Ricoh #339599 black laser fax toner cartridge for use with Ricoh 2400L, 2700L, 3700L, 3800L, 4700L, 4800L, 3M/Lanier Fax 7560, Omnifax L525, Savinfax 3640, 3680, 3685, 3690 and 3695 Offers up to a 4,500-page yield @ 5% coverage See Product Details chart...