Question about Canon PIXMA MP780 All-In-One InkJet Printer
How do i fix this error code?
I solved this on mine by removing and reinstalling the print head.
1. Remove and set aside the ink cartidges (don't make a mess)
2. lift the gray print head lock lever that is to the left of where the ink cartridges go.
3. Lift out the print head out without touching the ink ports inside, the contacts on the back, or the print nozzles on the bottom. The print head is the grey thing with circular ink ports that seat the ink cartridges. you can find good pictures in the below service manual get it it will be helpful you can download it from the below link:
Posted on Jul 31, 2013
Testimonial: "after doing what you suggested, i still get the same error code, even without putting the ink cartridges back in. i believe it is 'done for'."
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Posted on Jan 02, 2017
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