HP PCL/PJL reference - Printer Job Language Technical Reference Manual
6-24 Environment Commands EN
RESOLUTION Print resolution in dots per inch. When a 
job is sent, if there is not enough 
memory to run with the current 
resolution and page protection 
configuration, the system temporarily 
overrides the resolution and/or 
page-protect values to run the job. 
When the resolution is changed, 
memory is reconfigured and all 
downloaded fonts, PCL macros, and 
PostScript dictionaries are lost 
(however, no I/O data is lost). Refer to 
“Commands that Affect Printer Memory” 
in Appendix A.
300, 600
RESOURCESAVE Sets the value of the resource-saving 
variable.
ON, OFF, AUTO
RESOURCE-
SAVESIZE
(This variable is set as a 
personality-specific variable using 
LPARM : personality.) Sets the size of 
the resource saving area for the 
specified personality if 
RESOURCESAVE=ON.
0 to maximum 
available memory 
(in 100 Kbyte 
increments)
RET Configuration of the Resolution 
Enhancement hardware. Resolution 
Enhancement technology (REt) 
improves the print quality of characters 
and graphics by smoothing the edges of 
lines. Most users do not need to adjust 
this feature since the default setting 
works well for almost every type of job.
LIGHT, MEDIUM, 
DARK, ON, OFF, 
AUTO
USERNAME Assigns a user name to a “Proof and 
Hold” job. 
“username string”
General PJL Environment Variables (continued)
Variable Description
Sample Value 
Range










