Lexmark C935 Standard USB and USB x menus, PCL SmartSwitch, PS SmartSwitch, NPA Mode, USB Buffer

Standard USB and USB <x> menus

Menu item	Description
PCL SmartSwitch	Sets the printer to automatically switch to PCL emulation when a print job
On	received through a USB port requires it, regardless of the default printer
	language
Off
	Notes:
	•	On is the factory default setting.
	•	When the Off setting is used, the printer does not examine incoming data.
	•	When the Off setting is used, the printer uses PostScript emulation if the
		PS Smartswitch setting is On. It uses the default printer language specified
		in the Setup menu if the PS SmartSwitch setting is Off.
PS SmartSwitch	Sets the printer to automatically switch to PS emulation when a print job
On	received through a USB port requires it, regardless of the default printer
	language
Off
	Notes:
	•	On is the factory default setting.
	•	When the Off setting is used, the printer does not examine incoming data.
	•	When the Off setting is used, the printer uses PCL emulation if the PCL
		Smartswitch setting is On. It uses the default printer language specified in
		the Setup menu if the PCL SmartSwitch setting is Off.
NPA Mode	Sets 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.
	•	Changing this setting from the control panel and then exiting the menus
		causes the printer to restart. The menu selection is updated.
USB Buffer	Sets the size of the USB input buffer
Disabled	Notes:
Auto
	•	Auto is the factory default setting.
3k to <maximum size
	•	The Disabled setting turns off job buffering. Any jobs already buffered on
allowed>
		the disk are printed before normal processing is resumed.
	•	The USB buffer size value can be changed in 1k increments.
	•	The maximum size allowed depends on the amount of memory in the
		printer, the size of the other link buffers, and whether the Resource Save
		setting is 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.
	•	Changing this setting from the control panel and then exiting the menus
		causes the printer to restart. The menu selection is updated.

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