Most 2-port USB 2.0 printer auto-sharing switches are plug-and-play for basic manual switching but require specific automatic switching software to detect print jobs from multiple computers without a physical button press. Software Download Links
Cause: The data-sensing circuitry failed, or you are using bidirectional printing (e.g., scanning + printing).
Solution: Use manual mode via the button. Or, if the driver utility provides a “Force Auto-Sense” option, enable it. For bidirectional devices, consider a network print server instead of a USB switch. Most 2-port USB 2
: For generic-labeled switches that match this model number, you can find the driver and manual on the ekL Download Center Plugable (USB2-SWITCH2) Website: ugreen
ugreen.com/pages/download