ProXpress M4070

The ProXpress M4070 tops the range with the fastest engine Konica Minolta offered in this Samsung-based mono family. Raw speed is only half the story — feeding it affordably is the other half, and that's the MLT-D203U (15,000 pages) in our compatible line. Lower yields (D203S 3K, D203L 5K, D203E 10K) fit too, but on the fastest machine in the family the big cartridge is the rational buy.

Toner Cartridges for Konica Minolta ProXpress M4070

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

The M4070 is the fastest in this family - does that demand the MLT-D203U?

No - speed and cartridge size are independent choices. The M4070 accepts S through U like its siblings; pick the size from your monthly page count, not the ppm figure.

My M4070's output has a gray background haze - which MLT-D203 issue is this?

Background haze usually means the cartridge is failing or toner is leaking slightly inside it. Remove the MLT-D203, check for leaks, clean the interior gently, and install a fresh cartridge if the haze persists.

How long can I store a spare MLT-D203U for the M4070?

Sealed cartridges keep for a long time - typically a couple of years in a cool, dry spot away from sunlight. For a fast, high-volume machine like the M4070, a stored U spare will get used long before age matters.