White spots on black
Defect description
White spots appear on a black background.
Possible causes
Operating environment or media in use does not meet HP specifications. The print cartridge needs to
be replaced.
Troubleshooting and suggestions
1. Print a few more pages to see if the problem corrects itself.
2. Make sure that the type and quality of the media you are using meet HP specifications.
3. Make sure that the environmental specifications for the device are being met.
4. Replace the print cartridge.
Scattered lines
Defect description
Lines are not sharp and precise on the printed page.
Possible causes
Operating environment or media in use does not meet HP specifications. Print settings need to be
changed.
Troubleshooting and suggestions
1. Make sure that the type and quality of the media you are using meet HP specifications.
2. Make sure that the environmental specifications for the device are being met.
3. Turn over the stack in the tray. Also, try rotating the stack 180°.
428 Chapter 6 Problem solving ENWW
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