Configuration -> General Setup -> Printing
Printing options have been grouped into 5 sections. Each option controls the look, feel and operation of  receipt and preparation printing.

Header & Footer:

You can add special characters in the header and footer areas to turn on and off certain printing highlights. You can also include special characters to add information to the header and footers.

Highlights
%B Start bold printing.
%b Stop highlight.
%U Start underline printing.
%u Stop highlight.
%E Start Elongated Large printing.
%e Stop highlight.
%R Start red printing.
%r Stop highlight.

Information
%d Replace with current date.
%t Replace with current time.
%s Replace with server name.

Receipt:

Preparation:


Ports:

Reports: