To assist better-
1) Does the copy print out the same way?
2) What's the application you are trying to print from? Have you tried printing from a different application or device?
While you respond to that, let's print a Print Quality Diagnostic page -
Load plain white paper into the input tray.
On the printer control panel, touch the Right Arrow (
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) to display more options.Touch Setup (
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). The Setup Menu displays.Touch the Down Arrow (
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), and then touch Reports.Touch Print Quality Report. The test page prints.
) to display more options.
). The Setup Menu displays.
), and then touch Reports.Post the Print Quality Diagnostic page here so we can help you further.
You may also refer to this document with steps to fix the " Print Quality Issues" issue applicable for your printer - No black ink, wrong colors, other print quality issues
Also, try updating the printer's firmware - HP Printers - Updating or Upgrading Printer Firmware
Hope this helps! Keep me posted.