This set of OEM Sharp BP-NT70 toner cartridges is a genuine and original product. For Sharp MFP's, specifically the BP-50C45, BP-50C26, BP-50C36, BP-50C31, BP-50C55, and BP-50C65 models among others. The complete set of four colors, cyan, yellow, magenta, and black. The print technology used for these cartridges is laser, ensuring high-quality printing results.