Dell W5300 Workgroup Laser Printer - Manual (Page 106)

Values:
On* Printer examines data on the network interface and selects PCL emulation if the data indicates that is
the required printer language.
Off Printer does not examine the incoming data. The printer uses PostScript emulation to process the job
if PS SmartSwitch is On, or uses the default printer language specified in the Setup Menu if PS
SmartSwitch is Off.
See also:
PS SmartSwitch ; Printer Language
PS SmartSwitch
Purpose:
To configure the printer so it automatically switches to PostScript emulation when a print job received
through the network port requires it, regardless of the default printer language.
Values:
On* Printer examines data on the network interface connection and selects PostScript emulation if the
data indicates that is the required printer language.
Off Printer does not examine the incoming data. The printer uses PCL emulation to process the job if PCL
SmartSwitch is On, or uses the default printer language specified in the Setup Menu if PCL
SmartSwitch is Off.
See also:
PCL SmartSwitch ; Printer Language
NPA Mode
Purpose:
To specify whether the printer performs the special processing required for bidirectional communication,
following the conventions defined in the Network Printing Alliance (NPA) Protocol.
Values: