This is a compatible Ricoh 841284 black laser toner cartridge guaranteed to perform with your Ricoh laser printer. It replaces the original Ricoh 841284 laser toner cartridge. The compatible replacement 841284 laser toner cartridges and supplies also known as generic are specially engineered to meet the highest standards of quality, reliability and exceptional yields that meet or exceed OEM Original Equipment Manufacturer standards for the 841284 Ricoh laser cartridge and offer high-quality printing results. Manufactured brand new, containing 100% new components, they are an economical alternative to expensive OEM 841284 Ricoh laser toner cartridges and supplies, and offer big savings over brand-name 841284 laser toner cartridges and supplies. The use of compatible replacement laser toner cartridges and supplies does not void your printers warranty. We offer a Two Year 100% Quality Satisfaction Guarantee on our compatible 841284 laser toner cartridges and supplies. For use in the following Ricoh Aficio, Savin, and Lanier printers MP C4000, MP C4000G, MP C4000SPF, MP C5000, MP C5000G, MP C5000SPF, C4040, MP C4501, C5501, C5050, LD540C, LD550C, C9145, 9155, LD 645C, 655C.