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  4. ejectPaper

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Parameters are refined by the selected printer.

ejectPaper

Ejects the papers.

The processing result of this API is returned to the callback method set by the setReceiveEventDelegate API of the Epos2HybridPrinter class when the eject command has been transmitted to the printer.

Syntax

 
 
- (int)ejectPaper;

Return value

If the process succeeds, EPOS2_SUCCESS will be returned.

If the process fails, one of the following values be returned.

Error status

Description

EPOS2_SUCCESS

The function was executed successfully.

EPOS2_ERR_ILLEGAL

This API was called while no communication had been started.

EPOS2_ERR_MEMORY

Necessary memory could not be allocated.

EPOS2_ERR_FAILURE

An unknown error occurred.

EPOS2_ERR_PROCESSING

Could not run the process.

Supplementary explanation

  • This API is not executed on the main thread. Execute it on the sub-thread.
  • Cannot communicate with the printer until the paper ejected after receiving the callback is removed.
 

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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 iOS

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