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Error Status List
Error statuses are defined in each API-executing class.
Error status Cause
ERR_PARAM
Invalid parameter was passed.
<Example>
An invalid parameter such as null was passed.
A value outside the supported range was specified.
ERR_OPEN
Open processing failed.
<Example>
Could not connect to the designated printer.
ERR_CONNECT
Failed to connect to device.
<Example>
Failed to send the data to the printer.
ERR_TIMEOUT The specified timeout time was exceeded.
<Example>
Could not transmit all the data in the specified time.
ERR_MEMORY Could not allocate the necessary memory for processing.
ERR_ILLEGAL
Illegal method used.
<Example>
When the printer was not opened, an API for sending a command
to the printer was called.
ERR_PROCESSING
Could not execute process.
<Example>
Could not execute the process because an identical process is
being executed in another thread.
ERR_UNSUPPORTED An unsupported model name or language specification was
specified.
ERR_OFF_LINE The printer is offline.
ERR_FAILURE An unspecified error occurred.
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