Equivalent to CARTRIDGE 728 New Build 2,100 Yield Packaged for use in Hewlett Packard For use in FAXPHONE L170 , I-SENSYS MF 4410 , I-SENSYS MF 4430 , I-SENSYS MF 4450 , I-SENSYS MF 4450 D , I-SENSYS MF 4550 D , I-SENSYS MF 4570 DN , I-SENSYS MF 4580 DN , I-SENSYS MF 4730 , I-SENSYS MF 4750 , I-SENSYS MF 4780 DW , I-SENSYS MF 4780 W , I-SENSYS MF 4870 DN , I-SENSYS MF 4890 DW , IMAGECLASS D 550 , IMAGECLASS MF 4570 DN , IMAGECLASS MF 4750 , IMAGECLASS MF 4870 DN , L 140