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Section 3. Function Details
This section describes the functions of the MICR 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
Checks whether the MICR 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, refer to the 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.
When the dialog box is displayed, press the [Read] button. If the Check is present,
please first remove and then set the check in slip station.
If a check has been set correctly, data will be read. If a check is not set, a
message requesting for inserting a check will be displayed. After inserting the
check, press the [OK] button. Then the check is read.
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9
APPLICATION DEVELOPMENT GUIDE
MICR (EPSON TM Series)
Version 3.00 Feb. 2019
CheckHealthText