HP CF281X Toner cartridge, Print technology Laser, Page yield (black and white) 25,000 pages, Operating temperature range 50 to 90.5°F, Storage temperature range -4 to 104°F, Operating humidity range 20 to 80% RH, Storage humidity 20 to 80% RH. HP LaserJet toner cartridges that achieve outstanding printing results, help businesses look their best with professional-quality documents, conserve resources, and save time by increasing efficiency in the office.