I had a similar experience with my printer, suddenly got the ? and error message about the black cartridge. I diddled with it for several days and finally just kept running the head cleaning on the black enough times it finally gave me the X and I w...
Thank you for your response. Unfortunately, I tried that multiple times and it didn't work for me. I did come to a solution, which was to get a full page picture of the color yellow, which was the color ink that was causing the problem. I printed th...
I am having the same issue with my MB2720 and have tried turning it off and waiting about 10 minutes, then turning it back on but still no help. Still got the "?" above what would be the yellow ink tank. Of course, I can't get to it to remove it or ...
