After going at Lexmark, Epson and HP, I returned - weary of war - Canon: quality products, properly finished and good capacity ink cartridge for a rate that is no worse than another. In this case, for a model of the i550 series. This cartridge does the job - for family use, there are also generic excellent. Now Canon is still a manufacturer for which planned obsolescence is a goodwill: If your printer works perfectly fine but refuses to print overnight because his "counter" the internal decides without asking you review, the blog "The printer in question" could help you out, the heading "reset Canon printers" in particular. I say that, I mean nothing - googlez the site name and good reading.
