Sharp FO-1660 fax ribbon replacement cartridges from Jolek are a genuine cost effective replacement cartridge for your Sharp FO-1660 printer, Sharp multi function machines and Sharp faxes. All of our Sharp FO-1660 toner cartridges are re-manufactured to closely match OEM specifications or exceed Sharp original manufactured supplies output page performance allowable by after market chip technology. All of our Sharp FO-1660 supplies include a 100% quality and satisfaction warranty.