Epson EPL-9000, Service Manual

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Service Manual General Description
1.4.6 Emulation
Mode Switch Functions
This section describes the emulation mode switch function.
1.4.6.1 Emulation Switch by
The two types of emulation switch functions described below are available on this printer.
Together they are referred to as
(Shared Printer Language).
Job Language
This is EPSON’s language system. It is able to skip among various destinations, as shown
in Figure 1-12.
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 nor switches the mode directly. They first exit the current mode and return to
or Then they enter another mode.
I
LJ4
‘ x
I
ESCP2
I
Figure 1-12. Emulation Switch by
1.4.6.2 Intelligent Emulation Switch
The Intelligent Emulation Switch 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.
I
I
Figure 1-13. Intelligent Emulation Switch
Rev.
1-31