HP C4485, C4472, C4435 Solution 4 Clean the glass, Clean the lid backing on Clean the glass on

NOTE: There is no problem with the ink supplies and replacing the print cartridges is unnecessary.

For more information, see:

•“Recommended papers for printing and copying” on page 18

•“Information on paper” on page 98

Cause: The wrong kind of paper was loaded in the input tray.

If this did not solve the issue, try the next solution.

Solution 3: If you are making a copy, place a protective sheet on the glass

Solution: If you are making a copy, try placing one or more clear plastic sheet protectors directly on the glass, and then place the original print side down on top of the sheet protectors.

Cause: The quality of the original was poor.

If this did not solve the issue, try the next solution.

Solution 4: Clean the glass

Solution: Clean the glass and lid backing.

For more information, see:

•“Clean the lid backing” on page 68

•“Clean the glass” on page 67

Cause: Debris might be stuck on the glass or on the back of the document lid; this causes poor copy quality and slows down processing.

If this did not solve the issue, try the next solution.

Solution 5: Check the print catridges

Solution: Check the estimated ink levels in the print cartridges.

NOTE: Ink level warnings and indicators provide estimates for planning purposes only. When you receive a low-ink warning message, consider having a replacement cartridge available to avoid possible printing delays. You do not need to replace the print cartridges until print quality becomes unacceptable.

If there is ink remaining in the print cartridges, but you are still noticing a problem, print a self-test report to determine if there is a problem with the print cartridges. If the

Troubleshooting

Print quality troubleshooting 109