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- HP Community
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- Printer Ink Cartridges & Print Quality
- My HP office jet 6600 printer is missing lines when I print ...

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12-01-2023 11:53 AM
Hi @SR1995,
Welcome to HP Support Community.
Thank you for posting your query, I will be glad to help you.
If your HP Officejet 6600 printer is missing lines in printed and copied documents, there are several potential reasons for this issue. Here are some steps you can take to troubleshoot and resolve the problem.
Check Ink Levels:
- Make sure that the ink cartridges in your printer have sufficient ink levels. If any of the cartridges are low or empty, replace them with new cartridges.
Clean Printhead:
- Most printers, including the HP Officejet 6600, have a built-in printhead cleaning function. Consult your printer's manual or follow the on-screen instructions to perform a printhead cleaning.
Align Printhead:
- Some printers allow you to align the printhead, which can improve print quality. Check your printer's manual for instructions on how to align the printhead.
Use Genuine HP Cartridges:
- Ensure that you are using genuine HP ink cartridges. Non-genuine or third-party cartridges may not work as effectively and can lead to print quality issues.
Check for Software Updates:
- Make sure that your printer's firmware and software are up-to-date. Visit the official HP website and download the latest drivers and firmware for your printer model.
Adjust Print Settings:
- Check your print settings to make sure they are configured correctly. For example, ensure that you have selected the appropriate paper type and print quality settings.
Run Diagnostic Tests:
- Many printers have diagnostic tools that can help identify and fix print quality issues. Refer to your printer's manual for information on how to run diagnostic tests.
Inspect Paper Quality:
- Use high-quality, clean, and dry paper. Damaged or moist paper can lead to print quality problems.
Perform a Hard Reset:
- Turn off your printer, disconnect it from the power source, and wait for a few minutes. Then, reconnect the printer and turn it back on. This can sometimes resolve minor issues.
I hope this helps.
Take care and have a good day.
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Alden4
HP Support
HP Support Community Moderator