Kyocera FS Office Equipment &... • Uploaded on Aug 11, 2013
Broken heater lamp error
The temperature won't rise by 1°C/33.8 °F during warming up and the heater is turned on for 5 seconds.
The temperature won't rise by 1°C/33.8 °F during printing and the heater is turned on for 5 seconds with the duty cycle more than 60%.
1. Defective fuser thermistor.
2. Broken thermal cutout or heater lamp.
3. Defective engine/high voltage PWB.
Turn power switch off, and remove power cord.
Detach YC7 connector on the engine/high voltage PWB.
Measure resistance between pins 1 and 2 of the detached connector.
Open (infinite)?
Yes Then - Replace the fuser thermistor.
No Then - Detach YC1 connector on the power source PWB.
- Measure resistance between pins 1 and 2 of the detached connector.
Open (infinite)?
Yes - Replace the thermal cutout or heater lamp.
No - Replace the engine/high voltage PWB.
I hope this was helpful,
Shawn
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