Kyocera FS-920 - Page 50

2GL/2FV/2FW
1-5-8
6000
(E4)
Broken heater lamp error
• The temperature won’t rise by 1
degree Celsius during warming up and
the heater is turned on for 5 seconds.
• The temperature won’t rise by 1
degree Celsius during printing and the
heater is turned on for 5 seconds with
the duty cycle more than 60%.
Defective fuser
thermistor.
Follow the flow chart.
Broken thermal
cutout or heater
lamp.
Defective engine/
high voltage PWB.
Code Contents
Remarks
Causes Check procedures/corrective measures
No
No
Start
Yes
Yes
Replace the engine/high
voltage PWB.
See page 1-6-17.
Replace the fuser
thermistor.
See page 1-6-11.
Replace the thermal
cutout or heater lamp.
See page 1-6-11.
Turn power switch off,
and remove power cord.
Detach YC7 connector
on the engine/high
voltage PWB.
Detach YC1 connector
on the power source
PWB.
Measure resistance
between pins 1 and 2 of
the detached connector.
Measure resistance
between pins 1 and 2 of
the detached connector.
Open
(infinite)?
Open
(infinite)?