Canon PGI-525 Ink Cartridge Twinpack Black. For use with Canon iP4850, MG5250, MG6150 and MG8150 printers. OEM: 4529B006AA. This twin pack of genuine Canon Pigment Black 525 Inkjet Cartridge provides a double dose of quality printing with your Canon PIXMA inkjet printer. This pigment-based black ink resists bleeding into the page and provides better light absorption, resulting in deeper, crisper blacks for impressive professional-looking documents. With Canon's proprietary ChromaLife100+ system, you get great quality that lasts for longer.