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  4. setReceiveEventDelegate

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Parameters are refined by the selected printer.
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setReceiveEventDelegate

Registers a callback method for a response document reception event.

Syntax

 
 
- (void) setReceiveEventDelegate:(id<Epos2PtrReceiveDelegate>)delegate;

Parameter

delegate

Specifies an object conforming to the Epos2PtrReceiveDelegate protocol.

Protocol declaration

 
 
@protocol Epos2PtrReceiveDelegate <NSObject>
@required
- (void) onPtrReceive:(Epos2Printer *)printerObj
code:(int)code status:(Epos2PrinterStatusInfo *)status printJobId:(NSString *)printJobId;
@end

Parameter

printerObj

The callback source object is stored.

code

The processing result is stored.

Error status

Description

EPOS2_CODE_SUCCESS

Print succeeded.

EPOS2_CODE_PRINTING

Printing

EPOS2_CODE_ERR_AUTORECOVER

Automatic recovery error occurred.

EPOS2_CODE_ERR_COVER_OPEN

Cover open error occurred.

EPOS2_CODE_ERR_CUTTER

Auto cutter error occurred.

EPOS2_CODE_ERR_MECHANICAL

Mechanical error occurred.

EPOS2_CODE_ERR_EMPTY

No paper is left in the roll paper end detector.

EPOS2_CODE_ERR_UNRECOVERABLE

Unrecoverable error occurred.

EPOS2_CODE_ERR_FAILURE

Error exists in the requested document syntax.

EPOS2_CODE_ERR_NOT_FOUND

Printer specified by the device ID does not exist.

EPOS2_CODE_ERR_SYSTEM

Error occurred with the printing system.

EPOS2_CODE_ERR_PORT

Error was detected with the communication port.

EPOS2_CODE_ERR_TIMEOUT

Print timeout occurred.

EPOS2_CODE_ERR_JOB_NOT_FOUND

Specified print job ID does not exist.

EPOS2_CODE_ERR_SPOOLER

Print queue is full.

EPOS2_CODE_ERR_BATTERY_LOW

Battery has run out.

EPOS2_CODE_ERR_TOO_MANY_REQUESTS

The number of print jobs sent to the printer has exceeded the allowable limit.

EPOS2_CODE_ERR_REQUEST_ENTITY_TOO_LARGE

The size of the print job data exceeds the capacity of the printer.

EPOS2_CODE_ERR_WAIT_REMOVAL

Print command sent while waiting for paper removal.

status

Status at the timing when the process was run is stored as the Epos2PrinterStatusInfo type.

printJobId

  • When the spooler function has been enabled, a print job ID is stored.
  • When the spooler function is disabled, nil is stored.

Supplementary explanation

  • When this API is run multiple times, the callback method specified later takes effect.
  • If nil is specified in delegate when calling this API, the registered callback method is canceled.
  • When a communication error occurs during ePOS-Device XML control, communication disconnection is not notified.
    To notify the disconnection event, implement the setConnectionEventDelegate.
  • When controlling multiple printers at a time, identify which printer has finished printing by comparing the Printer object in the caller and the printerObj parameter.
  • Check the details of automatic recovery errors and unrecoverable errors in getStatus.
 

Quick Access

  • Syntax
  • Parameter
  • Protocol declaration
  • Parameter
  • Supplementary explanation
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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