Compatible chips for HP CB435A, CB436A, CE278A, CE285A, Canon 128 cartridges. Standard Yield 1.5K/2K pages.Compatible printers:HP CB435A: LaserJet P1002, P1003, P1004, P1005, P1006, P1009HP CB436A: LaserJet M1522, M1522n, M1522n MFP, M1522nf, M1522nf MFP, P1505, P1505n.HP CE278A: LaserJet Pro P1606, P1606dnHP CE285A: LaserJet Pro P1100, P1102, P1102w, M1212nfCanon 128: imageCLASS MF4570dn, MF4890dw, ImageCLASS D550, FAXPHONE L100