Star Micronics SP200F SERIES - Manual (Page 96)

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APPENDIX
The following status modes are only valid for the RS-422A interface.
[Status]
[Compulsion switch]
When pin 6 of the peripheral unit drive circuit connector is set “HIGH”, status bit
7 becomes “1”.
Mechanical error
1: error
Buffer empty
1: empty
Buffer overflow
1: overflow
Compulsion switch
High level
(Switch is set to ON)
b7 b6 b5 b4 b3 b2 b1 b0
Constantly
set at “0”
Vertical parity error
1: error
Framing error
1: error
Paper empty
1: empty