Sharp AR-C360P Service Manual page 144

5 Fuser Unit Error
• Immediately after turning ON the power, does a fuser error occur?
• YES
• NO
• NO
• NO After turning ON the power, wait 3 minutes. Does a fuser unit Error occur?
• NO
• Is the fuser unit heater ON? (Is it HOT?)
• YES
• NO
•NO Is there an AC voltage output between Pin 1 and Pin 3 of the CN1 connector of the
Low Voltage Power Unit?
• NO
• YES Replace the fuser unit.
Rev. 1
(A)
Is the Heat Roller Thermistor wire disconnected or short-circuited? (Refer to
Figure 7-1)
(approx.190k to 980kΩ at room temperature between 0 to 43ºC)
• YES Replace the fuser unit.
Is the Backup Roller Thermistor wire disconnected or short-circuited? (Refer
to Figure 7-1)
(approx.190k to 980kΩ at room temperature between 0 to 43ºC)
• YES Replace the fuser unit.
Go to (A).
Replace the engine control PCB.
Replace the fuser unit.
Replace the low voltage power unit.
Thermistor
Figure 7-1
Halogen Lamp
Bottom Part of Fuser Unit
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