This is a remanufactured PSI 18904 black laser toner cartridge designed for use with PSI laser printers. It offers a standard yield and is an economical alternative to the original PSI 18904 toner cartridge. Constructed with up to 60% new parts, including wiper blades and other internal components, it ensures reliable performance and high-quality printing results. The use of remanufactured cartridges does not void your printer warranty. Backed by our 100% Quality Satisfaction Guarantee.