There may be zero information on my Associate Support site. The Deskjet printers are usually return to HP for service or alternative. So if You can't obtain some thing jammed underneath the cartridge or even the encoder strip isn't dislodged or filthy(apparent mylar with grid pattern printed on it that http://kameronzryio.designi1.com/9763971/the-definitive-guide-to-canon-help-number