This is a compatible Lexmark 10B042C high yield cyan laser toner cartridge guaranteed to perform with your Lexmark laser printer. It replaces the original Lexmark 10B042C laser toner cartridge. The compatible replacement 10B042C 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 10B042C and offer high-quality printing results. Containing up to 60% new parts including OPC drums, wiper blades, and other internal parts, they are an economical alternative to expensive OEM 10B042C Lexmark laser toner cartridges and supplies, and offer big savings over brand-name 10B042C laser toner cartridges and supplies for your Lexmark printer. 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 10B042C laser toner cartridges and supplies. LD © Cartridges are manufactured in an internationally certified ISO 9002 factory. LD © cartridges come with a 100% Two Year money back guarantee and technical support. For use in the following printers: Lexmark X750e Lexmark C750, C750N, C750DTN, C750IN, C750DN, C750FN