Blake Printing Supply 12 Pack Compatible Ink Cartridges for PIXMA iP8720, MG6320, MG7120, MG7520 Blake Printing Supply  12 Pack Compatible Ink Cartridges for PIXMA MG6620 PIXMA MG6320, PIXMA MG7120, PIXMA iP8720, PIXMA MG6620, PIXMA MG7520 2 Small Black, 2 Cyan, 2 Gray, 2 Magenta, 2 Yellow, 2 Big Black Premium Blake Printing Supply brand of cartridges. CLI-251BK, CLI-251BK XL, CLI-251C XL, CLI-251C, CLI-251GY, CLI-251GY XL, CLI-251M, CLI-251M XL, CLI-251Y, CLI-251Y XL, PGI-250BK, PGI-250BK XL, 251, 550, CLI-251, CLI-251XL, PGI-550, PGI-550XL PIXMA iP8720 PIXMA MG6320 PIXMA MG7120 PIXMA MG7520