SPEED&trade; 15 Pack Canon 250/251, Canon PGI-250 and CLI-251 Compatible Ink Cartridge - PGI-250PBK CLI-251BK CLI-251C CLI-251M CLI-251Y (3 Large Black, 3 Small Black, 3 Cyan, 3 Magenta, 3 Yellow) Canon PGI-250 ink tank contains 22ml, yields up to 300 pages per cartridge @ 5% coverage. Canon CLI-251BK Black ink tank contains 11ml, yields up to 1105 pages per cartridge @ 5. Canon CLI-251 Cyan ink tank contains 11ml, yields up to 305 pages per cartridge @ 5. Canon CLI-251 Magenta ink tank contains 11ml, yields up to 298 pages per cartridge @ 5. Canon CLI-251 Yellow ink tank contains 11ml, yields up to 298 pages per cartridge @ 5. Compatible Printers: PIXMA MX922, PIXMA MG6420, PIXMA iP7220, PIXMA MG6320, PIXMA MG5520, PIXMA MX722, PIXMA MG5420, PIXMA MG7120. Print Effectiveness: Make printing smoother, natural looking images and fewer granularities, producing best looking prints ever. Inks stop to come out automatically when printing is over. Technology: SPEED ink cartridges are adopted the leading Print Head Cleaning Technology, Print Head Testing Machine Technology, Eco Friendly Technology, Zero-energy Technology. The cartridges underwent an extensive process including, cleaning, testing the chip, ink vacuum refilling, totally pass to 27 production lines. All cartridges reach the standard when they are tested in any severe environment. Please lose sight of such as "NO INK" or "It's not the original ink cartridge" on your computer on process of SPEED items using, we make sure that all our cartridges are compatible with your printer. Please Be Assured Use.