RHINOTEK Inkjet & Laser cartridges are the preferred brand of digital photographers. RHINOTEK was voted one of Industry Week' "Top 25 Manufacturers" and won the Ernst & Young' "Entrepreneur of the Year Award." RHINOTEK products are backed by a 100% QUALITY GUARANTEE and always meet or exceed the performance of the Original Equipment Manufacturers (OEMs)! RHINOTEK donates a portion of all sales profits to the LEWA Wildlife Conservancy, a non-profit 55,000 acre preserve in Kenya dedicated to the preservation of the Rhinoceros along with other endangered wild animals. This cartridge is designed for HP LaserJet 4/4M/5/5M/5N, Canon LBP 8 MarkIV/LBP-1260.