Brother PC-301 Compatible Black Ribbon Cartridge - This Ribbon Cartridge is compatible with all of the following printer models: Brother FAX 750 Brother FAX 770 Brother FAX 870MC Brother FAX 910 Brother FAX 917 Brother FAX 920 Brother FAX 920 Z Brother FAX 921 Brother FAX 930 Brother FAX 931 Brother FAX 940 Brother IntelliFax 750 Brother IntelliFax 770 Brother IntelliFax 775 Brother IntelliFax 870mc Brother IntelliFax 885mc Brother MFC 970mc