Question about HP Officejet Pro L7780 All-In-One InkJet Printer
What operating system do you have? Windows 7, Vista, 8?
If you tried to install the driver from the disk that you got with the printer you may have a conflict.
Uninstall the driver, reboot the system, plug in the printer and wait, the operating system should install the needed driver. Generic
I hope this helps.
Posted on Oct 21, 2013
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Posted on Jan 02, 2017
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