Features:

• COMPATIBILITY : The cartridge is compatible to use with multiple HP Laserjet printer models such as 9000/ 9040/ 9050/ 9050DN/ 9040DN
• COLOR : BLACK Dark Print Toner Cartridge with superior chemical toner powder, High Qulaity print and Quality control passed
• FUNCTION : Premium Quality Laser Toner Cartridge with 100% Lifetime. The page yield capacity of per cartridge is 20,000 with 5% coverage
• INSTALLATION : High Yeild and easy to Install. Firstly, remove the print cartridge from its packaging.
• Then pull the sealing tape from the end of the print cartridge to remove the entire length of tape.
• Open the top cover of the printer.Then position the print cartridge with the arrow on top of the cartridge pointing 
• the printer and slide the cartridge into the printer as far as it can go.Finally, close the top cover