On April 25, Ninestar announced the release of compatibles for Canon’s latest ink tanks: the 550/551/451/351/251/651/751 series.In the United States, these ink tanks are the CLI-251/CLI-251XL and PGI-250/PGI-250XL/PGI-255XXL, and they were introduced in December 2012 in the PIXMA iP7220, PIXMA MG5420, and PIXMA MG6320 (see “Canon Launches New Generation of Ink Tanks in PIXMA Printers”).Ninestar