I need to develop an application where I will read information from a file automatically through Node Red, and then I would like Node Red to send this information to print through a printer installed in Windows. How could I print through Node Red?
I'm running Node Red on a Windows computer
Printing - how quaint! 
There are various ways. Windows has various tools for simple printing including a bunch of command-line tools that you could use via an exec node if needed.
Print command-line tool reference | Microsoft Learn
There is an optional LPD print service you can turn on which might help, not used it for many years so you'll need to look up whether it would help or not.
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