The IPARM : port option must be used when setting
port-specific variables. Valid values for port for the HP
LaserJet 4PJ printer are SERIAL and PARALLEL.
variable = value — this parameter sets one of the
environment variables to the specified value. For
example, the @PJL SET RESOLUTION = 600 command
sets the current resolution to 600 dots per inch. See the
table below for all valid variables and values. If you
require a more detailed description of a particular
variable, see the “Environment Variables” section earlier
in this chapter.
Note The permissible environment variables and range of values
for each variable may not be the same in all HP LaserJet
printer models. See Appendix A for a list of valid variables
and the range of values for each variable, or send the INFO
VARIABLES command to request this information directly
from the printer.
Parameters:
Parameter Variable Names
personality PCL ESCP
POSTSCRIPT Other personalities
may be supported
port PARALLEL Supported on
LaserJet 4PJ only
SERIAL
variable Valid variables for each printer are listed
in Appendix A.
value Appropriate values for each variable are
also listed in Appendix A.
Environment Commands 6-43
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