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Differences between the Epson Printer mode and the IBM
Graphics Printer mode
Selecting one of the two mode (Epson Printer or IBM Graphics Printer mode) changes
several things about the way the Epson 420i operates. The following functions change
when you change the setting of Switch 2-4.
1.
The character set changes. The IBM Graphics Printer mode supports the ex-
tended IBM Graphics Printer character set. There are two versions of this
character set and you choose the one you want with Switch 2.7, or with soft-
ware commands
and . The IBM character set 2 includes more
characters than the lBM set 1 but, otherwise the two sets are the same. The
software commands and are Ignored if you are using the
Epson FX printer mode.
The Epson printer mode includes 8 international character sets. Within each set,
12 characters may be different from country to country. You can choose the
set that you want with Switches 2-5, 2-6, and 2-7, or with a software command
. The software command
is ignored if you are using the IBM
Graphics Printer mode.
2.
Two of the commands to set line spacing
and
work dif-
ferently with each option.
When you choose the Epson printer mode, the
command selects
1/6-inch line spacing, and the command selects n/60-inch line
spacing.
When you choose the IBM Graphics Printer mode the
command sets
the line spacing to that defined by the
command. If an
command has not been used, then the
command sets the line spac-
ing to 1/16-inch. The
command defines a line spacing of n/60, (but
must be followed by an
command to actually use that spacing.)
3.
When you are using the IBM Graphics Printer mode, the commands to control
the state of the eighth-bit and are ignored.
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