Amazon.com: HP Samsung MLT-D203L Toner Cartridge Black, High Yield for SL-M3320ND, 3310, M3370FD, M3820DW, M3870FW, M4020ND, M4070FR, M4070FX : Office Products
How to refill your Samsung M3320ND, SL-M3820DW (MLT-D203L) cartridge - YouTube
WE TECH 203 Toner Cartridge for Samsung MLT-D203L Toner Cartridge for Use in SL-M3320, SL-M3320ND, SL-M3370, SL-M3370FD, SL-M3370FW, SL-M3820, SL-M3820D(CARTRIDGE-2PCS) : Amazon.in: Computers & Accessories
Samsung ProXpress SL-M3320-M3325, SL-M3820-M3826, SL-M4020-M4025 Laser Printers - Replacing the Toner Cartridge | HP® Customer Support