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I have a Cannon Multi Pass MP730 Printer. I have an alarm flashing on the screen that says Wrong Cartridge even though I have all correct Cannon cartridges in the printer. I have loaded them several times and still it won't shut off is there a way to shut this off?

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  • jburnside Apr 24, 2010

    I have a Cannon Multi Pass MP730 Printer. I have an alarm flashing on the screen that says Wrong Cartridge I just tried removing and cleaning the print head and have loaded them and restarted the printer and it still says Wrong Cartridge. I have loaded them several times and still it won't shut off is there a way to shut this off?

  • jburnside Apr 24, 2010

    Thanks very much I tried your solution and it is still saying Wrong Cartridge.

    The cartridges are all correct, so I will contact Cannon.



  • jburnside Apr 24, 2010

    No solutions didn't work I am going to have to contact Cannon.

    Thanks for trying


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Unplug the printer from the power, remove the 4 ink tank/cartridges.
Wait for a few minutes then plug the printer back in but do not insert the tanks.

That error is telling you that you have one of the cartridges in the wrong place or the cartridge is meant for a differant model. Check the label on the front bottom of the carrier it should show you the correct location. If this is the case then you may need to run a few clean cycles or put up with some funny colors for a while if the wrong ink was instroduced into the system. Won't hurt anything but will make for incorrect colors during printing.

Double check the cartrdige numbers for you machine they should be
a BCI-3eBk (black) a BCI-3eC (Cyan), a BCI-3eM (Magenta) and a BCI-3eY (Yellow)

Sometimes you can have one cartridge not inserted correctly and this will also cause this error. It may be in the right place but just not seated.

If this doesn't clear the error you need to contact Canon support as you may have a problem with the print head assembly. Just go to click on support and then chose support by phone or email. They will be able to tell you if the 730 requires a trip to the repair depot.

Posted on Apr 24, 2010

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Removed the ink tanks and the print head. The print head area was all gonked up with ink as well as the flanges the print head sits on (still in the printer). DO NOT dunk the print head in water.

The refill ink package comes with printhead and cartridge cleaner -- smells like alcohol, but who knows. Use that and a combination of Q-tips and kleenex to clean any ink away from the print head and nearby surfaces. Drip some cleaner into the print head holes the ink tanks plug into and then dried off the whole print head assembly.

Follow the steps below:

1. Put the cartridges-leaver up and removed the 4 ink-cartridges.

2. Remove the print-head which is not screwed or hard-attached so all you have to do is carefully take it out of its place (I suggest directing a strong light to this area to understand the parts beeing touching).

3. once outside, the print-head had no ink on the black-cartridge touching area which i believe due to a problem in the black-ink cartridge, since all the other 3 contact areas had a good amount of ink. I assumed that the black-cartridge was not delivering ink which leads to the machine error and forced by hand some black-ink to this area and replacing the black-cartrige by a new one.

4. Put everything back together and turn it on. The printer will cycle itself, remove the "wrong cartridge" message and stood ready for me to print. Finish.

Thank you and good luck!

Posted on Apr 24, 2010

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