Brother DR2125 Drum | DR2125Page YieldThe DR2125 drum unit (OEM / genuine Brother) is rated for 12,000 pagesCompatibilityThe DR2125 works with a number of Brother monochrome laser printers / multifunction units. Here are some of the confirmed compatible models:Printer Series / ModelsBrother HL2140Brother HL2142Brother HL2150NBrother HL2170WBrother DCP7030Brother DCP7040Brother DCP7045NBrother MFC7320Brother MFC7340Brother MFC7440NBrother MFC7450Brother MFC7840N / 7840W