Epson LX-300+II User Manual page 92

Software
When you select ESC/P, the printer operates in the EPSON ESC/P
mode. When you select IBM 2380 Plus (for LX-300+II)/IBM 2381
Plus (for LX-1170II), the printer emulates an IBM printer.
0 slash
The zero character has a slash ( ) when this feature is turned on.
It has no slash (0) when this feature is turned off. The slash allows
you to easily distinguish between the uppercase letter O and a
zero.
High speed draft
When you choose On, the printer prints up to 300 cps (characters
per second) at 10 cpi (characters per inch). When you choose Off,
the printer prints up to 225 cps at 10 cpi.
I/F (interface) mode
The printer comes with three kinds of interfaces; a parallel
interface, a serial interface and a USB interface.
If your printer is connected to only one computer, choose Parallel,
Serial, or USB for the interface mode, depending on the interface
you use. If your printer is connected to two computers, select
Auto (automatic) to allow the printer to automatically switch
between interfaces depending on which one is receiving data.
Auto I/F (interface) wait time
This setting takes effect only when I/F (interface) mode is set to
Auto. This setting determines how long the printer waits when it
no longer receives data from an interface before it checks whether
a print job is being sent through the other interface. You can
specify 10 seconds or 30 seconds for the auto interface wait
time.
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Control Panel