Dell P1500 Personal Mono Laser Printer - Manual (Page 74)

Fastbytes (factory default)
Mode 2
Use this setting to: determine whether the parallel port data is sampled on the leading (On) or trailing
(Off) edge of strobe.
Values:
Off
On (factory default)
MAC Binary PS
Use this setting to: configure the printer to process Macintosh binary PostScript print jobs.
Values:
Off - The printer filters PostScript print jobs using standard protocol.
On - The printer processes raw binary PostScript print jobs from computers using the Macintosh
operating system. This setting often causes Windows print jobs to fail.
Auto (factory default) - The printer processes print jobs from computers using either Windows or
Macintosh operating systems.
USB menu
Use the USB menu to change printer settings on jobs sent through a Universal Serial Bus (USB) 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)
MAC Binary PS