Star Micronics SLIP SP298 SERIES Programmer's Manual page 62

Status byte
Status
b7 b6 b5
CODE
HEX
FUNCTION
b4 b3
0
Constantly
set at "0"
Status b3 is variable.
<ESC> "?"
1B 3F
Resets the printer hardware.
Resets the printer hardware and produces a test print
b2 b1 b0
<LF> <NUL>
0A 00
Vertical parity error
1: Error
Framing error
1: Error
Printer mechanical error
1: Error
Buffer empty
1: Empty
Buffer overflow
1: Overflow
Compulsion switch
1: High level (Switch is set to ON.)
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