Epson TM-T20II-i Server Direct Print Users Manual for TM-i firmware ver.4.1 - Page 28

Response (Print request), Format of the response message, Basic Configuration

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Response (Print request) This section describes the response (print request) containing the print data from the Web server. TM Intelligent Printer 1 : HTTP Request (Print request) 2.2 : HTTP Response (Print request) Web Server 2.1 : Create XML from a database or other system Response data created in XML(text/xml) from the application is returned. The data also contains print data. When an invalid print request is received, the server retries a request (print request) after a specified interval. Format of the response message Print Data HTTP/1.1 200 OK Content-Type: text/xml; charset=utf-8 Content-Length: xxx . . . Basic Configuration HTTP/1.1 200 OK Content-Type: text/xml; charset=utf-8 Content-Length: xxx tag Print request 1 . . . tag Print request 2 . . . Note: Enclosing the ePOSPrint tag in the PrintRequestInfo tags enables sending multiple print requests to the printer. 28

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28
Response (Print request)
This section describes the response (print request) containing the print data from the Web server.
Response data created in XML(text/xml) from the application is returned. The data also contains print data.
When an invalid print request is received, the server retries a request (print request) after a specified interval.
Format of the response message
Basic Configuration
1 : HTTP Request (Print request)
2.2 : HTTP Response (Print request)
2.1 : Create XML from a
database or other system
TM Intelligent Printer
Web Server
HTTP/1.1 200 OK
Content-Type: text/xml; charset=utf-8
Content-Length: xxx
<?xml version="1.0" encoding="utf-8"?>
<PrintRequestInfo>
.
.
.
</PrintRequestInfo>
Print Data
HTTP/1.1 200 OK
Content-Type: text/xml; charset=utf-8
Content-Length: xxx
<?xml version="1.0" encoding="utf-8"?>
<PrintRequestInfo>
<ePOSPrint>
.
.
.
</ePOSPrint>
<ePOSPrint>
.
.
.
</ePOSPrint>
</PrintRequestInfo>
<ePOSPrint> tag
Print request 1
Note:
Enclosing the ePOSPrint tag in the PrintRequestInfo tags enables sending multiple print requests
to the printer.
<ePOSPrint> tag
Print request 2