HP Photosmart C4780 Repair Forum
AskLoud ratcheting noise from printer
accepted HP Photosmart C4780 4 Answers
will not connect to a wireless network
accepted HP Photosmart C4780 4 Answers
Why is my printer stuck on the screen with the HP logo?
accepted HP Photosmart C4780 4 Answers
Paper will not feed into printer
accepted HP Photosmart C4780 4 Answers
Why it stoped using black ink for printing?
unanswered HP Photosmart C4780 0 Answers
New ink cartridge but says needs new one
accepted HP Photosmart C4780 1 Answer
My inkjet isn't being an inkjet
accepted HP Photosmart C4780 1 Answer
Why load clacking machine-gun noise when printer turned ON or OFF
unanswered HP Photosmart C4780 0 Answers
HP C4780 printing only blank pages
unanswered HP Photosmart C4780 0 Answers
HP model Photosmart 7515
unanswered HP Photosmart C4780 0 Answers
Printer will not switch on at all
unanswered HP Photosmart C4780 0 Answers
The power button will not tun on our printer?
unanswered HP Photosmart C4780 0 Answers
My printer won't print in color or scan
unanswered HP Photosmart C4780 0 Answers
paper stuck in printer, will not turn on
unanswered HP Photosmart C4780 0 Answers
My printer wont scan.
accepted HP Photosmart C4780 3 Answers