Before running the scan page on a client machine, please make sure that you have deployed Dynamic Web TWAIN Mac Edition on your web server correctly. Please click here to check the steps on how to deploy Dynamic Web TWAIN Mac Edition on web server.
After you deployed Dynamic Web TWAIN Mac Edition properly on your web server, you can follow the steps below to use Dynamic Web TWAIN Mac Edition on client machines:
1. When accessing the web page on a client machine, you will be asked to install the control. Click to download the pkg file.
2. Run DynamicWebTWAINMacEdition.pkg, click Next and Install. 
3. Enter your system password to proceed. Once it is completed, you will be able to see the NPDynamicWebTwain.bundle file under Library/Internet Plug-Ins folder.

From now on, you can run Dynamic Web TWAIN Mac Edition on the client machine.
Note:
You need to write your own code to display the installation information if the control is not installed. Please click here to check the sample code.
