Cognitive Solutions A776 Manual De Usuario

A776-PG00001 C 12/09 

A776 (B780) Programming Guide

Or, to set the width of the printing area to two inches at the default horizontal motion unit of 1/203 units per inch, 
send the four-byte string:

 

GS  W  150  1

Where 2 inches = 406/203, and 406 = (1 X 256) + 150.

This command is effective only at the beginning of a line. If the setting exceeds the printable area, the maximum value 
of the printable area is used. The maximum printable area is 576 dots on the receipt and 420 dots on the slip. 

     

  

 



  



    

  

 



  



 
 
 
 
 

These commands control what the printed information looks like, selection of character sets, definition of custom-
defined characters, and setting of margins. The commands are described in order of their hexadecimal codes.

DC2 

Hexadecimal  12 

18

Prints double-wide characters. The printer is reset to single-wide mode after a line has been printed or the clear printer 
(0x10) command is received. Double-wide characters may be used in the same line with single-wide characters.

DC3 

Hexadecimal  13 

19

Prints single-wide characters. Single-wide characters may be used in the same line with double-wide characters.

ESC DC2 

Hexadecimal  1B 12 

27 18

Rotates characters 90 degrees counter-clockwise. The command remains in effect until the printer is reset or until a 
clear printer (0x10), select or cancel upside down print (1B 7B) or cancel rotated print (1B 56) command is received.

This command is valid only at the beginning of a line.

Rotated print and non-rotated print characters cannot be used together in the same line.

See “Summary of rotated printing” in this document.