HP 201A Black Toner Cartridge (1,500 pages) for HP Color LaserJet Pro M252, Color LaserJet Pro M274, Color LaserJet Pro M277 MFP Printers. The HP team have built the 201A Black Toner Cartridge (1,500 pages) (CF400A) 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.