Canon PIXMA MP780 All-In-One InkJet Printer
Problem for Canon PIXMA MP780 All-In-One InkJet Printer

Have changed all ink cartridges and done a deep




By mgmw on Nov 10, 2009

" "
Have changed all ink cartridges and done a deep cleaning - is showing wrong cartridge as being the problem - but all of the cartridges are correct and still not printing.

Solution #1

posted on Nov 10, 2009
Somewhat Helpful)

don_farr

Rank: Wiz  Canon Computers & Networking  Expert
Rating: 80%, 367 votes
Are you using a factory new ink cartridge?
If you are using a refilled or third party cartridge that may well be your problem. Most manufacturers build logic into their products to prevent the use of “Other Equipment Manufactured” cartridges as well as re-filled cartridges.
They do this to prevent problems from contaminated inks causing problems with print quality or damaging the physical printhead.
If you are using factory new cartridges, then please call the manufacturers Technical Support for assistance with the warranty on the cartridges
Don
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