Epson TM-T20II-i Server Direct Print Users Manual for TM-i firmware ver.4.1 - Page 9

Printing Process, response containing the data to be printed, and returns it to the TM intelligent

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Chapter 1 Overview Printing Process 1 TM intelligent printer asks the Web server whether data to be printed exists. 2 When data to be printed exists, the Web server application creates an XML-format response containing the data to be printed, and returns it to the TM intelligent printer. When no data to be printed exists, an empty response is returned. 3 TM intelligent printer prints the data to the specified printer. 1 4 TM intelligent printer sends a request (printing result) to check whether the data was printed properly. * 5 Upon receipt of the printing result, the application performs the required process. The Web server automatically responds with an empty response. *: If the spooler is enabled in the TM intelligent printer, a request (print result) is returned upon receipt of a response (print request) (for TM-i Firmware Ver.4.1 or later of the TM-i series). The printing flow is as follows: TM Intelligent Printer Web Server 1 : HTTP Request (Print request) 2.2 : HTTP Response (Print request) 2.1 : Create XML from a database or other system 3 : Create print data 4 : Print 5 : HTTP Request (Printing result) 6.2 : HTTP Response (Printing result) 6.1 : Register printing result to a database or other system 9

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9
Chapter 1
Overview
1
Printing Process
1
TM intelligent printer asks the Web server whether data to be printed exists.
2
When data to be printed exists, the Web server application creates an XML-format
response containing the data to be printed, and returns it to the TM intelligent
printer.
When no data to be printed exists, an empty response is returned.
3
TM intelligent printer prints the data to the specified printer.
4
TM intelligent printer sends a request (printing result) to check whether the data
was printed properly. *
5
Upon receipt of the printing result, the application performs the required process.
The Web server automatically responds with an empty response.
*
: If the spooler is enabled in the TM intelligent printer, a request (print result) is returned upon receipt of a
response (print request) (for TM-i Firmware Ver.4.1 or later of the TM-i series).
The printing flow is as follows:
1 : HTTP Request (Print request)
2.2 : HTTP Response (Print request)
6.2 : HTTP Response (Printing result)
5 : HTTP Request (Printing result)
TM Intelligent Printer
Web Server
2.1 : Create XML from a
database or other system
6.1 : Register printing result to a
database or other system
3 : Create print data
4 : Print