The compatible Citizen IR-91B black printer ribbon cartridge from LD Products delivers professional quality printouts for much less than the original brand. Each compatible IR-91B is manufactured with completely new parts and tested for quality assurance. Stop paying name brand prices and start saving money today with the compatible IR-91B from LD Products. Order with LD Products and receive a 100% guarantee on the 600,000 character Citizen IR-91B printer ribbon cartridge.