HP Officejet 4500 - Solution 7: Clean the ink cartridges

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Solution 7: Clean the ink cartridges

Clean the ink cartridges if you see the following in the diagnostic report:

Color bars: Color bars are ragged or irregularly streaked or faded; have regular,
white streaks; or are not a uniform color throughout the bar, clean the ink cartridges.

Large-font text: Letters are smeared or ragged on one end.

For instructions, see

Clean the ink cartridges


NOTE: Do not clean ink cartridges unnecessarily. Unnecessary cleaning wastes ink
and shortens the life of the ink nozzles.

If the issue persists, continue to the next step.