The Speedyinks Toner for TN580 is a compatible toner cartridge designed specifically for Brother printers. This laser print technology ensures high-quality, crisp black printing with each unit. Created by Speedy Inks, a trusted brand, this toner is a reliable and cost-effective option for users looking to replenish their printer supplies. Compatible with the TN580 model, this product provides consistent and professional results for all your printing needs. New in box