We have always been impressed with the high page yields offered by the Ricoh GC31 range of ink cartridges, so were keen to begin stocking a refilled alternative. Our remanufactured Ricoh 405688 uses many parts of the original cartridge and is filled with high quality black ink.With the same estimated page yield and maintaining compatibility with all the same printers, users of any of the printers listed on this page can buy the remanufactured Ricoh GC31K with confidence. Each of these remanufactured Ricoh 405688 black ink cartridges comes with a 100% satisfaction guarantee.