Epson TM-T20II-i Device Data Notification Users Manual - Page 20

Response (Device Use Rights Acquisition Result Notification) Input Device TM Intelligent Printer 1 : Device Use Rights Acquisition Web server 2 : HTTP Request OK (Device Use Rights Acquisition Result Notification) 2.1 : Create XML from a HTTP Response (Device Control) database or other system The Web server application creates response data as shown below to a HTTP request (Device Use Rights Acquisition Result Notification) and returns it to the TM intelligent printer. This data contains device control data. The format of response message is ePOS-Device XML(text/xml). HTTP/1.1 200 OK Content-Type: text/xml; charset=utf-8 Content-Length: xxx local_keyboard setprefix . . \0 * For the tag, be sure to end the message with "\0". When no device control is required, refer to "Response to Disable Device Control" (p.24). 20