Epson EPL-N2000 Reference Manual page 90

ZeroChar
This option determines whether the printer prints a slashed
zero (0) or an unslashed zero (0). This feature is useful for
clearly distinguishing between an uppercase letter O and zero
when printing documents such as program lists.
Alt.Graphics (I239X only)
Turns the Alternate Graphics option on or off. The default
setting is OFF.
Character Set (I239X only)
Selects the character table 1 or 2.
Next (I239X only)
Turn to the next page.
Prev (I239X only)
Turn to the previous page.
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Remote Control Panel Utility