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Appendix B – Printer Control Codes
About Printer Control Codes
About the I/O Buffer
About the Print Image Buffer
Special Notations in This Section
Special Notations in Control Code Formats
Notation
Description
(0)
For ASCII format definitions, indicates that the value can only be zero (and not the character "0").
For example: Select Top-Down Printing ESC US (0).
(1)
For ASCII format definitions, indicates that the value can only be one (and not the character "1").
For example: Select Bottom-Up Printing ESC US (1).
*
When a number (at the end of an escape sequence) is marked with an asterisk, then either the
value corresponding to that number or the value of the string character can be used for that
number. For example, if 1* is shown, then either the value (1), or the value of the string character
(decimal: 49, hex: 31) can be used.
NUL
The NUL character is represented in the Dec column as 0, in the Hex column as 00, and in the
ASCII column as NUL.
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Printer control codes are commands you send to the printer that control print
operations, including page layout and formatting, character set selection, buffer
management, and graphics handling.
This section includes descriptions of all control codes supported by the printer.
Control codes are presented in decimal, hex, and ASCII formats.
All characters and control codes received by the printer are stored in the I/O
buffer, where they are read and acted upon to form the print buffer. Characters
are removed from the I/O buffer as they are processed.
All characters go through the print image buffer on their way to the printed page.
This buffer contains the graphic image of the dots to print, from which characters
are rendered. The buffer is cleared when its contents are printed.
The control code descriptions may include special notations for values as
described in this table.
6824 Mobile Full Page Printer User Manual
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