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New Contributor
cmgeorgia
Posts: 1
Registered: ‎04-01-2013

Printer error message: UO43 ink not recognized

I have a pixma mx870 all-in-one printer.  I just replaced my ink cartridges using new genuine canon ink cartridges.  I am receiving an lcd error message: UO43 ink cartridge could not be recognized.  I tried unplugging the printer for 10 minutes.  Any suggestions?

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Product Expert
Michael
Posts: 715
Registered: ‎10-16-2012

Re: Printer error message: UO43 ink not recognized

Hello cmgeorgia.

 

We would like some additional information to try and resolve the error.    Please document which ink tank is mentioned in the error as unrecognized.

 

Next, please open the cover and wait for the tanks to stop at the center.   Once there, document the exact label of each ink tank from left to right.

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New Contributor
fayjohnson
Posts: 2
Registered: ‎04-21-2013

Re: Printer error message: UO43 ink not recognized

I am experiencing the same problem.  I took out the empty color cartridges because I only use it on black and threw them away.  I have put one of the large black cartridges 220 in the large space.  All I get is the error message UO43 and the alarm goes off   "Cartridge not recognized"  Very frustrating  HELP I HAVE NO PRINTER.  Thank you.

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Product Expert
Karl1
Posts: 286
Registered: ‎01-16-2013

Re: Printer error message: UO43 ink not recognized

Hi fayjohnson,

 

Unfortunately the pritner will not work in this manner.  Since the printer is considered a color printer and not a monochrome printer, it must have the color and black ink both.  If the printer detects that a color is in place of a black or vice versa it will give this error until you put in the appropriate ink tank.

 

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New Contributor
fayjohnson
Posts: 2
Registered: ‎04-21-2013

Re: Printer error message: UO43 ink not recognized

THE BLACK IS IN THE CORRECT SLOT.  iT IS JUST THAT THE COLOR TANKS ARE NO LONGER PRESENT.  aRE YOU SAYING THAT THERE HAVE TO BE COLOR TANKS IN THERE FOR THE BLACK TO WORK?  whAT A WASTE OF MONEY,

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New Contributor
jcastron
Posts: 1
Registered: ‎09-29-2014

Re: Printer error message: UO43 ink not recognized

I have same problem on MX892, inserted refilled cartridges
( small black on left and yellow on far right) red light comes on when installed,close cover and get not recognized message. Open cover and those two lights are off?? Brought back to Cosco, told them,they reset them,tried again at home...still NG????
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Product Expert
Ramona
Posts: 621
Registered: ‎10-17-2012

Re: Printer error message: UO43 ink not recognized

Hi fayjohnson,

 

Yes, the printer requires that all ink tanks be installed in their correct slots in order for the printer to work, even if some of the ink tanks are low or out of ink.  

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Product Expert
Ramona
Posts: 621
Registered: ‎10-17-2012

Re: Printer error message: UO43 ink not recognized

Hi jcastron,

 

Sometimes during the ink refill process, the original ink tanks can be damaged and not function properly once reinstalled in the printer. In these instances, there is not a way that we can force the printer to recognize the ink tanks; they will need to be replaced.  Replacing the ink tanks with new Canon genuine ink tanks should resolve the issue you are experiencing. 

 

This didn't answer your question or issue? Please call or email us at one of the methods on the Contact Us page for further assistance.

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