SOS. I have the ink refilled but cant get it working 'this time', alarm light is on saying 'chk ink u051 blk and color', They say you need new ink replacement but i have this refilled twice and got it going before. Please help.
I have the same problem and happened after 2nd refill
the only answers I could find was that
the copper strip with the dots could be dirty and need cleaning
It could be overfilled and need ink drawn out
It could just now be a faulty catridge
I tried the first 2 with no success but intent to keep trying to clean it and draw some more ink out even though it doesnt seem too full. If it still doesnt work I am going to just discard it and get another and keep re filling it as I have a second one that I use with no problems.
Also the printer has to be reset when a new re filled cartridge is used as it will still see it as the empty one. to do this if you dont know how.
To Reset the Canon Cartridges Works 100% Power off the printer Hold the stop/reset button then press and hold power (for 5 secs) Hold Power and release the stop/reset button Press the stop/reset button twice Relase power button Wait until the power button lights a steady/still green, press the stop/reset button three times with a 3 sec space between each press. On the 3rd press the inicator should be orange. Press the power button to set data To set data remove cartridges then replace. leave for 20 or 30 secs Press the power button again to shut down Then press power button to power up. The printer will feed one piece of paper through then set language and counrty. Then ink should be reset
My alarm kept sounding after I put in black ink and thought I had to change color ink too,I have seen answer saying I didnt need ink to fax. I seen somewhere for something to hold stop button and alarm button will go off. Good Luck!!!!
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You may need a new cartridge, that error says the ink cartridge is wrong or not installed properly. If it's a refilled cartridge it won't work, if it's a new canon cartridge, they warranty for 30 days from date of purchase.
The error usually came out after you refill ink on the black cartridge...there is no way you can make the printer work without resetting the ink cartridge..
Try to reset the printer using this procedure.. it will help. 1. turn off
the printer.. 2. press/hold the stop/reset button..and press/hold power
button too.. 3 while holding power button, release the stop/reset button..
4. then press the stop/reset button twice.. 5. release power button..and wait
until the power button lights a steady/still green and says "idle"...
6. open the cover...take out both catridges.. then turn off the printer.
7.put back the cover then turn on... 8. now put the catridges back.. and wait
for some time to return to display menu... then try to print... The printer may still prompt a "black ink volume unknown and color ink volume unknown" but don't worry that won't affect the operation of the printer. And you will able to use your printer, fax and scanner.
Do this every time you refill the ink of the cartridges.
If you find this solution helpful please vote on this on the YES below..thanks..
Same thing happened to my MP220. U051 chk Blk and Colour. I got my colour one replaced as there was an electrical fault in it. So the solution is to replace whichever one has the electrical fault or both and it works just fine. Refilling only works for a certain number of times. 4 or 5 at most and mine only lasted 1, so not always successful.
lads ye're all I work in an 'ink place' and the u051 fault is a fault indicating that the offending cartridge is electrically dead, this is caused by the clever little program in the canon machine that writes info to the cartridge to make it'dead' so it cant be re-used ! possible solution is to get refilled before printer thinks it empty !!