Buy our toner cartridges and printer supplies compatible with your HP Laserjet 2420DN printer. We guarantee your complete satisfaction.CartridgeHub ink cartridges and laser toner cartridges offer substential savings up to 70% off original factory ink and toner cartridges from the retail stores.We offer OEM and Remanufactured HP Q6511A , Q6511X , cartridges. Our products are specifically designed for your HP Laserjet 2420DN printer model. Please make sure to find your exact printer model before purchasing a product.