• Byte: IMP jet fault
State 0 = no fault
State 1 = fault
• Byte: Head fault
State 0 = no fault
State 1 = fault
• Byte: phase (on S4SI and S4SI Plus only)
------> Nr of the phase at fault
• Byte: Sub-phase (on S4SI and S4SI Plus only)
------> Nr of the sub phase at fault
6
5
4
3
2
1
0
Recuperation
0
0
0
0
Phase detection
Cover
THT
7
Bit
6
5
4
3
2
1
0
Incorrect number
of the character
generator in the
message
Printing speed
0
0
No message to
print
Jet present = 0
Jet absent = 1
Communication
between CPU and IMP
7
Bit
DTOP filtering
Protocol
A13862 Version E
Page 5-41