Try our Carrot Ink brand of Ricoh 841647 (841735) Black Compatible toner cartridges. Our compatible toner cartridges are manufactured to meet or exceed ISO standards and will work with your compatible Ricoh printer and more as needed. This black toner cartridge comes with an estimated page yield of 28 000 pages (at 5% yield) and has similar quality to the OEM brands for less money. Our compatible toner cartridge also comes with a 1-year warranty and money back guarantee in case of any defects or quality issues. This product WILL NOT void your printer warranty.