Specifications

7 Off 00 0 Not used. Fixed to Off
n=20: FULL status (6 bytes
1st Byte = $10 (DLE)
2nd Byte = $0F
3rd Byte = Paper status
BIT OFF/ON HEX Decimal FUNCTION
0
Off 00 0 Paper present
On 01 1 Paper not present
1 Off 00 0 Not used. Fixed to Off
2
Off 00 0 Paper present
On 04 4 Near paper end
3 Off 00 0 Not used. Fixed to Off
4 Off 00 0 Not used. Fixed to Off
5 - - - RESERVED
6
Off 00 0 Not virtual paper end (*).
On 40 64 Virtual paper end (*).
7
Off 00 0 Photocell busy by paper
On 80 128 Photocell not busy by paper
(*)
Virtual paper end is set when the paper length available, readed by $1D $E1, is 0.
4th byte = User status
BIT OFF/ON HEX Decimal FUNCTION
0 Off 00 0 Not used. Fixed to Off
1 Off 00 0 Not used. Fixed to Off
2 Off 00 0 Not used. Fixed to Off
3
Off 00 0 Drag paper motor off
On 08 8 Drag paper motor on
4 Off 00 0 Not used. Fixed to Off
5
Off 00 0 LF key released
On 20 32 LF key pressed
6
Off 00 0 FF key released
On 40 64 FF key pressed
7 Off 00 0 Not used. Fixed to Off
5th byte = Recoverable error status
BIT OFF/ON HEX Decimal FUNCTION
0
Off 00 0 Head temperature ok.
On 01 1 Head temperature error
1 Off 00 0 Not used. Fixed to Off
2 Off 00 0 Not used. Fixed to Off
3
Off 00 0 Power supply voltage ok
On 08 8 Power supply voltage error
4 Off 00 0 Not used. Fixed to Off
5
Off 00 0 Acknowledge command
On 20 32 Not acknowledge command error
6 - - - RESERVED
7
Off 00 0 Notch search ok
On 80 128 Error in notch search
KPM54 Emulation
66 Command Reference