Compatible for HP Printer: Color Laser Jet MFP CM1312 Printer, Color Laser Jet MFP CM1312nfi Printer, Color Laser Jet CP1215 Printer, Color Laser Jet CP1515n Printer, Color Laser Jet CP1518ni Printer. 2 Pack CB540A Black Toner Cartridge Up to 2,200 pages per CB540A black toner cartridge (based on 5% coverage of Letter size Paper). This item is a great choice for your printer. It is equipped with intelligent chips that can be quickly recognized by the printer and accurately display the amount of toner. Fine toner powder can provide realistic colors, output clear and eye-catching text and graphics, making your presentations and printouts stand out. GRENCYCLE toner cartridges have been sold worldwide for over 12 years, with consistent quality and stable compatibility, compatible for HP printers, and printing results as good as OEM. We use multi-layer shock-absorbing packaging and sturdy outer boxes.