toner cartridges manufactured by certified manufacturer by CE, ISO 9001, ISO14000 and STMCIt always print crisp,clear,legible,and cleanly.Our jobs are providing the premium quality products and professional services to make you satisfied.Model:Samsung MLT-D104S  Toner CartridgeCompatible with printers:Samsung  ML- 1660 1860 1865Samsung ML-1665 1666 1670Samsung SCX- 3200Samsung Xpress SCX- 3205 3205WPackage Contents:1X MLT-D104S   Color:  Black Toner Cartridge Page Yield: 1,500  pages, at 5% coverage/A4Simple installation user:Step 1:Gently rock the cartridge back and forth to spread the tonerStep 2:Pull out the entire sealing tape from the toner cartridgeStep 3:Remove the black paperStep 4:Install the toner cartridge into the printerAll the brand names and logos are registered trademarks of their respective owners. These products are NON-OEM.