Lexmark 642e MFP manual Standard USB or USB

Using MFP menus

Menu item	Purpose	Values and descriptions
Network Buffer	Configures the size of the network	Auto*	The MFP automatically calculates the
	input buffer.		Network Buffer size (recommended
	Note: Changing the Network Buffer		setting).
	menu item automatically resets the	3KB to maximum	The user specifies the Network Buffer
	MFP. Any permanent resources,
		size allowed	size. The maximum size depends on
	such as fonts or macros, are lost.
		(1KB increments)	the amount of memory in the MFP, the
			size of the other link buffers, and
			whether Resource Save is set to On or
			Off. To maximize the range for the
			Network Buffer size, disable or reduce
			the size of the parallel, serial, and USB
			buffers.
Mac Binary PS	Configures the MFP to process	On	The MFP processes raw binary
	Macintosh binary PostScript print		PostScript print jobs from computers
	jobs.		using the Macintosh operating system.
			Note: This setting often causes
			Windows print jobs to fail.
		Off	The MFP filters PostScript print jobs
			using the standard protocol.
		Auto*	The MFP processes print jobs from
			computers using either Windows or
			Macintosh operating systems.

Standard USB or USB <x>

These menus are only shown if a USB port is available. Use these menu items to change printer settings affecting a Universal Serial Bus (USB) port (USB <x>). x represents 1 or 2.

Menu item	Purpose	Values and descriptions
PCL	Configures the MFP so it	On*	The MFP examines the data on the
SmartSwitch	automatically switches to		USB port and selects PCL emulation if
	PCL emulation when a print job		the data indicates that is the required
	received through the USB port		printer language.
	requires it, regardless of the default
		Off	The MFP does not examine the
	printer language.
			incoming data. The MFP uses
			PostScript emulation to process the
			job if PS SmartSwitch is On, or it uses
			the default printer language specified
			in the Setup Menu if PS SmartSwitch
			is Off.
PS SmartSwitch	Configures the MFP so it	On*	The MFP examines data on the USB
	automatically switches to		interface and selects
	PostScript emulation when a print		PostScript emulation if the data
	job received through the USB port		indicates that is the required printer
	requires it, regardless of the default		language.
	printer language.
		Off	The MFP does not examine the
			incoming data. The MFP uses
			PCL emulation to process the job if
			PCL SmartSwitch is On, or it uses the
			default printer language specified in
			the Setup Menu if PCL SmartSwitch is
			Off.

Network/Ports

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