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  1. Z

    Canon MP780 with a "wrong cartridge" error code

    I tried all the cleaning methods and ultimately bought a new printhead from Canon and that fixed my no print head problem.
  2. Z

    Canon MP780 with a "wrong cartridge" error code

    That's good to know, I'm at the point wondering should I take the plunge and invest $50 or so on a printhead only to have it not fix the problem or go buy a cheap $100 printer and call it good. Where did you get your printhead from?
  3. Z

    Canon MP780 with a "wrong cartridge" error code

    Thanks so much for taking the time to help, I will go through the steps you mentioned. I've already cleaned the contacts but will go through it again. Perhaps the locking lever is the issue I will keep that in mind. We'll see what happens.
  4. Z

    Canon MP780 with a "wrong cartridge" error code

    Thanks for you 2 Trigger, my printer is still acting up though, it will print a few pages fine then kick the "wrong cartridge" error, then I remove the cartridges and printhead, re-insert, it goes throught the auto head align print out then about half way through that it stops and kicks out the...
  5. Z

    Canon MP780 with a "wrong cartridge" error code

    Today must be my lucky day! I followed your instructions and walla, it worked! I believe removing the printhead and letting the printer ask for it then inserting it did the trick. I wasn't sure where the ink sensor was, is it on the front track or back? Regardless there was no ink anywhere to...
  6. Z

    Canon MP780 with a "wrong cartridge" error code

    My printer kicked out this code when I refilled by cartridges the last time at Cartridge World. I called Canon tech support and they said it was probably a bad cartridge as you can only refill a cartridge so many times. They suggest to buy new cartridges with the most likely culprit the black...
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