Packaging:1 Pack DR 920 Drum Unit work with TN920 TN920XL TN920XXL compatible toner cartridges replacement for Brother DR920 DR-920 Drum Unit
With Chip: This set comes with a smart chip that displays the toner level, making it easy for you to purchase and replace toner cartridges in a timely manner
Compatible With Printers: HL-L5210DN HL-L5210DW HL-L5210DWT HL-L5215DW HL-L6210DW HL-L6210DWT HL-L6217DW HL-L6310DW HL-L6415DW HL-L6415DWT HL-EX415DW DCP-L5510DN MFC-L5710DN MFC-L5710DW MFC-L5715DW MFC-L5717DW MFC-L5915DW MFC-L6810DW MFC-L6915DW MFC-EX915DW Printers
High Page Yield: Up to 45,000 Pages DR-920 in black at 5% coverage on letter a4
Installation Steps: Open the package and tear off the black paper, gently slide the green tab, clean the corona wire several times, put the TN920 toner cartridge into the drum unit, and then put it into the printer