Our compatible 6448B001 (CLI-251XL) high-yield black inkjet cartridges for your Canon printers are manufactured to meet the same original specifications and performance standards as the Canon 6448B001 OEM cartridges. Our compatible CLI-251XL ink cartridges contain a brand new chip which allows you to track your printer ink levels. Benefit from tracking ink levels with our compatible CLI-251XL black cartridge with a smart chip. We offer a Two Year 100% Quality Satisfaction Guarantee on our compatible 6448B001 inkjet cartridges. For use in the following printers: Canon PIXMA IP7220, iP8720, iX6820, MC5420, MG5422, MG5522, MG6320, MG6420, MG7420, MX722, MX922. We are the exclusive reseller of LD Products brand of high quality printing supplies on Newegg.