Compatible for HP Printers: Laser Jet M1522n / Laser Jet M1522n MFP / Laser Jet M1522nf / Laser Jet M1522nf MFP / Laser Jet P1505 / Laser Jet P1505n Printer. 4 Pack CB436A Black Toner Cartridge Up to 2,000 pages per CB436A black toner cartridge (based on 5% coverage of Letter size Paper). Actual toner yield varies with usage, graphics printed and environmental conditions. GREENCYCLE compatible toner cartridges provide same performance and printing as genuine cartridge. Bring your ideas to life with vibrant colors, smooth printing and reliable quality. Reliable after-sales service: We have established a professional, trustworthy and friendly team. If you ever have any questions or experience any issues with your item, our team will be happy to assist you quickly.