems 187