HP-2R-304XLBK/CL_14973 - Compatible Multipack HP DeskJet 3720 Printer Ink Cartridges (3 Pack) -N9K08AE. This printer ink cartridge works with: HP DeskJet 3720, HP DeskJet 3730, HP DeskJet 3732, HP DeskJet 3733, HP DeskJet 2632, HP DeskJet 2634, HP ENVY 5020 All-in-one, HP DeskJet 3735, HP DeskJet 2633, HP DeskJet 2620, HP ENVY 5030 All-in-one, HP ENVY 5032 All-in-One, HP DeskJet 2630, HP AMP 100, HP AMP 120, HP AMP 125, HP AMP 130, HP DeskJet 2600, HP DeskJet 3750, HP DeskJet 3760, HP ENVY 5010 All-in-one, HP DeskJet 3762, HP DeskJet 3764, HP DeskJet 2622, HP ENVY 5050 All-in-one Wireless, HP DeskJet 3755, HP Envy 5034, HP Envy 5052, HP Envy 5055, HP Envy 5000, HP DeskJet 3700