Lexmark Optra C710 manual Serial Menu

	Serial Menu	The Serial Menu changes settings affecting jobs sent to the
		printer via the serial interface port. This menu is only available
		if an optional tri-port adapter is installed in your printer.
		When you select Serial Menu from the operator panel, Serial
		Option 1 or Serial Option 2 appears on the second line of the
		display, depending on whether a tri-port adapter is installed in
		connector 1, connector 2, or both. When the correct option is
		displayed, press Select to view the menu items listed in the fol-
		lowing table.
Serial Menu
Menu item	Values
PCL SmartSwitch	Off
	On*
	Setting PCL SmartSwitch On lets the printer examine the data on the serial interface
	connection and select PCL emulation if the data indicates that is the printer language.
	If both PCL SmartSwitch and PS SmartSwitch are set Off, the printer uses the language
	specified in the Printer Language menu as the default. If only one SmartSwitch setting is set
	Off, the printer uses the language that has its SmartSwitch setting set On as the default.
PS SmartSwitch	Off
	On*
	Setting PS SmartSwitch On lets the printer examine the data on the serial interface
	connection and select PostScript 3 emulation if the data indicates that is the printer language.
	If both PCL Smartswitch and PS Smartswitch are set Off, the printer uses the language
	specified in the Printer Language menu as the default. If only one SmartSwitch setting is set
	Off, the printer uses the language that has its SmartSwitch setting set On as the default.
NPA Mode	On
(Network Printing	Off
Alliance)	Auto*
	NPA is a mode of bidirectional communication that follows the conventions defined in Network
	Printing Alliance Protocol, A Printer/Host Control Specification Developed by the NPA.
	NPA mode requires special processing of the print data. If NPA Mode is set On, the data
	received must be in NPA format. If not, it is rejected as bad data. If NPA Mode is set Off, the
	printer does not perform any NPA processing. If NPA Mode is set to Auto, the printer examines
	the data to determine the format and then processes it in either format.
	The NPA Mode setting in the Serial Menu applies only to the serial interface connection.
	Note: Changing the NPA Mode setting automatically resets the printer.
*Factory default

52 Chapter 3: Menus