Emulation Mode Switch Function; Emulation Switch By Spl; Intelligent Emulation Switch - Epson ActionLaser 1600 EPL-5600 Service Manual

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General Description

1.4.6 Emulation Mode Switch Function

This section describes the emulation mode switch function.

The two types of emulation switch functions described below are available on this printer.

Together they are referred to as SPL (Shared Printer Language).

This is EPSON's original language system. It is able to skip among various destinations, as shown

in Figure 1-12.

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.

EPSON GL2

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

Figure 1-13. Intelligent Emulation Switch

1-30

Figure 1-12. Emulation Switch by SPL

EPSON Script

< S & ESCP2

EPSON GL2

Rev. A

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Actionlaser 1600 Epl-5600