onreceive event

Receives the execution results of a command sent by send method.

Syntax

	Function(response);

Parameters of callback function

Parameter: response

Object type: Object

response object properties

Property	Description	Object type
success	Execution result of a command	Boolean
code	Error code	String

success

Value	Description
true	Process succeeded.
false	Process failed.

code

Value	Description
'EDSP_NOT_FOUND'	The device was not found.
'EDSP_NOT_OPEN'	Failed to open the device.
'EDSP_INVALID_WINDOW'	An unregistered window was specified.
'EDSP_UNRECOVERABLE'	Unrecoverable error occurred on the connected printer.
'EDSP_CUTTER'	Auto cutter error occurred on the connected printer.
'EDSP_MECHANICAL'	Mechanical error occurred on the connected printer.
'EDSP_COVER_OPEN'	Cover of the connected printer is open.
'EDSP_REC_EMPTY'	Connected printer has run out of paper.
'EDSP_AUTOMATICAL'	Automatic recovery error occurred on the connected printer.
'EDSP_SCHEMA_ERROR'	The XML structure is not correct.
'EX_BADPORT'	An internal communication error with the device occurred.
'EX_TIMEOUT'	A timeout error occurred during communication with the device.
'EX_INVALID_VALUE'	Invalid parameter was detected.
'TooManyRequests'	The number of display data sent to the display has exceeded the allowable limit.

Supplementary explanation

No onreceive event is notified if a communication error occurs.
To notify the disconnection event, implement the onreconnecting event, onreconnect event, ondisconnect event.
If a communication error occurs and it is deemed that no recovery will take place, notify ondisconnect event.
Since no onreceive event is notified in this case, detect the display failure in ondisconnect event.

Quick Access

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Epson ePOS SDK includes patented or patent pending functions. The contents must not be disclosed to third parties.

Epson ePOS SDK for JavaScript

Introduction
help
ePOSDevice object
Common to device objects
- callEvent method
OtherPeripheral object
- send method
- onreceive event
Display object
Keyboard object
POSKeyboard object
- onkeypress event
MSR object
- ondata event
Printer object
HybridPrinter2 object
Scanner object
- ondata event
SimpleSerial object
- sendCommand
- oncommandreply event
GermanyFiscalElement object
- operate method
- ongfereceive event
DeviceHubTerminal object
- shutdown method
- restart method
CommBoxManager object
- openCommBox method
- closeCommBox method
CommBox object
ePosDeviceConfiguration object
- Constructor
- getRegisterdDevices method
Appendix
- Error Code List
  - Error Codes acquired in the Callback Parameter and Counteractions
  - Error Codes acquired in the Onreceive Event and Countermeasure
- Key code list
- List of Supported Objects
- List of Supported APIs
- Printer-specific Support Information
  - TM-m10
  - TM-m30
  - TM-m30II
  - TM-m30II-H
  - TM-m30II-NT
  - TM-m30II-S
  - TM-m30II-SL
  - TM-m30III
  - TM-m30III-H
  - TM-m50
  - TM-m50II
  - TM-m50II-H
  - TM-T20II
  - TM-T20III
  - TM-T82III
  - TM-T88VI
  - TM-T88VII
  - TM-L100
  - TM-T70
  - TM-T70II
  - TM-T88IV
  - TM-T88V
  - TM-U220
  - TM-U220II
  - TM-U330
  - TM-P20
  - TM-P20II
  - TM-P60II (Receipt)
  - TM-P60II (Peeler)
  - TM-P80
  - TM-P80II
  - TM-H6000V
  - TM-T20II-i
  - TM-T70-i
  - TM-T82II-i
  - TM-T83II-i
  - TM-T88V-i
  - TM-T88VI-iHUB
  - TM-U220-i
  - TM-U220IIB-i
  - TM-T70II-DT
  - TM-T70II-DT2
  - TM-T88V-DT
  - TM-T88VI-DT2
  - TM-H6000IV-DT
  - TM-T20
  - TM-T82II
  - TM-T83II
  - TM-T90
  - TM-L90
  - TM-H6000IV
- Usage restriction by firmware version