Epson TM-H6000IIIU Ontwikkelingshandboek - Pagina 8
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Section 3. Function Details
This section describes the functions of the CheckScanner device in details.
Supplementary explanation of the parts not described in detail in "UPOS" is also given
here.
3.1 CheckHealth Method
3.1.1 Internal Test
Confirms whether the CheckScanner can establish a communication and returns
a result.
When the method is executed by OPOS_CH_INTERNAL, the character string of
the CheckHealthText property is as follows.
"Internal Hcheck: Complete"
After executing the CheckHealth method, be sure to confirm the return value. If
an error has occurred, there is no point in referring to the CheckHealthText
property. For details on the error, please refer to Section 6 of this manual.
3.1.2 External Test
Not supported
3.1.3 Interactive Test
Executes interactive CheckHealth test. When executed, the following dialog box
is displayed.
:
5
APPLICATION DEVELOPMENT GUIDE
CheckScanner
Version 3.00 Feb. 2019
CheckHealthText