Epson ActionLaser 1600 Service Manual page 46

Printer Features
PJL: Printer Job Language
This is HP's original language, which is available with the LaserJet 4 printer.
It allows you to skip among various destinations, as shown in Figure 1-12. The
precise specifications for this language are based on the HP LaserJet
The figure below shows three types of mode switching.
Neither EJL nor PJL switches the mode directly. They first
and return to EJL or PJL. Then they enter another mode.
Intelligent Emulation Switch
The Intelligent Emulation Switch (IES) automatically switches emulation modes,
based on the data sent from the host computer through one of the interface
channels. It is can switch between PostScript and other modes, as shown in
figure below.
Figure 1-13. Intelligent Emulation Switch
1-42
Figure 1-12. Emulation Switch by SPL
exit the current mode
EPSON ActionLaser 1600 Service Manual
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