Appendix J: Notes On Using The Asb Status - Epson TM-T90 Specification

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APPENDIX J: NOTES ON USING THE ASB STATUS

Any accumulated ASB status signals left for transmission from the last to the newest ASB status
transmission shall be transmitted together at one time as one ASB status, showing the presence of
change, followed by the latest ASB status.
Example: In the normal (wait) state, the ASB status is configured as follows.
First Status
0001 0000
When a sequence of operations is performed, the near end is detected, the printer
cover is opened, and then the printer cover is closed, the following pieces of data
are accumulated.
First Status
0001 0000
0011 1000
0001 0000
When the ASB status is received following this, a total of eight (8) bytes of ASB will
be transmitted as follows.
Accumulated ASB (➀+➁+➂)
Accumulated ASB (➀+➁+➂)
The latest ASB (➂)
Fourth Status
21
Second Status Third Status
0000 0000 0000 0000
Second Status Third Status
0000 0000 0000 0011
0000 0000 0000 0011
0000 0000 0000 0011
First Status
0011 1000
+ First Status
0001 0000
TITLE
TM-T90
Specification
(STANDARD)
Fourth Status
0000 1111
Fourth Status
0000 1111 Near end detection
0000 1111 The printer cover is opened.
0000 1111 The printer cover is closed.
Second Status Third Status
0000 0000 0000 0011
Second Status Third Status
0000 0000 0000 0011
NO.
SHEET
REVISION
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C
Fourth Status
0000 1111
Fourth Status
0000 1111
SHEET
App. 21
END