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Track1
%/1/
Data
Magnetic Card Read Error Messages
The characters <%> and <E> preface all error messages. Following these two characters is
a comma, the error number in ASCII (01 through 99), another comma, English description
of the error encountered and finally CR-LF terminating the <Error Message> string. The
syntax is as follows:
Error Message ( General Form)
Where nn is error number encountered.
The printer may transmit Four (4) types of Read Error messages. The following messages
terminated with
CR-LF are returned by the firmware:
Error #
Note: The Invalid Track number message is not implemented on version 0.09.
Future releases will implement this message the timeout message also needs to
be modified to work all the time since right now it works only in case this is the
first command send on power up.
Track 2
;/2/
ISO 7811 ASCII Format
Error Message – General Form
05
07
08
09
Error Message – Specific Examples
Data
?CRLF
nn , Error text in ASCII, <CR> <LF>
Error Message Transmitted
Time-out Expired
Invalid Track Number
Unsupported Track Selected
Cancel Request
Track 3
+/3/
Data
?CRLF
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