For "auto-switching" functionality (where the software detects a print command and switches ports automatically), you must install the utility provided by the manufacturer: IOGEAR 2 Port USB 2.0 Switch - Auto Printer Switch
For a , the "driver" you need is typically a small software utility that enables the "Auto-Switch" feature. Without this software, the switch usually defaults to a manual mode where you must physically press a button on the device to swap between computers. 1. Identify Your Specific Model
and require no drivers for basic manual switching, "Auto Sharing" models often use a specific software utility to detect print jobs and switch ports automatically. Performance Review & Key Features Automatic vs. Manual Switching