Star LC-8521 User Manual page 51

Setting up for printing with Microsoft Windows 3.1 43
Click Add and the dialog box will expand to show a List of Printers.
In the List of Printers: box, select Install Unlisted or Updated Printer .
Click Install .
This causes the Install Driver dialog box to appear, which instructs you to
insert the disk that contains the printer driver file.
Click Browse .
In the Directories: list, select WIN 31 .
Click on the language you want to use and then click OK .
We will use English in all of our examples here.