The Brother BU-330CL belt unit is a replacement consumable for compatible Brother colour laser printers and multifunction devices. It supports the printer’s belt-based image transfer system as part of the printing process.
Its approximate yield is 130,000 pages at 3 pages per job or 50,000 pages at 1 page per job; actual yield depends on job size. Brother lists the HL-L9310CDW, HL-L8360CDW, MFC-L9570CDW and MFC-L8610CDW as compatible models.