The Brother BU320CL is a genuine transfer belt unit designed for use in a select few printers including the Brother HL-L9200CDWT. This Brother BU320CL unit gets the toner where it needs to be within the printer and ensures it is accurately fused to the paper. This prevents unnecessary mess inside your printer and ensures that you get the most out of your toner cartridges. As an original Brother product you can be assured perfect compatibility with your printer and unsurpassed print quality from this Brother BU320CL transfer belt unit.