How to add

to Win7 scanner 1. Click the Start menu, select Control Panel, select Device and Printer

2. Click Add Device

3. Select the printer to be added, if you add If it fails, the following figure will pop up automatically, select Control Panel - Administrative Tools

4. Click on Service, drop down and select PnP-X IP Bus Enumerator, this is disabled, double click it

5, Click the image below, click to select Auto, click Apply, click Start

6. After booting, you will find that PnP-X IP Bus Enumerator has started

and then re-add the device. Choose the scanner you want to use. If you don't have 3, just select the scanner you want to use.

After doing this, if you can't add the printer, you can go to the printer of the corresponding model on the Internet and install it.