Ricoh D131 Service Manual page 497

SC500: Feed, Transport, Duplex, and Fusing
Fusing web motor error 1
The amount of current detected during operation of the web motor
exceeded 350 mA in 5 successive samples.
SC540-02 D
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Fusing web motor error 2
SC540-02 has occurred three times and the machine has shut down
automatically due to failure of the web motor.
SC540-03 A
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Fusing web motor error 3
SC540-02 has occurred at total of 10 times and the machine has
shut down automatically due to failure of the web motor.
SC540-04 A
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SC541 A
D131/D132/D133
Motor connection loose, broken, defective
Motor disconnected
Motor lock or short
Web motor harness loose, broken, defective
Web motor disconnected
Web motor defective
Web motor harness loose, broken, defective
Web motor disconnected
Web motor defective
Fusing thermistor open
The fusing temperature detected by the center thermistor was
below 0°C for 7 s.
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Thermistor open
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Thermistor connector defective
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Thermistor damaged, or out of position
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Fusing temperature –15% less than the standard input voltage
2-30 SM Appendix