Premium Quality C8727AN Black Inkjet Cartridge compatible with the HP DeskJet 3320, 3325, 3420, 3425, 3520, 3535, 3550, 3650, 3740, 3745, 3747, 3843, 3845, 5650, 5850, OfficeJet 4310, 4315, 4350, 5600, 5605, 5608, 5610, PSC 1310, 1311. The use of compatible supplies does not void your printer warranty. Product Detail Ninestartechonline.com