HP 124A Yellow Original LaserJet Toner Cartridge, Q6002AIts simple. HP ColorSphere toner is tuned with the printing system to optimize quality and reliability for brilliant, photo quality business printing. Features & Specs: Color(s) of print cartridges Yellow Print technology Laser Page yield (colour) ~2,000 pages Page yield footnote Approximate yield based on 5% average coverage. Actual yields vary considerably based on content of printed pages and other factors. Operating temperature range 59 to 90. 5F