Compatible GESTETNER 9873, INFOTEC 3683, INFOTEC 3684, INFOTEC 3684 ISDN, NASHUATEC P 594, REX 6820, RICOH FAX 1900 L, RICOH FAX 2000 L, RICOH FAX 2050 L, RICOH FAX 2900 L, RICOH FAX 2900 LI, RICOH FAX 3900 L, SAVIN SAVIN FAX 3651, SAVIN SAVIN FAX 3687, SAVIN SAVIN FAX 3720, SAVIN SAVIN FAX 3740