scan function doesnt work

[Chesnah]

HP Envy 7645 scanner stopped working

[Kumar0307]

@Chesnah, Welcome to the HP Support Community! I’m here to help.

I see that you are not able to scan. To assist you better,

• Which device and app are you using to scan?
• Do you get any errors?

Try making a standalone copy from the flatbed glass and check if that works. By this, we can conclude if the scanner hardware is working fine.

You may use the HP Smart app to scan.

For more info, kindly refer to - How to scan with an HP printer

Hope this helps! Let me know how it goes. 

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Have a great day!