Lexmark X748x, 34TT027, 34TT001 Standard USB menu, Understanding the printer menus 152, USB Buffer

Understanding the printer menus 152

Standard USB menu

Use	To
PCL SmartSwitch	Set the printer to automatically switch to PCL emulation when a print job received
On	through a USB port requires it, regardless of the default printer language.
Off	Notes:
	• On is the factory default setting.
	• When set to Off, the printer does not examine incoming data. The printer uses
	PostScript emulation if the PS SmartSwitch is set to On. It uses the default
	printer language specified in the Setup menu if the PS SmartSwitch is set to
	Off.
PS SmartSwitch	Set the printer to automatically switch to PS emulation when a print job received
On	through a USB port requires it, regardless of the default printer language.
Off	Notes:
	• On is the factory default setting.
	• When set to Off, the printer does not examine incoming data. The printer uses
	PCL emulation if the PCL SmartSwitch is set to On. It uses the default printer
	language specified in the Setup menu if the PCL SmartSwitch is set to Off.
NPA Mode	Set the printer to perform the special processing required for bidirectional
On	communication following the conventions defined by the NPA protocol.
Off	Notes:
Auto	• Auto is the factory default setting. Auto sets the printer to examine data,
	determine the format, and then process it appropriately.
	• The printer automatically restarts when changing the setting from the printer
	control panel. The menu selection is then updated.
USB Buffer	Set the size of the USB input buffer.
Disabled	Notes:
Auto
	• Auto is the factory default setting.
3K to [maximum size allowed]
	• Disabled turns off job buffering. Any jobs already buffered on the printer hard
	disk are printed before normal processing resumes.
	• The USB buffer size value can be changed in 1-K increments.
	• The maximum size allowed depends on the amount of memory in the printer,
	the size of the other link buffers, and whether Resource Save is set to On or
	Off.
	• To increase the maximum size range for the USB Buffer, disable or reduce the
	size of the parallel, serial, and network buffers.
	• The printer automatically restarts when the setting is changed from the printer
	control panel. The menu selection is then updated.