Canon’s BCI-6BK is a black ink cartridge that can be used to print photos and text documents on various media. The most incredible feature of this ink tank is that it can produce an incredible number of prints when used to it’s absolute optimum. Depending on the type and age of printer you could squeeze up to 2,000 A4 pages which is an outstanding number and makes this a great value cartridge. The BCI-6BK is compatible with a few different PIXMA printers so check the list below to make sure it’s right for your printer.