Amazon.com: Toner Cartridge MLT-D203L Works for Samsung Pro Xpress M3320 M3310 M3820 M4020 M3870 Series Monochrome Laser Printer, Yields Up to 5,000 Pages with Chip 2 pcs Black : Everything Else
PrinterDash Compatible MICR Replacement for ProXpress M3820/M3870/M4020/M4024/M4070 Series Extra High Yield Toner Cartridge (2/PK-10000 Page Yield) (SU885A_2PK) - Walmart.com