Epson WF-C5790 Series Instruction Booklet page 7

Hardware Setup Guide
6. Click Export CSV to download the content displayed on the screen in CSV format.
7. When you want to acquire a product key for another MFD, click Continue issuing.
Return to step 2, and then follow the same steps.
To finish, close the screen.
Acquiring in bulk
1. Access the following website from the system administrator's computer.
https://openplatform.epson.biz/license-op/inputInformation.html
2. Click Sample under Readable text file and download a sample file for the serial number list.
3. Change the sample file as necessary, and then save the serial number list file.
1. Preparing for system configuration
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