HP Photosmart C4270 All-in-One Printer - Manual (Page 102)

Colors run into each other on the printout
Cause: The print or copy quality setting is set too high for the type of paper loaded
in the HP All-in-One.
Solution: Check the quality setting. Use a lower quality setting to decrease the
amount of ink used for printing or copying.
For more information, see:
• “Change the print speed or quality” on page 32
• “Change copy speed or quality” on page 55
Cause: The paper type is not suitable for the HP All-in-One.
Solution: Use HP Premium Papers or any other paper type that is appropriate for
the HP All-in-One.
For more information, see:
“Information on paper” on page 81
Cause: You are printing on the wrong side of the paper.
Solution: Load the paper with the print side down. For example, if you are loading
glossy photo paper, load the paper with the glossy side down.
For more information, see:
“Load full-size paper” on page 21
Cause: You are using non-HP ink.
Solution: HP recommends that you use genuine HP print cartridges. Genuine HP
print cartridges are designed and tested with HP printers to help you easily produce
great results, time after time.
NOTE: HP cannot guarantee the quality or reliability of non-HP ink. Printer
service or repairs required as a result of printer failure or damage attributable to
the use of non-HP ink will not be covered under warranty.
Cause: The print cartridges need to be cleaned.
Solution: Print a self-test report to determine if there is a problem with the print
cartridges. If the self-test report shows a problem, clean the print cartridges. If the
problem persists, you might need to replace the print cartridges.
For more information on print cartridges, see
“Troubleshoot print cartridges”
on page 83 .
Printouts or copies have horizontal streaks or lines
Cause: The paper is not feeding properly or is loaded incorrectly.
Print quality troubleshooting 99
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