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×InformationNeed Windows 11 help?Check documents on compatibility, FAQs, upgrade information and available fixes.
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×InformationNeed Windows 11 help?Check documents on compatibility, FAQs, upgrade information and available fixes.
Windows 11 Support Center. -
- HP Community
- Printers
- Printing Errors or Lights & Stuck Print Jobs
- HP DESKJET 4645 print issue

Create an account on the HP Community to personalize your profile and ask a question
05-09-2020 03:56 AM
Hi @Wong1111
Welcome to the HP Support Community. I'd be happy to assist you.
I see that the print quality is not good. Let us try these steps to resolve this issue:
Check the ink levels, and then replace any low or empty ink cartridges
Use an automated tool to clean the printhead
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On the printer control panel, press the Down Arrow
to select Tools, and then press OK.
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Press the Down Arrow
to select Clean Printhead, and then press OK. The printer cleans the printhead, and then prints a printhead test page.
Note: You may need to run the cleaning process twice or thrice to resolve the issue.
Perform step 6 from this document.
Try printing the print quality page again to check the difference.
Hope this helps! Keep me posted.
Please click “Accept as Solution” if you feel my post solved your issue, it will help others find the solution.
Click the “Kudos, Thumbs Up" on the bottom right to say “Thanks” for helping!
Have a great day!
KUMAR0307
I am an HP Employee