Welcome to FixYa.
To generate a PRN file, you need to have the printer driver installed in your computer. You should be able to see the PRN option (in some cases, it is termed as 'save to file') in the printer dialog box.
In your own software, you have to use the printers driver as well to produce a PRN file as well.
Since you are also unable to send the print command to your printer, it seems that your printer driver is not present or might have been corrupted.
Download and install the driver for your printer from
>>HERE
Thank you for using FixYa, have a great day.
Jas247
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