Printer Control Codes
PcOS Series 90PLUS
Programmer's Guide
International Character Sets
Page 28
Rev Q
11/07/05
5.4
International Character Sets and Code Pages
The Series 90PLUS Printer supports 65 different international character sets. In IBM and EPOS printers, there
have historically been two ways of selecting a character set. The first mode substitutes international characters in
the upper 128 characters of the standard character set. The technique supports a few different countries. As more
and more countries were added, too many characters were being replaced, and it became a problem for the
application to match the characters displayed and the characters printed. To solve these problems, code pages
were developed. The printer and the display could use the same code page. The application would then display
and print the same characters. IBM and EPOS defined new commands to select code pages and left the old
commands in effect.
The Series 90PLUS Printer supports international character sets as well as code pages. However, both methods
are extended in the Series 90PLUS Models to allow the most flexibility for the application programmer. In IBM
mode, there are 19 character sets and 60 code pages. In EPOS, there are 57 character sets and 5 code pages
7
.
The Series 90PLUS Printer allows the IBM code page selection command to select character sets as well as
normal IBM code pages. The EPOS character set select command has been extended to allow additional
character sets over and above the 11 defined by EPOS. The EPOS code page select command has not been
extended as there is no EPOS definition beyond the first six ID’s.
All characters in code pages as well as character sets are addressed as 0 to 255. (Characters below 32 must be
addressed with the [ESC] ^ <n> command.) Code pages may be changed at any time and are active for all
features including rotated print. To allow other code pages to be created by an application, a redefine character
set command is provided. The command allows individual character substitutions.
As discussed above, there are two commands for language selection in IBM mode. The first is [ESC] ! which
will select one of 19 international character sets. The command will not select all the possible sets and is
provided for compatibility with older programs. The second is [ESC] [ T which will select any of the 58 code
pages. In EPOS mode, the command [ESC] R has been expanded and will select any of the 59 international
character sets or code pages.
Function
Select International Character Set
ASCII
[ESC] ! <n>
Hexadecimal
1BH 21H
Decimal
<27> <33>
IPCL
&%CS<n>
EPOS
[ESC] R <n>
Description
The [ESC] ! <n> command selects international character set <n>. In standard mode,
the value of <n> is as follows.
7
Epson provides limited code page support through ID to code page translation. Only six translations are defined.
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