Epson T81 APPENDIX J: NOTES ON USING THE ASB STATUS

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AApp.2 App.1
TM-T81
Specification
(STANDARD)
APPENDIX J: NOTES ON USING THE ASB STATUS
Any accumulated ASB status signals left for transmission fr om the last to the newest ASB status
transmission shall be transmitted together at a t ime 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 Second Status Third Status Fourth Status
0001 0100 0000 0000 0000 0000 0000 1111
When a sequence of operations are performed, t he roll paper cover is opened, and then
the roll paper cover is closed, the f ollowing pieces of data are accumulated.
First Status Second Status Third Status Fourth Status
c 0011 1100 0000 0000 0000 0011 0000 1111 The printer cover is opened.
d 0001 1100 0000 0000 0000 0011 0000 1111 The printer cover is closed.
e 0011 1100 0000 0000 0000 0011 0000 1111 The printer cover is opened.
f 0001 1100 0000 0000 0000 0011 0000 1111 The printer cover is closed.
When the ASB status is received following this, a total of ei ght (8) bytes of ASB will be
transmitted, as follows.
Accumulated ASB (c+d+e+f)
First Status Second Status Third Status Fourth Status
Accumulated ASB (c+d+e+f) 0011 1100 0000 0000 0000 0011 0000 1111
+ First Status Second Status Third Status Fourth Status
The latest ASB 0001 1100 0000 0000 0000 0011 0000 1111
Fourth Status
END App.13