Epson TM-T20II-i ePOS-Device XML Users Manual For TM-i firmware v4.1 - Page 131
<response>, EDSP_NOT_OPEN
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Chapter 4 ePOS-Device XML This is the XML document that returns from the customer display to the application. Attribute ❏ success Acquires the display result. Attribute value "true" or "1" "false" or "0" Successfully displayed Failed to display Description ❏ code Acquires the error code. Attribute value Description "EDSP_NOT_FOUND" Could not find the error code "EDSP_NOT_OPEN" Failed to open the device "EDSP_INVALID_WINDOW" An unregistered window was designated "EDSP_SYSTEM_ERROR" An unexpected error occurred "EDSP_SCHEMA_ERROR" The XML structure is invalid "EX_BADPORT" An error occurred in internal communication error with the device "EX_TIMEOUT" A time-out error occurred in communication with the device "EX_INVALID_VALUE" Detected an invalid parameter 4 ❏ status "0" is always set. ❏ Example 131