Valuetoner Remanufactured Ink Cartridge Replacement for HP 56 & 57 C9321BN C6656AN C6657AN for Deskjet 5550 5650 5150, Photosmart 7350 7260 7450 7550 7760, PSC 2210 (1 Black, 1 Tri-Color, 2 Pack) Contents: 2 Pack of Remanufactured Ink cartridges Replacement for HP 56 & 57 (1 Black, 1 Tri-Color) Warranty: 24 months limited Warranty & 100% Quality Satisfaction Guarantee. If you encounter any issue, please contact seller via "ask product question" within the order section for immediate support. Color: Black, Tri-Color (Cyan, Magenta, Yellow) Page Yield: Up to 520 pages per black cartridge & 500 pages per tri-color cartridge (ONLY $0.02/page, Save up to 70% compared to OEM ink cartridge) Printer Compatibility: HP Deskjet 450 5150 5145 5652 5655 9670 9680 5550 5650 5850 9650, Digital Copier 410, Officejet 4215 4251 4252 4255 4256 4259 5510 6110 4105 4211 5505 6105, Photosmart 7760 7150 7260 7350 7450 7550 7660 7755 7960, PSC 1209 2170 2171 2179 2212 1118 1218 1340 1350 1355 2108 2150 1311 1315 2175 1110 1200 1310 2105 2210 2400 2405 2410 2420 2450 2510 2550 Printer 520 pages yield per black Ink cartridge at 5% coverage (Letter/A4) 500 pages yield per color Ink cartridge at 5% coverage (Letter/A4)