TITLE : RP-300/310
Page -24 -
Example :
If you attempt to transmit ESC 3
n to the printer, but DTR (DSR for
the host computer) goes to MARK before
n is transmitted and then
DLE EOT 3 interrupts before
n is received, the code <10> H for DLE
EOT 3 is processed as the code for ESC 3 <10>H.
n = 1: Printer status
Bit
Off/On
Hex
Decimal
Function
0
Off
00
0
Not used. Fixed to Off
1
On
02
2
Not used. Fixed to On
Off
00
0
Drawer open/close signal is LOW (connector pin 3).
2
On
04
4
Drawer open/close signal is HIGH (connector pin 3).
Off
00
0
On-line
3
On
08
8
Off-line.
4
On
10
16
Not used. Fixed to On
5,6
-
-
-
Undefined.
7
Off
00
0
Not used. Fixed to Off.
n = 2: Off-line status
Bit
Off/On
Hex
Decimal
Function
0
Off
00
0
Not used. Fixed to Off
1
On
02
2
Not used. Fixed to On
Off
00
0
Cover is closed
2
On
04
4
Cover is open
Off
00
0
Paper is not being fed by using the FEED button
3
On
08
8
Paper is being fed by the FEED button
4
On
10
16
Not used. Fixed to On
Off
00
0
No paper-end stop
5
On
20
32
Printing is being stopped
Off
00
0
No error
6
On
40
64
Error occurs
7
Off
00
0
Not used. Fixed to Off
Bit 5: Becomes on when the paper end sensor detects paper end and printing stops.
n= 3: Error status
Bit
Off/On
Hex
Decimal
Function
0
Off
00
0
Not used. Fixed to Off
1
On
02
2
Not used. Fixed to On
2
-
-
-
Undefined
Off
00
0
No auto-cutter error
3
On
08
8
Auto-cutter error occurs
4
On
10
16
Not used. Fixed to On
Off
00
0
No unrecoverable error
5
On
20
32
Unrecoverable error occurs
Off
00
0
No auto-recoverable error
6
On
40
64
Auto recoverable error occurs
7
Off
00
0
Not used. Fixed to Off
Bit 3: If these errors occur due to paper jams or the like, it is possible to recover by