MTI 8937-753 4-pack Compatible Laser Toner Cartridge For Konica Minolta DI-2010, DI-2510, DI-3010, DI-3510 printers 4 New Compatible MTI Toner Cartridges Yield: 420 gr ctg Color: Black OEM Part #: Konica Minolta 8937-753 If you do not receive your product in an MTI-branded box, it is not a genuine MTI product. Let Amazon know.