Product Description:Model: TN515Type: Toner CartridgeApplicable equipment: digital copierApplicable brand model: Konica Minolta Bizhub 458 558Whether it can fill toner: YesNumber of pages printed: 27000 pagesCorresponding original model: TN515Color: BlackInstructions for use:-If a message "Not original cartridge" on the printer comes through during installation, please confirm with "Next", then you can print correctly.-If the ink cartridges are not recognized by the printer, please clean the chips with soft cloth and insert the cartridges again.If you have questions about the product, please let us know, we will do our best to your satisfaction.