Question about Canon PIXMA MP780 All-In-One InkJet Printer

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Canon pixma ip4300

We have had this printer for a year and has worked fine up until now. I have just changed the cartridges to compatible ones and now the orange error light is flashing. No matter what I do (ie press the reset button) it just keeps flashing and on my computer it just says operator error! I've tried taking the cartridges out and putting them in again with no luck - any ideas what it could be???

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  • hooboo Jan 20, 2008

    They were replacement cartridges with a chip which I specifically ordered so I wouldn't have to do it. I've read a bit more on the net as Canon help was useless and the number of times the orange light flashes apparently means different things. Mine is flashing on bursts of 5. I've read on the net that if you press the reset button 5 times and turn off the printer it should work. I've tried this and managed to print one sheet but I haven't tried since. Hopefully this has fixed the problem - quite how not too sure!!

  • vielebny Nov 25, 2008

    The progam doen't work. Or maybe I don't know what to do with it... :) Can you write what should we do with the downloaded ip4300xp195ea23z.exe ? 

    Thans & Cheers!



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Hi Hooboo

There is Canon Pixma ip4300 resetting software available on the net.

Posted on Sep 10, 2008

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Chips have to be reset or they will still show zero. trick with power/resume bottons just gets printer running but will no longer gauge ink level in that cartridge

Posted on Aug 23, 2008

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Did you remember to take the chip off the origial and put it on the compatible?

Posted on Jan 20, 2008

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SOURCE: canon pixma ip4300 black ink refill. BK and PB


The correct order of install a ink tank (From Left to Right):-

1. CLI-8 Black
2. PGI-5 Black (pigment)
3. CLI-8 Yellow
4. CLI-8 Magenta
5. CLI-8 Cyan

Else you can visit this link and type "correct order of ink tank" in enter your question space.

Good luck...don't forget to rate the solution.

Posted on Feb 22, 2010

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