HP PCL/PJL reference - Printer Job Language Technical Reference Manual

5-12 Job Separation Commands EN

Example: Using PJL Security

This example demonstrates how to set a password and to lock the

control panel so users cannot modify control panel settings. It is

assumed the password value at the start of job is 7654. The example

changes the password to 1776.

@PJL COMMENT **Set Password** <CR><LF>

@PJL COMMENT **& Lock Control Panel**<CR><LF>

@PJL JOB PASSWORD = 7654 <CR><LF>

@PJL DEFAULT PASSWORD = 1776 <CR><LF>

@PJL DINQUIRE PASSWORD <CR><LF>

@PJL DEFAULT CPLOCK = ON <CR><LF>

@PJL DINQUIRE CPLOCK <CR><LF>

@PJL EOJ <CR><LF>

<ESC>%-12345X

To unlock the control panel, you would send a job similar to the

following job. This job specifies the correct password with the JOB

command, and then uses the DEFAULT command to unlock the

control panel.

@PJL COMMENT **Unlock Control Panel** <CR><LF>

@PJL JOB PASSWORD = 1776 <CR><LF>

@PJL DEFAULT CPLOCK = OFF <CR><LF>

@PJL DINQUIRE CPLOCK <CR><LF>

@PJL EOJ <CR><LF>

<ESC>%-12345X

To write to volume 0 of the file system, you would send a job like the

following. This job specifies the correct password with the JOB

command, and then uses the DEFAULT command to unlock, and then

later to lock the disk.

@PJL COMMENT **Unlock Volume 0** <CR><LF>

@PJL JOB PASSWORD = 1776 <CR><LF>

@PJL DEFAULT DISKLOCK = OFF <CR><LF>

@PJL DINQUIRE DISKLOCK <CR><LF>

@PJL ENTER LANGUAGE = POSTSCRIPT <CR><LF>

%!PS-ADOBE . . . PostScript print job . . . ^D

~<ESC>%-12345X@PJL <CR><LF>

@PJL COMMENT **Lock Volume 0** <CR><LF>

@PJL DEFAULT DISKLOCK = ON <CR><LF>

@PJL DINQUIRE DISKLOCK <CR><LF>

@PJL EOJ <CR><LF>

<ESC>%-12345X