SL-M4020 ND
The SL-M4020 ND is the networked, duplexing configuration of Samsung's ProXpress 4020 business printer under spaced naming. A higher-tier shared mono laser for demanding departments.
The MLT-D203 cartridge family fits: S, L, U, and E. Compatible and genuine Samsung OEM versions are stocked, shipping fast from Clever Supplies.
Toner Cartridges for SL-M4020 ND
This printer works with the following toner cartridges:
- Samsung MLT-D203S
- Samsung MLT-D203L
- Samsung MLT-D203U
- Samsung MLT-D203E
More Samsung Printers
- SL-M3320
- SL-M3320DW
- SL-M3320ND
- SL-M3370
- SL-M3370FD
- SL-M3370FW
- SL-M4020
- SL-M4020ND
- SL-M4070
- SL-M4070FR
- SL-M3820DW
- SL-M3870FW
- SL-M3820ND
- SL-M3870FD
- SL-M3820
- SL-M3870
- SL-M3820 DW
- SL-M3820 ND
- SL-M3870 FD
- SL-M3870 FW
- SL-M4070 FR
Frequently Asked Questions
Should offices keep two spare cartridges for the SL-M4020 ND?
The SL-M4020 ND will warn you when toner runs low, but warnings and actual emptiness don't always align — having a spare MLT-D203S on the shelf removes the gamble. Order the next one when you install the spare, and you'll never be caught out. That's the simplest toner routine there is.
What happens if the chip on a compatible cartridge isn't read by the SL-M4020 ND?
The SL-M4020 ND reads a small chip on the cartridge to track toner levels and confirm compatibility, and most quality compatibles ship with a working replacement chip. If the printer reports the cartridge as unrecognized, power it off, reseat the cartridge firmly, and try again. Persistent errors usually mean a faulty chip, and a reputable seller will replace the cartridge.
How do I confirm a cartridge fits the SL-M4020 ND before buying?
Only cartridges in the MLT-D203S, MLT-D203L family fit the SL-M4020 ND — similar-looking Samsung cartridges for other series will not work. The surest check is the code molded into your current cartridge. If the codes match, the cartridge fits.