Epson EPL-6100 Reference Manual page 151

Parallel Bi-D
Allows you to specify the bidirectional communication mode:
ECP (default), Nibble, or Off.
Parallel Buffer Size
Allows you to specify the amount of memory to be used for
receiving and printing data through the parallel interface. If set
to Maximum, more memory is allocated for receiving data. If set
to Minimum, more memory is allocated for printing data. The
factory default setting is Normal.
USB I/F
Allows you to choose whether to activate the USB port. The
default is On.
USB Buffer Size
Allows you to specify the amount of memory to be used for
receiving and printing data through the USB interface. If set to
Maximum, more memory is allocated for receiving data. If set to
Minimum, more memory is allocated for printing data. The default
setting is Normal.
AUX I/F
Allows you to choose whether to activate the auxiliary interface
port (if an optional interface card is installed). The default is On.
AUX Buffer Size
Allows you to specify the amount of memory to be used for
receiving data and printing data through the optional interface
card. If set to Maximum, more memory is allocated for receiving
data. If set to Minimum, more memory is allocated for printing
data. The default setting is Normal.
Using the Remote Control Panel Utility
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