SC No.
Level
Error Name/Error Condition/Major Cause/Solution
SC554-00
A
Fusing (End) thermistor high-temperature detected (software)
The hardware high-temperature error Sensor flag is detected.
• Damaged triac (shorted)
• Failed engine control board
• Failed fusing thermopile
• Failed fusing thermistor
• Abnormal fusing control software behavior
• The PWM signal is continuously supplied from the IH inverter (due to
a software or temperature Sensor error).
• Clear the SP: fusing SC.
• Replace the PSU.
• Replace the Engine Board.
• Replace the fusing thermopile.
• Replace the Fusing Unit.
SC No.
Level
Error Name/Error Condition/Major Cause/Solution
SC557-00
C
Zero-crossing frequency exceeded
The number of zero-crossing interrupts exceeds a certain value in 500
ms.
The frequency of the commercial power supply line is unstable or noise
occurs.
None
SC No.
Level
Error Name/Error Condition/Major Cause/Solution
SC559-00
A
Fusing jam detected 3 times in succession
Fusing jam is detected three times in succession.
Paper is wrapped around the fusing roller.
Clear the SP: fusing SC.
6. Troubleshooting
132
Summary of Contents for Aficio MP 171
Page 1: ...Model Gim P1a Machine Code M171 Field Service Manual September 2014 ...
Page 2: ......
Page 14: ...12 ...
Page 34: ...3 Preventive Maintenance 32 ...
Page 48: ...3 OPU Board x 7 4 Replacement and Adjustment 46 ...
Page 59: ...2 Hold the grip to pull the toner cartridge A out Toner Cartridge 57 ...
Page 105: ...2 Rear Cover Switch A x 1 Hook Electrical Components 103 ...
Page 106: ...4 Replacement and Adjustment 104 ...
Page 120: ...5 System Maintenance 118 ...
Page 166: ...MEMO 164 EN ...
Page 167: ...Model Gim P1a Machine Code M171 Appendices September 2014 ...
Page 168: ......
Page 186: ...2 Appendices Preventive Maintenance Tables 18 ...
Page 259: ...MEMO 91 ...
Page 260: ...MEMO 92 EN ...