Compatible extra high yield black toner cartridge for Lexmark 55B1X00, delivering up to 20,000 pages. This cartridge is designed to perform reliably with your Lexmark laser printer and serves as a replacement for the original Lexmark 55B1X00 toner. Manufactured with 100% new components, it provides an economical alternative to expensive OEM cartridges, ensuring high-quality printing results. The use of this compatible toner cartridge does not void your printer's warranty and is backed by our 100% Quality Satisfaction Guarantee.