The 6*300ML 764 Compatible Ink Cartridge with Chip is specifically designed for the HP DesignJet T3500 Printer. It is a re-manufactured product that is 100% compatible with the original cartridge. The multicolor ink cartridge features a one-time use chip and comes in a set of 6 pieces. The cartridge is filled with MK Pigment Ink for black and white prints, and dye ink for other colors. With a manufacturer warranty of 1 month and a 1:1 replacement policy for defective items, this product ensures high-quality printing results for your documents and images.