Epson EPL-6100 Reference Manual page 153

Emulation button
Click Emulation on the Remote Control Panel screen and the
following dialog box appears:
Parallel
Allows you to specify the emulation for the parallel interface.
USB
Allows you to specify the emulation for the USB interface.
AUX
Allows you to specify the emulation for the auxiliary interface.
This option is available only when an optional Type B interface
card is installed.
Using the Remote Control Panel Utility
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