This remanufactured FJ31 cartridge is a genuine Olivetti cartridge refilled with 15ml of high quality, compatible black ink. The FJ31 is used in a range of Olivetti printers and fax machines for mono (black only) printing. Buying remanufactured Olivetti FJ31 ink cartridges is a cost effective and environmentally friendly way to run your printer. You can view a full list of compatible printers listed above. Our remanufactured Olivetti FJ31 cartridges include both VAT and postage in the price shown.