Panasonic KX-P7305 - Manual (Page 48)

Remote Control Panel
Macintosh Basics Windows Windows 43
■ Information
Controller FW
Displays the controller firmware version.
Engine FW
Displays the engine firmware version.
Page Styler2
Displays the software version for PostScript.
Memory Size
Displays the total memory size installed in the printer.
Option Cassette
Displays whether the optional 2nd feeder has been installed.