Firmware

Updated: 09/01/2026

This firmare can only be installed on these Sigma Systems:

Sigma DS4
Sigma DS4-ES1

Sigma DSE
Sigma DS1
Sigma DS2

Sigma DS3
Sigma DS3 CLM

EM1
EM2

Use the Card Printer Firmware Update program to update the printer firmware.

If using the XPS Card Printer Driver and SDK, download the latest driver version.

Note: LXM Card Printer Driver Compatibility with USB-Connected Printers:

  • Firmware D4.3.3 only works with LXM Driver 1.8 or later.
  • Firmware D4.3.2 is used with LXM Driver 1.7 or prior.

Firmware files: