Compatible HP printer models:DeskJet: 610C, 610CL, 612C, 630C, 632C, 640, 640C, 642C, 648C, 656CFax: 1010, 1010xi, 1020, 1020xi ,1040
Compatible Apollo by HP models:P-2100U, P-2150U, P-2200, P-2250, P-2500, P-2500U, P-2600