HP CB540A black toner cartridge for use with HP colour LaserJet CP1215/CP1515/CP1518 printers. Page yield 2,200. For toner that allows you to get prints that are exceptionally clear, the HP No. 125A Black LaserJet Toner Cartridge is a perfect product for every home and office. Whether you are looking to print text, graphics or images, your results will always be picture perfect. This cartridge is designed to produce a wide range of tones and hues within each colour, allowing you to print even the most tonally complex images without difficulty.