Lexmark Optra S 1620 User's Guide (7.1 MB) - Page 122

Using the Operator Panel and Menus Using Your Printer Serial Menu Selections Menu Item Values and Functions of the Menu Items PCL SmartSwitch PS SmartSwitch NPA Mode Off On* Setting PCL SmartSwitch On lets the printer examine the data on the serial interface connection and selects 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 On as the default. Off On* Setting PS SmartSwitch On lets the printer examine the data on the serial interface connection and selects PostScript Level 2 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. On Off Auto* NPA is a mode of bidirectional communication that follows the Network Printing Alliance Protocol, A Printer/Host Control Specification Developed by the NPA. This mode requires the printer to perform special processing of the data. The NPA Mode menu item under SERIAL MENU only applies to the serial interface connection. 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. Changing the NPA Mode setting automatically resets the printer. * Factory Default 106 Using the Operator Panel and Menus