Page Yield*: Each Brother TN830 Standard Yield Black Laser compatible toner cartridge yields up to 1200 pages based on 5% standard page coverage. *at 5% coverage (ISO/IEC standard) Package contains a pack of 4 TN830 standard yield black compatible toner cartridges Compatible with Printer Models Brother DCP-L2640DW HL-2480DW MFC-L2807DW MFC-L2820DW XL These compatible replacement laser printer cartridges deliver vivid, crisp text and graphics. Please contact us first with any product issues. We want all of our customers to be happy because happiness matters.