Exclusive to the PIMXA inkjet business printer and office all-in-one printer, the specially formulated PGI-7 pigment black ink tank is a large capacity pigment ink tank that delivers exceptional document quality and remarkable durability. So, your documents will be long-lasting and have crisp, smudge-resistant text for professional output. Canon's individual ink system can help increase efficiency by reducing waste and saving you money since you'll only be replacing the color that runs out.