This is a remanufactured cartridge for the Hewlett Packard CB403A (HP 642A) magenta laser toner cartridge. It is designed to deliver reliable performance with your HP printer, providing an economical alternative to the original HP toner cartridge. Remanufactured using both OEM and non-OEM parts, this cartridge ensures high-quality prints and meets the standards of reliability you expect. The use of this remanufactured toner cartridge does not void your printer's warranty and is backed by a 100% Quality Satisfaction Guarantee.