Chapter 6. Error Indicator Lights Models 02L And 02R - IBM 4975 02L Maintenance Information

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Chapter 6. Error Indicator Lights Models 02L and 02R
10000
8
4
2
Mode switch in the wait (center) position
Mode switch in the print (front) position
Indicators
8421
Hex
Definition
0000
a
No error
0001
1
Mode switch error
0010
2
Left margin error
a
01 1
3
EO F switch error
0100
4
Usart error
a
1
a
1
5
Power supply error
a
1 1
a
6
Cartridge error
All positions not shown are unused.
~
~
Indicators
8421
0000
0001
0010
a a
1 1
0100
a
1
a
1
a
1 1
a
011 1
1000
100 1
1 0 1 1
1 1 0
a
1 1 0 1
1 1 1
a
1 1 1 1
Hex
Definition
a
No error
1
Power supply error (11 volts)
2
Power supply error (24 volts)
3
Wait switch was active
4
Forms emitter
5
Left margin error
6
Emitter sequence error
7
Forms stalled
8
Buffer overrun error
9
TP error/Usart error
B
Forms on overflow line
C
EOF or EOF switch error
0
Cartridge parameter error
E
No emitter error
F
Invalid length error
Error Indicator Lights Models 02L and 02R 6-1

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