Canon PGI-7BK black inkjet cartridge for use with Pixma MX7600 printers. Canon is a giant in the ink industry and with products like the Canon PGI-7BK Black Inkjet Cartridge it is easy to see why. Providing you with the very highest level of prints ? from the first use until the last ? this cartridge is ideal for use in your personal of professional life. Ensuring that all text is highly clear, jumping off of the page to grab attention, you don?t have to worry about blurred or poorly defined prints.