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XEROX DOCUPRINT NPS GUIDE TO USING PAGE DESCRIPTION LANGUAGES 1-1
1. 1PCL 5
The DocuPrint NPS system supports the following functions for
source documents:
• On monochrome systems, printing of PCL 5e masters
containing PCL commands, HP-GL/2 commands, fonts, and
data to be printed.
• On highlight color models, printing of PCL 5e monochrome or
PCL 5c color masters containing PCL commands, HP-GL/2
commands, fonts, and data to be printed.
Jobs can be submitted using the HP LaserJet 4 or LaserJet 4Si print
drivers for monochrome printing with PCL 5e, or the HP Color
LaserJet for highlight color printing with PCL 5c.
DocuPrint NPS supports most HP PCL commands, features, and
fonts, including those for PCL (the printer control language) and HP-
GL/2 (the vector graphics language). The implementation of PCL 5e
on DocuPrint NPS emulates the HP LaserJet 4. The implementation
of PCL 5c on DocuPrint NPS emulates the HP Color LaserJet. This
chapter provides specific information about the support available.
Refer to your Hewlett Packard PCL 5 printer language publications
for more information on PCL.
There is a DocuPrint NPS Change PCL Parameters command that
allows you to configure your PCL printing environment. Refer to the
Guide to Configuring and Managing the System, “Utility commands”
for more information.
Note: In PCL commands referenced in this chapter, the sign # is
replaced by a number.
Maintaining image quality
DocuPrint Models 4050, 4090, 4850, and 4890 NPS provide a
resolution of 300 dots per inch (dpi), and Models 92C, 96, 4635 and
180 NPS provide resolution of 600 dots per inch. If your PDL contains
scalable fonts or simple vector graphics and line art generated at 600
dpi, the differences in printing at 300 or 600 dpi are subtle. However,
if your PDL contains bitmaps with a resolution of 600 dpi, printing at
300 dpi causes a degradation in image quality. To preserve image
quality, regenerate the bitmaps at the printer resolution of 300 dpi or
regenerate them as simple line art. The 600 dpi printers can accept
jobs with resources in either 300 or 600 dpi.
Note: Though you can print documents containing 300 dpi bitmaps
on a 600 dpi printer, there can be an impact on performance as the
printer processes the image for 600 dpi printing.