SL-M3820

The Samsung SL-M3820 is the base ProXpress business printer of the 3820 line: a fast single-function mono laser for departments with steady volume. Professional build, professional output.

The MLT-D203 cartridge family keeps it running, S through E yields. Compatible or genuine OEM, both ship fast from Clever Supplies.

Toner Cartridges for SL-M3820

This printer works with the following toner cartridges:

Samsung MLT-D203S
Samsung MLT-D203L
Samsung MLT-D203U
Samsung MLT-D203E

More Samsung Printers

Frequently Asked Questions

Can I use a MLT-D203S in the SL-M3820?

Your SL-M3820 needs a cartridge from the MLT-D203 family — order by the MLT-D203S, MLT-D203L, MLT-D203U, or MLT-D203E code, whichever you need. Since the same cartridge family serves many Samsung models, the code printed on your old cartridge is the only detail that matters; the printer's name alone can mislead you. Compare the code on your spent cartridge before you buy.

Is it safe to keep using the MLT-D203S after the SL-M3820's end-of-life message?

That 'replace toner' alert on your SL-M3820 is only an estimate — the printer counts pages or reads the chip, so it can't actually see how much toner powder remains. As long as your MLT-D203S is still printing crisp pages, there's no need to swap yet; just keep a fresh cartridge on standby. Judge by output quality, not the on-screen warning.

Is it okay to leave a spare cartridge for the SL-M3820 near a sunny window?

A closet shelf is perfect for your SL-M3820's spare MLT-D203S: keep it in its sealed bag and original box, somewhere cool, dry, and out of direct sunlight. Store it in the same orientation it sits in the printer, and skip garages and attics where temperatures swing — heat and humidity degrade stored toner faster than anything else.