The Brother Genuine Drum Unit DR-310CL B,C,M,Y is specifically designed for use with Brother printers, offering high-quality printing results with its laser print technology. This unit is compatible with the Brother DR-310CL model and is made by the trusted brand Brother, ensuring reliability and efficiency in your printing needs. Despite having a ding, this drum unit is still a genuine Brother product that will provide consistent and professional results for your printing requirements.