SATO MB410i Service Manual Page 13

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Unit 2: Programming Concepts
i Programming Reference
2-3 PN: 9001158B
SELECTING PROTOCOL CODES
Protocol codes are the special control characters that prepare the printer to receive instructions. For example, the
<ESC> character tells the printer that a command code will follow and the <ENQ> character asks for the printer
status.
There are two pre-defined different sets of Protocol Control codes to choose from. Each set is made up of six
special characters. The Standard Protocol Control codes are non-printable characters, and the Non-Standard
Protocol Control codes are printable characters. The Non-Standard set may be useful on host computers using
protocol converters or in an application where non-printable ASCII characters cannot be sent from the host.
This manual uses the Standard Protocol Control codes for all of the
examples. Alternately, the user may define and download a set of custom
Protocol Control Codes (see Appendix D).
PROTOCOL CODES
CONTROL
CHARACTER
STANDARD
DSW2-7 OFF
NON-STANDARD
DSW2-7 ON
DESCRIPTION
STX 02 Hex 7B Hex = { Data start
ETX 03 Hex 7D Hex = } Data end
ESC 1B Hex 5E Hex = ^ Command Code to follow
ENQ 05 Hex 40 Hex = @ Get printer status, Bi-Com Mode
CAN 18 Hex 21 Hex = ! Cancel print job, Bi-Com mode
Off-Line 40 Hex 5D Hex = ] Take printer Off-Line
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