How do I find out what language I'm sending to my printer?

Background

If you do not have access to content/data that is being printed, you may not know what's actually being sent to your printer.

Windows

Create a Print to File Printer

1. Open the Control Panel and go to "Devices and Printers"
2. Click "Add a printer"
3. Click "The printer that I want isn't listed"
4. Select "Add a local printer or network printer with manual settings", Next
5. In the existing port drop down list, select FILE: (Print to File), Next
6. Select Manufacturer: Generic and Printers: Generic / Text Only, Next
7. Name the printer "Print to File"