Royal Copystar / Copystar Copier Toner 37015016 compatible cartridge (1-700grams cartridge)Compatible Cartridge Buy your cartridge from us and: Save up to 80% over MSRP Meet or exceed 100% OEM cartridge specifications 100% Satisfaction Guarantee Compatible Printer / Cartridge List : RC-4000d/5000d/RI4230/5230 and more This toner cartridge is a perfect replacement for the original Royal Copyster toner and guaranteed to work as well or better than the original. Remanufactured with new parts and new 100% compatible toner you can save a bundle over buying OEM Royal Copystar cartridges. RC-4000d / 5000d / RI4230 / 5230 37015016