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Epson TM950 - B/W Dot-matrix Printer Troubleshooting Manual page 14

Pc-pos technical

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ERROR LED Patterns for
Error
1) Head High Temperature
Error.
2) Auto Cutter Error
3) Home Position
Detection Error.
4) Carriage Detection
Error.
5) Slip Paper Ejection
Error.
6) Memory or Gate Array
Read/ Write Error.
7) High Voltage Error.
8) Low Voltage Error.
9) CPU execution error.
the TM
the TM- - U950
Error Description
Print head temperature is too
high or abnormal.
Auto Cutter does not operate
correctly
Home position could not be
detected properly due to
paper jam in carriage or
other problem.
Carriage motor has gone out
of step due to paper jam in
carriage or other problem.
Slip or validation paper is
not ejected properly after
being advanced
Read/ write check has failed.
Power supply voltage is too
high.
Power supply voltage is too
low.
CPU is trying to execute an
invalid address.
U950
Error LED Blinking Pattern
Go to
part...
Main
Main
4
4
3
Main
1
1
Main

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