Appendix E: Code128 Bar Code - PRINTEX P250 Manual

2. Open the roll paper cover.
3. Clean cotton with a little alcohol, paint to surface dirt slightly, do not use sandpaper, blade or force materials to clean print head
slice! Or, the thermal print head slice will be damaged, and can not be recovered.
4. Clean the print head slice, after complete dry, do self test, watch the print result.
Note: Never clean the print head slice when the thermal print head slice is heat, Or, it will cause head slice to break.

APPENDIX E: CODE128 BAR CODE

E.1 CODE128 bar code description
In CODE128 bar code system, use one bar code character set, indicate 128 unit ASCII charactersand 2 bit data. These bar code
characters specify 103 unit bar code characters and 3 unit code. Each code indicates the following characters:
□
A:
Code set ASCII character from 00H to 5FH
□
Code set B: ASCII character from 20H to 7FH
□
Code set C: 2 bit natural digit character indicate by one character (100 unit natural digit from 00 to 99)
The following special characters in CODE128:
□
SHIFT characters
A,
Code set the code follow with SHIFT will be processed as code B. Code B, the code followwith SHIFT will
be processed as code A. SHIFT characters can not be used in code C.
□
Code set select character (CODE A, CODE B, CODE C)
The code set follow with this character turn to code AB or C.
□ Function characters (FNC1, FNC2, FNC3, FNC4)
Function character depends on application software. FNC1 is valid in code C.
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