Brother HL-Series Technical Reference Manual page 229

Revision C 16/01/96
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Bits 1 to 4 of n
mode. The width in columns is the number held in bits 1 to 4. Characters can be up to fifteen
columns wide, including skipped blank columns.
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Downloaded characters are selected using the Esc % 1 NUL command and then printed by
sending the appropriate character codes.
Select standard / downloaded characters
Esc% n NUL (27)(37)n(00)
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Once you have defined and downloaded one or more customized characters using the Esc &
command, you can choose between the normal characters contained in the printer ROM and
the characters you have downloaded.
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Set n to 0 to select the printer standard characters. In this mode you cannot print any of your
own defined characters.
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Set n to 1 to select your own downloaded characters for printing. Now you can print using
your user-defined characters but you cannot print any of the printer standard characters unless
you have previously downloaded them to RAM as well, using the Esc : Copy ROM to RAM
command.
LPRINT CHR$(27); CHR$(37); CHR$(1); CHR$(0); 'Select downloaded
characters
Copy ROM character to RAM
Esc:000
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In order to use your own customized characters in conjunction with the standard characters
contained in the printer, you must first download the printer standard ROM characters to the
printer RAM, then define and download your own customized characters, and finally select
the downloaded characters for printing using the Esc % 1 NUL escape sequence. This has the
effect of inserting your custom characters into the standard character set in place of the
standard characters with the same character codes.
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This command enables you to download the printer current character set to its RAM. The
printer current character set consists of whichever combination of international character set,
and italic or graphic character table you have selected.
LPRINT CHR$(27); CHR$(58); CHR$(0); CHR$(0); CHR$(0); 'Copy
printer's characters to its RAM
specify the width in columns of the defined character in proportional spacing
3
(27)(58)(00)(00)(00)
Chapter 5 " EPSON FX-850 " - 30
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