This is a Canon Toner Cartridge 509. Compatible models: LBP3500 / 3900 / 3910 / 3920 / 3930 / 3950 / 3970 / 3980 Please be sure to check the condition of the outer box in the images. The product is unopened, so it is listed as a new, unused item. Returns are not accepted for incorrect model numbers or after opening and use. Everything that will be sent is shown in the photos. The contents are unopened and the condition is unknown, so we cannot guarantee the quality. Please understand. #Toner #TonerCartridge #LaserCartridge #DrumCartridge #PhotosensitiveDrum #Printer #DrumUnit #Laser #Monochrome