This is a compatible Toshiba T1620 black toner cartridge designed for use with your Toshiba E-Studio 161 laser printer. It serves as a replacement for the original Toshiba T1620 toner cartridge. Manufactured to ensure reliability and quality, this cartridge offers an economical alternative to expensive OEM options while maintaining high-quality printing results. The use of compatible toner cartridges does not void your printer's warranty. We back this product with a 100% Quality Satisfaction Guarantee.