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 Replacement for ProXpress M3320/M3370/M3820/M4020/M4024/M4070 Series Standard Yield Toner Cartridge (3000 Page Yield) (SU911A-S) - Walmart.com