The options are:
National character set
Determines how host characters (EBCDIC) are mapped to PC characters (ANSI). This setting should match the national character set used by your host system.
Select this check box for printer-ready documents that require no page formatting. In Transparent mode, all page format settings (Characters per line and Lines per page) are ignored.
Bypass Windows print driver in transparent mode
Select to disable Windows handling of fonts, font size, font style, and lines-per-inch configuration while in Transparent mode.
Flush printing options
Flush when End of Job record received
Select if you want an in-progress print job to close if an end-of-job condition is sent from the host.
Host print timeout for flushing
Specify the number of seconds to wait after the host stops sending data to a printer session before forcing all pending printer output to the printer.
Form feed options
Emulate form feed with line feed
Select to have Reflection simulate a form feed by issuing line feeds until the end of the page is reached.
Send form feed at end of job
Select to send a form feed at the conclusion of host print jobs.
Font mapping (button)
Click to open the Fonts dialog box, from which you can map your local printer fonts to typestyle IDs used by a host.
Configure Printer Session Settings
Session Setup Dialog Box (5250 Printer Sessions)
Font Mapping (5250 Printer Sessions)
Fonts Dialog Box