HP 56 ink cartridges work with:
HP Deskjet 450ci, 450cbi, 450wbt; HP Deskjet 5145, 5150, 5151, 5550, 5552; HP Deskjet 5650, 5652, 5655; HP Deskjet 5850; HP Deskjet 9650, 9670, 9680, 9680gp; HP Digital Copier 410; HP Officejet 4105, 4110; HP Officejet 4212, 4215, 4219, 4252, 4255; HP Officejet 5505, 5510, 5515; HP Officejet 5605, 5607, 5610, 5615; HP Officejet 6110; HP PSC 1110, 1200, 1205; HP PSC 1210, 1213, 1215, 1217, 1219; HP PSC 1310; HP PSC 1311, 1312, 1315, 1315s, 1317; HP PSC 1340, 1350, 1355; HP PSC 2105, 2108, 2110, 2115, 2171, 2175, 2179, 2210; HP PSC 2410, 2510; HP Photosmart 7150, 7260, 7345, 7350, 7450, 7459, 7550, 7655; HP Photosmart 7660, 7755, 7760, 7762, 7960, 7960gp