Scanner scanning half black and printer working fine

[adiospues]

Hello I have the HP OfficeJet Pro 7740  and the printer is working just fine but when I scan something half of it comes out black and the other half is not completely normal either. I tried unplugging. Updating software. Running the hp print and scan doctor. But nothing is helping. 

[Raj_05]

Hi @adiospues,

Welcome to HP Support Community.

Thank you for posting your query, I will be glad to help you.

It sounds like you've done a lot of the basic troubleshooting already. Here are a few additional steps you can try to address the issue.

• Clean the Scanner Glass: Sometimes, dust or smudges on the scanner glass can cause scanning problems. Gently clean the scanner glass with a soft, lint-free cloth and some glass cleaner.
• Check the Scanner Calibration: Some HP printers have a calibration feature that you can run to help fix scanning issues. Check your printer's manual or the HP software for instructions on how to perform a calibration.
• Inspect the Scanner Rollers: If there's any debris or dust on the scanner rollers, it could affect the scan quality. Make sure the rollers are clean and free from any obstruction.
• Perform a Hard Reset: Turn off the printer, unplug it from the power source, wait for about 60 seconds, and then plug it back in and turn it on.
• Update Firmware: Make sure your printer's firmware is up to date. You can check for firmware updates through the HP software on your computer or on the HP website.
• Test with Different Scanning Software: Sometimes the issue might be with the scanning software. Try using a different scanning application, such as Windows Fax and Scan or a third-party scanning app, to see if the problem persists.

If none of these steps resolve the issue, the problem might be related to a hardware fault in the scanner mechanism itself.

I hope this helps.

Take care and have a good day.

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Alden4

HP Support