GT-7300U是EPSON（爱普生）只在日本发售的机型，你可以去EPSON日本官网下载驱动程序，我已经帮你选好网址了，点击下面的地址--在页面找到你电脑的操作系统--找到EPSON TWAIN5--点后面的蓝块--在页面找到gtw57f.exe--点后面的椐红色块下载驱动。
VueScan is compatible with the Epson GT-7300U on Windows, macOS and Linux. If you're using Windows and you've installed a Epson driver, VueScan's built-in drivers won't conflict with this. If you haven't installed a Windows driver for this scanner, VueScan will automatically install a ...
To whoever maintains page:http://www.sane-project.org/sane-backends.htmlAt line found by GT-7300U The URL behind ishttp://avasys.jp/product/linux_driver/index.phpwhich needs changing as - Its Japanese (with an English button) tohttp://avasys.jp/eng/& the their: 2013/01/21Notice of...