Our compatible cartridges and supplies for the Canon PIXMA TR7550 are Guaranteed to meet your high standards of quality. Our compatible ink cartridges include reset chips which show the correct ink levels in your Canon printer. The Canon PIXMA TR7550 has 5 slots for ink tanks - 4 dye-based inks, including 1 black, 1 cyan, 1 magenta, and 1 yellow - and 1 pigment-based black ink. This allows for beautiful photo prints with the dye-based inks, and laser-quality text with the pigment-based ink. This 5-ink system produces true-life photos with a wide color palette, and crisp, clear, professional texts for home and office use. The use of our compatible ink for the Canon TR7550 does not void your printer's warranty. We also carry Canon OEM (Original Equipment Manufacturer) inkjet cartridges for your Canon PIXMA TR7550 printer.