I have a canon pixma mp 780 all in one. I just replaced all of the ink cartridges except yellow. The...
(More)
I have a canon pixma mp 780 all in one. I just replaced all of the ink cartridges except yellow. The magneta (red, pink,) is not coming through. What's wrong. Also, How where can I get a repair / service manual for this?
MP780 crystal display shows my brand new 3e black to be half full before cleaning head. Computer...
(More)
MP780 crystal display shows my brand new 3e black to be half full before cleaning head. Computer screen shows it full. Does this play a part in why it continues to fail to print after cleaning and refresing head? What else can I do?