Parameters:
Comments: The DEFAULT command enables you to specify default
values for either general variables, which are used by all
personalities, or personality-specific variables. All
personality-specific variables, such as the default PCL
symbol set or the PostScript-specific variable PRTPSERRS,
must be set using this option. Variables that are not
personality-specific cannot be set using the LPARM :
personality option.
All port-specific variables must be set using the IPARM:
port option. Variables that are not port-specific cannot be
set using the IPARM : port option.
Default values set with this command affect the printer
control panel value and the feature setting stored in
non-volatile RAM (in those printers that have a control
panel and NVRAM). However, these values do not affect the
print environment until a PJL reset condition occurs (see
“PJL Reset Conditions” for a list of printer events that
constitute a PJL reset). Consequently, if you want the
default values to take effect immediately, send a RESET
command after sending the DEFAULT command(s).
A separate DEFAULT command must be sent for each
environment variable you specify. The command may be
used to set any environment variable except the read-only
variables. See the “Environment Variables” section of this
chapter for a description of each environment variable.
Parameter Variable Names
personality PCL ESCP
POSTSCRIPT (Other personalities may
also be supported)
port PARALLEL Supported on
LaserJet 4PJ only
SERIAL
variable Valid variables for each printer are listed in
Appendix A.
6-34 Environment Commands
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