If e.g. a sales invoice is posted, there is the possibility to select different print destinations, by clicking on the Printer setup dropdown.

Printer setup dropdown on Posting invoice page
Available print destinations
Altogether, there are 6 print destinations:
Screen: Prints the report on the screen. This option will always be selected, if no other setup is done.
Printer: Sends the document to the printer if the printer setup was performed. See Setting up the Printer print destination.
File: Downloads the report in the predefined format.
E-mail: Sends the report via e-mail. See Setting up the Email print destination.
File Server: Archives the report in the predefined format. See Archiving document in folders on a file server.
SharePoint: Archives the report on the SharePoint. See Archiving documents in SharePoint.