The EZink Premium Toner Cartridge TN229XL 4 PCS is a high yield toner designed for Brother printers. Manufactured by E-Z Ink, this product is compatible with Brother printers and offers print technology for laser printing. The cartridge comes in cyan, yellow, magenta, and black colors and has a manufacturer warranty of 2 years. Made in China, this unit is a reliable and efficient choice for printing needs with long-lasting quality. 2 of the toners have been opened not sure about usage