H278AJ AC-H0278AJU Compatible With HP 78A CE278A Black Laser Toner Cartridge, 3000 Page Yield. Premium compatible replacement for HP 78A, CE278A black laser toner cartridge. This is not a remanufactured cartridge, this is built brand new with 100% new parts. Each cartridge is built to meet or exceed your printer manufacturers standards and is rigorously tested during manufacturing. By using automated filling equipment, toner hoppers are filled with premium toner, which are technically matched to meet or exceed machine manufacturers specifications. Use of this compatible replacement for the HP 78A CE278A does not void your machine manufacturers warranty. Each cartridge is rigorously tested and 100% guaranteed. For use in: CE278A, CA-128, CA-126, CA128, CA126, HP LaserJet Laser Jet M1536, MFP M1536DNF, P1560, P1566, P1606, P1606DN.