Amazon.com: TCT Premium Compatible Toner Cartridge Replacement for Samsung MLT-D203E Black Extra High Yield Works with Samsung ProXpress SL-M3820 M3820ND Printers (10,000 Pages) : Office Products
The Supplies Guys: Samsung MLT-D203E Extra High Yield Black Toner
Victoner 3-Pack Compatible Toner for Samsung MLT-D203L Use With ProXpress SL-M3320ND M3820 M3820ND M3820DW M4020ND Ptiner Black - Walmart.com
Amazon.com: Toner Eagle Re-Manufactured Toner Cartridge Compatible with Samsung SL-M3820DW SL-M3820ND SL-M3870FD SL-M3870FW MLT-D203E. Black : Office Products
User manual Samsung ProXpress M3820ND (English - 273 pages)