Chapter 6: Programming Information

A794 Owner’s Guide

Recognizing Data from the Printer

An application sending various Real Time and non-Real Time commands to which the printer responds can determine which command a response belongs to by the table below.

Responses to ESC u and ESC v are non-Real Time responses and will arrive in the order in which they were solicited.

Batch Mode Response Response Recognized By:

ESC u 0

0

0

0

0

0

0

x

x

Binary

ESC v

0

0

0

0

0

X

x

x

Binary

 

 

 

 

 

 

 

 

 

 

GS I n

0

x

x

0

X

X

x

x

Binary

 

 

 

 

 

 

 

 

 

 

GS r n

0

x

x

0

X

X

x

x

Binary

 

 

 

 

 

 

Real Time Response

Response Recognized By:

 

 

 

 

GS EOT n

0

x

x

1

x

X

1

0

Binary

 

 

 

 

 

 

 

 

 

 

DLE EOT n

0

x

x

1

x

X

1

0

Binary

 

 

 

 

 

 

 

 

 

 

GS ENQ

1

x

x

X

x

X

x

x

Binary

 

 

 

 

 

 

 

 

 

 

XON

0

0

0

1

0

0

0

1

Binary

 

 

 

 

 

 

 

 

 

 

XOFF

0

0

0

1

0

0

1

1

Binary

 

 

 

 

 

 

Auto Status Back (ASB)

Response Recognized By:

 

 

 

 

ASB Byte 1

0

x

x

1

x

X

0

0

Binary

 

 

 

 

 

 

 

 

 

 

ASB Bytes 2-4

0

x

x

0

x

X

x

x

Binary

102

March 1999

Page 108
Image 108
Epson A794-D100 manual Recognizing Data from the Printer