Question about HP Officejet Pro L7780 All-In-One InkJet Printer
If the printer is still under warranty contact HP. In the US call 1-800-474-6836 (1-800-HPINVENt), or for worldwide contact information see HP's contact info here.
If the printer is not currently under warranty please let us know how the printer is conected - is it USB, or wired or wireless networking? If a wired connection check the cables and make sure they are secure.
Bob Headrick, MS MVP Printing/Imaging
Posted on Aug 18, 2008
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Posted on Jan 02, 2017
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