ProXpress M4070FX

The ProXpress M4070FX closes out the family as its most fully-equipped variant — top speed, fax, and expansion options for the busiest mono environments. Running a flagship at OEM toner prices quietly doubles its cost of ownership, which is why the compatible 15,000-page MLT-D203U exists: maximum yield, minimum per-page cost. Every MLT-D203 cartridge (S/L/E/U) is compatible with the M4070FX.

Toner Cartridges for Konica Minolta ProXpress M4070FX

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

We run M4070FX and M4070FR in the same print room - can toner be pooled between them?

Yes - both accept the identical MLT-D203S/L/E/U cartridges, so a single pooled stock serves both printers. That simplifies ordering and means a spare is always on hand for whichever machine needs it.

We run three M4070FX printers - should they all use the same MLT-D203 size?

Standardizing on one size - usually L, E or U depending on volume - simplifies stocking enormously: one SKU, one reorder point, no confusion. Only deviate if one printer's workload is dramatically different from the others.

I dropped a new MLT-D203U before installing it in the M4070FX - is it still safe to use?

Inspect it first: check for cracks, leaking toner, or a rattling sound inside. If the housing is intact and nothing leaks, it is usually fine to install - but if toner is spilling out, do not use it; exchange the damaged cartridge.