Yeah, quite a short life for such a massive heap of plastic. I've gone with a Brother Inkvestment printer as a replacement. Louder and not as fast, but I was too frustrated to give Canon more $ and take a chance on another product with such a short...
My 3-year old MB2720 just started doing the exact same thing about a week ago. I have to wonder if the latest firmware update screwed something up. Photos print fine, but black text does not print at all.
My MB2720 just started doing this exact same thing! It's only about 2.5 years old. When Printing or Copying in Standard quality, it skips two of every three lines (or so) of text. When printing in High Quality, it usually prints everything but the ...