These printers use the PC-301 cartridge:

Brother Fax 750

Brother Fax 770

Brother Fax 870

Brother Fax 875 MC

Brother Fax 885 MC

Brother Fax 910

Brother Fax 920

Brother Fax 921

Brother Fax 930

Brother Fax 931

Brother Fax 940

Brother Fax 945

Brother Fax 985 MC

Brother IntelliFax 750

Brother IntelliFax 770

Brother IntelliFax 775

Brother IntelliFax 775 SI

Brother IntelliFax 870

Brother IntelliFax 870 MC

Brother IntelliFax 875 MC

Brother IntelliFax 885 MC

Brother MFC 770

Brother MFC 885 MC

Brother MFC 925

Brother MFC 970

Brother MFC 970 MC

Brother MFC IntelliFax 970 MC

Brother PPF 750

Brother PPF 770

Brother PPF 870 MC

Murata-Muratec FAX 920 W