[Wide Compatibility] Specifically designed for HP Laserjet W1660A, 1008a, 1008w, 1188a, 1188w, 1188nw 1188fnw and 1136w Printers.- [High Page Yield] Prints up to 1500 sharp black pages per cartridge (at 5% coverage on A4 paper) for long-lasting use.- [Premium Print Quality] GPS Colour Your Dreams utilizes high-quality components and fine toner for professional-grade results.- [Easy Installation] User-friendly design ensures a quick and easy setup, protecting your printer from damage.- [Vibrant Results] Delivers smudge-free, clear text and consistent performance equivalent to original cartridges.