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oao
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Printer works but Device Manager shows it as "Unknown device" with the driver uninstalled

HP Recommended
PhotoSmart C4780
Microsoft Windows 10 (64-bit)

Having run into some printing problems, I uninstalled and reinstalled the driver.

 

The printer works, but it shows as an "Unknown device" with the driver uninstalled.

 

It shows OK under Imaging Devices and Print Queue.devmgr2.png

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