Drums for brother printers from xerox deliver brilliant image quality and excellent reliability at a low cost compared to the original brother drum youll get better or equal page yield pay significantly less and receive 100 lifetime warranty get more pay less without risk satisfaction is guaranteed equivalent to brother dr7000 compatible with brother hl 1630hl 1640 hl 1650hl 1670n hl 1850hl 1870n hl 5030504050505070n hl 8820dhl 8820dn mfc 8420