HP Color LaserJet 5500 Technical Reference Manual page 159

For the LaserJet 4000 printer, if LANG is set to POLISH,
CZECH, or HUNGARIAN, messages are displayed using
the Latin 2 (ISO 8859/2) character set. If LANG is
RUSSIAN, messages are displayed using Cyrillic (ISO
8859/51). For LANG=TURKISH, the display is in Latin 5
(ISO 8859/9).
Example: Using the
This example displays "LOAD LETTERHEAD" on the
printer control panel and halts processing until the
OPMSG Command
operator presses the On Line or Continue key. Once one of
the keys is pressed, the first page is printed. Then "LOAD
PLAIN PAPER" is displayed. When the On Line or
Continue key is pressed, the printer prints the rest of the
job.
<ESC>%-12345X@PJL <CR><LF>
@PJL JOB NAME = "JOB 111753" <CR><LF>
@PJL OPMSG DISPLAY = "LOAD LETTERHEAD"<CR><LF>
@PJL <CR><LF>
@PJL ENTER LANGUAGE = PCL <CR><LF>
<ESC>E This is "Letterhead"(page 1)<ESC>E
~<ESC>%-12345X@PJL <CR><LF>
@PJL EOJ NAME = "EOJ 111753" <CR><LF>
<ESC>%-12345X
Related Commands:
RDYMSG, STMSG, INFO CONFIG
Device Attendance Commands 8-5