Port Selection: During the installation wizard, select "USB" as the port type unless you are using a legacy Serial (COM) connection.
Download the UPD Version: Ensure you are downloading the "-UPD-" (updated) version to guarantee support for the latest security patches and USB 3.0 ports. Download Driver Dex Dp-19 -UPD-
Websites like or Snappy Driver Installer (only if you scan with antivirus). Avoid “driver-zone” or “driver-fixer” pop-up traps. Port Selection: During the installation wizard, select "USB"
Microsoft often hosts certified drivers. Visit catalog.update.microsoft.com and search “Dex DP-19.” Download the .cab file if available. Port Selection: During the installation wizard
Preparation: Unplug the printer’s USB cable from your computer before starting the installation.