EN
Universal Exit Language Command
4-3
Universal Exit Language Command
The Universal Exit Language (
UEL
) command causes the PCL
printer language to shut down and exit. Control is then returned to the
Printer Job Language (PJL). Both PCL 5 and HP-GL/2 recognize this
command.
? % – 1 2 3 4 5 X
Default =
N/A
Range =
–12345
This command performs the following actions:
z
Prints all data received before the Exit Language command.
z
Performs a printer reset (same effect as
?
E).
z
Shuts down the PCL 5 printer language processor.
z
Turns control over to PJL.
Notes
Hewlett-Packard strongly recommends the use of both
?
E (printer
reset) and
?%–12345X
(UEL command) at the beginning and end of
each job. (The order of these commands is critical. Refer to Structure
of a Typical JobTable 4-1 for an example.)
The UEL Command (
?%–12345X
) has the same effect as the
?
E
command, and also enters PJL Mode of operation for printers that
support PJL. The
?
E command should be included to ensure
backward compatibility (the UEL command is ignored if received by a
printer that does not support PJL).
