CHAPTER 5 PJL - 9 
3.  COMMAND GROUP 
Command Group  Command  Command Description 
Kernel Commands  UEL  Exits current printer language and returns control 
to PJL. 
  EXECUTE  Orders the printer to execute the specified 
operation. 
  COMMENT  Comments can be placed in the command line 
  ENTER  Selects a printer language 
Job Separation 
Commands 
JOB  Informs printer of job start 
  EOJ  Informs printer of job end 
Environment 
Commands 
DEFAULT  Sets default value 
  SET  Sets an environment value which is available 
during a PJL job 
  INITIALIZE  Resets the current and default PJL variables to 
factory values 
  RESET  Resets current PJL variables to default values 
Status Readback 
Commands 
INQUIRE  Requests the current value for a specified 
environment 
  DINQUIRE  Requests the default value for a specified 
environment 
  ECHO  Returns the <words> to the host computer 
  INFO  Requests a specified category. 
  USTATUS  Allows the printer to send unsolicited status 
information 
  USTATUSOFF  Stops the printer sending all unsolicited status 
information 
Device Attendance 
Commands 
RDYMSG 
 
Replaces the READY message on the control 
panel 
 OPMSG 
 
Displays altered message on the control panel and 
takes the printer off-line 
 STMSG 
 
Displays altered message on the control panel and 
takes the printer off-line.  If status readback is 
enabled, returns name of the key.