Dell P1500 Personal Mono Laser Printer - Manual (Page 73)

Use this setting to: specify whether the printer automatically performs a carriage return after a line feed
control command.
Values:
Off (factory default)
On
Auto LF after CR
Use this setting to: specify whether the printer automatically performs a line feed after a carriage return
control command.
Values:
Off (factory default)
On
Parallel menu
Use the Parallel menu to change printer settings on jobs sent through a parallel port.
NPA Mode
Use this setting to: send print jobs to the printer and query printer status information simultaneously.
Values:
Off
On
Auto (factory default)
Protocol
Use this setting to: receive information at a much higher transmission rate if your printer is set to
Fastbytes (if your computer supports Fastbytes) or receive information at a normal transmission rate if your
printer is set to Standard.
Values:
Standard