Try our Carrot Ink brand of Ricoh 841649 (841737) Magenta 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 magenta toner cartridge comes with an estimated page yield of 18 000 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.