Rhinotek Computer Product, manufacturer of the RHINOTEK brand computer products, is a leader in the computer consumables industry. Under the premium RHINOTEK brand, Rhinotek manufactures and markets OEM compatible toner and inkjet cartridges, ribbons, and copier and fax supplies.This cartridge is designed for HP LaserJet 4L/4ML/4P/4MP, Canon LBP-430.