Printronic 4 Pack Remanufactured HP 56 Ink Cartridge for PSC 1315 1210 1350 Deskjet 5550 5150 450 5650 PhotoSmart 7760 Printers (4 Black) HP 56 ink cartridge replacement. Supported Printers: HP PSC 1315 HP Deskjet 5550 HP PSC 1210 HP PSC 1350 HP Deskjet 5150 HP PhotoSmart 7760 HP Deskjet 450 HP Deskjet 5650 HP PSC 1110 HP PSC 1310 HP PhotoSmart 7660 HP PSC 2410 Supported Printers: HP OfficeJet 5510 HP PhotoSmart 7350 HP PhotoSmart 7260 HP PhotoSmart 7960 ink cartridge HP OfficeJet 6110 HP PSC 2210 HP PSC 2175 HP PhotoSmart 7450 HP PSC 2110 HP OfficeJet 4215 Supported Printers: HP PhotoSmart 7150 HP PSC 2510 HP PSC 1317 HP Deskjet 5850 HP PhotoSmart 7550 HP Deskjet 9650 HP OfficeJet 4110 HP OfficeJet 5505 HP PSC 2100 HP PSC 1315xi HP PSC 1205 and more. Supported Printers: HP PhotoSmart 7150 HP PSC 2510 HP PSC 1317 HP Deskjet 5850 HP PhotoSmart 7550 HP Deskjet 9650 HP OfficeJet 4110 HP OfficeJet 5505 HP PSC 2100 HP PSC 1315xi HP PSC 1205 and more.