HP 126A Black Toner Cartridge (1,200 pages) for HP CP1025, LaserJet Pro Color 100 M175a, LaserJet Pro M275nw Printers. The HP team have built the 126A Black Toner Cartridge (1,200 pages) (CE310A) to provide high quality, long-lasting support for office laser printers. The Black tone of the cartridge can help users create professional, vibrant print jobs – utilising cutting-edge laser printer technology. Quick and simple to place into the printer, the toner can help ensure your office machine maintains the highest quality prints from first to last.