Bematech KC-4112 Rev.1.1 - Manual (Page 25)

KC-4112 . Revision 1.1
25
Communication
ASCII Dec. Hex. Description
ENQ 05 05 Serial communication status inquiry. After this command is issued, the
printer returns a status, defined below.
ETX 03 03 Ends buffer – the printer will be BUSY while the printing is performed,
changing status only when the buffer is empty. On serial interfaces DTR
(RTS) will be high while the printing is performed.
STX 02 02 Clears the buffer.
Data Control
ASCII Dec. Hex. Description
CAN 24 18 Cancel last line.
DEL 127 7F Cancel last character.
Serial interface status byte
The serial interface status byte is composed of 8 bits – 7 through 0 – the most significant bit is Bit 7 and the least
significant bit is Bit 0.
Status bit number Logic “0” Logic “1”
0 Printer Off Line Printer On Line
1 Printer has paper Printer without paper
2 Paper roll full Paper roll near end
2 (after ESC L command) No paper in the presenter Paper inside the presenter
3 Print head down Print head raised
4 – 7 Not used (will always be logic “0”).
Parallel interface status byte
The table below shows the printer statuses obtained through the parallel interface, with the PC BIOS function
“Get status printer” (Int 17h – Printer I/O):
Parallel Interface Status Byte
/BUSY /ACK PE SEL ERROR X X X HEX Description
1 0 0 1 0 0 0 0 90h On Line (Remote mode)
1 0 0 0 0 0 0 0 80h Off Line (Local mode) (*)
1 0 1 0 1 0 0 0 A8h Paper end
1 0 1 x 0 0 0 0 A0h/B0h Near paper end
1 0 0 x 1 0 0 0 88h/98h Head Up (**)
0 0 1 1 0 0 0 0 30h Disconnected
1 1 0 0 1 0 0 0 C8h Turned Off