Sharp Thermal Fax Ribbons FO16CR compatible cartridge (2 refill rolls)Compatible Cartridge Buy with confidence from us and: Save up to 80% over MSRP Meet or exceed 100% OEM cartridge specifications 100% Satisfaction Guarantee Compatible Printer / Cartridge List : FO-1450/1650/1850 refill roll and more FO-1450 / 1650 / 1850 refill roll SH1000R