The HP 49 Tri-Color Inkjet Print Cartridge yields approximately 350 pages and is compatible with the following units:

Deskjet 350c, 350cbi, 600, 600c, 610c, 610cl, 612c, 630c, 632c, 640c, 642c, 648c, 656c, 656cvr, 660c, 660cse, 670c, 670tv, 672c, 680c, 682c, 690c, 692c, 693c, 694c, 695c, 697c

Deskwriter 600, 660c, 680c, 694c

Officejet 500, 520, 570, 580, 590, 600, 610, 630, 635, 700, 710, 720

PSC 370, 380