ProXpress M4020NX

The NX suffix marks the ProXpress M4020NX as the expandable flagship of the line, typically specified with extra paper capacity and finishing for heavy departmental duty. When a printer is configured to never stop, its cartridge shouldn't be the bottleneck: the MLT-D203U's 15,000-page yield is the natural fit. Our compatible MLT-D203 family (3K/5K/10K/15K) covers every configuration of this machine.

Toner Cartridges for Konica Minolta ProXpress M4020NX

This printer works with the following toner cartridges:

Konica Minolta MLT-D203E
Konica Minolta MLT-D203L
Konica Minolta MLT-D203S
Konica Minolta MLT-D203U

Frequently Asked Questions

What does the NX in M4020NX mean for toner?

Nothing for toner - the M4020NX uses the same MLT-D203S/L/E/U cartridges as the rest of the M4020 family. The suffix denotes a configuration bundle, not a different engine.

The M4020NX came with a starter cartridge - when should I buy my first retail MLT-D203?

Buy it when the printer first warns of low toner, not before - starter cartridges are lower-fill, so that warning comes sooner than you might expect. Ordering at the warning gives you a retail cartridge (consider L or higher) ready for the swap.

The M4020NX stopped printing and says replace toner, but the cartridge feels heavy - what gives?

Weight is misleading - toner can clump at one end while the feed section runs dry. Try rocking the MLT-D203 gently to redistribute toner; if the printer still demands a replacement, the cartridge is genuinely spent despite feeling heavy.