Epson ESC Manuale Utente Scaricare il pdf (Pagina 128)

B-21

CODABAR

DC4 DC4 ESC! n 22 p EM

The Codabar bar code data fields do not have a defined format length and

contain data belonging to the character set listed hereafter:

0 1 2 3 4 5 6 7 8 9 - $: /. +

A B C D E N T * a b c d e n t (only as START/STOP characters)

The printer allows any combination of START/STOP characters. If the first

and last characters of the received string do not belong to the START/STOP

characters subset, question marks will be printed in place of HRC string, if

possible.

CODE 128

DC4 DC4 ESC ! n 23 p EM

The CODE-128 bar code data fields do not have a defined format length and

contain data belonging to the standard ASCII character set, including control

codes.

Since GS and EM control codes used within the Compuprint DC4 DC4 ESC

(...EM ”Print Bar Code” control sequence are part of the supported character

set, the host application must SET THE HIGHER-ORDER BIT of the above

control codes to allow the printer distinguish between encodable data and

string terminators.

POSTNET

DC4 DC4 ESC! n 24 p EM

The POSTNET bar code data fields contain only numeric data and do not

have a defined format length. POSTNET bar codes have no HRC string

printed and the LOW/TALL bars that encode the symbol comply with the

U.S.P.S standard; whatever will be p field value.

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Epson ESC Manuale Utente Pagina 128