Service manual
General Description
EPL-5600/ActionLaser 1600 Service Manual
1.4.6 Emulation Mode Switch Function
This section describes the emulation mode switch function.
1.4.6.1 Emulation Switch by
SPL
The two types of emulation switch functions described below are available on this printer.
Together they are referred to as
SPL
(Shared Printer Language).
EJL:
EPSON Job Language
This is EPSON’s original language system. It is able to skip among various destinations, as shown
in Figure 1-12.
PJL:
Printer Job Language
This is HP’s original language, which is available with the LaserJet 4 printer.
It is able to skip among various destinations, as shown in Figure 1-12. The precise specifications for
this language are based on the HP LaserJet 4.
The figure below shows three types of mode switching.
Neither
EJL
nor
PJL
switches the mode directly. They first exit the current mode and
return
to
EJL
or
PJL.
Then they enter another mode.
W4
EPSON
GL2
Figure 1-12. Emulation Switch by
SPL
1.4.6.2 Intelligent Emulation Switch
The Intelligent Emulation Switch
(IES)
automatically switches the emulation switch mode,
depending on the data sent from the host computer through one of the interface channels. It is able
to switch between EPSON Script and other modes as shown in the figure below.
LJ4
ESCP2
q&LJ4
<S& ESCP2
EPSON Script
FX
EPSON
GL2
Figure 1-13. Intelligent Emulation Switch
1-30
Rev.
A