The 1-4 Pack W1410X Toner Cartridges Lot by GREENCYCLE is designed to work with HP LaserJet M110w, MFP M139w, and M140w printers. These compatible black toner cartridges are specifically designed for HP models, offering high-quality printing results with a laser print technology. This product is a cost-effective solution for those looking to replace their old or worn-out toner cartridges, ensuring a consistent and reliable print output. Ideal for both home and office use, these cartridges provide a seamless printing experience with the trusted brand of GREENCYCLE.