Kyocera 300ci Service Manual page 262

2JZ/2JX/2JV/2H7-1
Code
C6010 Abnormally high fuser thermistor
temperature
The fuser Abnormally high signal is
detected for 60 s or more.
C6020 Abnormally high fuser thermistor 1
temperature
The fuser temperature exceeds 240

464 F for 1 s.
C6030 Fuser thermistor 1 break error
During warming up, fuser thermistor 1
does not detect temperature rise of 1

1.8 F for 10 s.
When the difference of temperature of
fuser thermistor 1 and 2 becomes 100
 
C/212 F or more.
C6040 Fuser heater error
Fuser thermistor 1 detects temperature
change of 20
ms 100 times or more since the power is
turned on.
C6050 Abnormally low fuser thermistor 1
temperature
During printing, the temperature at the
heat roller lower than 100
detected continuously for 1 s.
C6100 Fuser heater 2 break
Fuser thermistor 2 detected less than
 
100 C/212
Fuser thermistor 2 deduced less than
 
150 C/302
Fuser thermistor 2 deduced less than
 
100 C/212
C6120 Abnormally high fuser thermistor 2
temperature
The fuser temperature exceeds 190

374 F for 1 s.
1-4-44
Contents

C/
 
C/36 F or more for 160
 
C/212 F is
F for 120 s during driving.
F for 300 s during driving.
F for 5 s during driving.

C/
Causes
Defective PWB.
Installation defec-
tiveness on fuser
thermistor 1.
Defective PWB.
Defective fuser
heater 1.

C/
Installation defec-
tiveness on fuser
thermistor 1.
Defective PWB.
Defective fuser
heater 1.
Installation defec-
tiveness on fuser
thermistor 1.
Defective PWB.
Defective fuser
heater 1.
Defective PWB.
Defective fuser
heater 2.
Defective fuser
thermostat 2.
Installation defec-
tiveness on fuser
thermistor 2.
Defective PWB.
Installation defec-
tiveness on fuser
thermistor 2.
Defective PWB.
Remarks
Check procedures/corrective measures
Replace the power source PWB or engine
PWB and check for correct operation.
Measure the resistance. If it is  , replace
the fuser unit (see page 1-5-41).
Replace the power source PWB or engine
PWB and check for correct operation.
Check for continuity across each heater. If
none, replace the fuser unit (see page 1-5-
41).
Measure the resistance. If it is  , replace
the fuser unit (see page 1-5-41).
Replace the power source PWB or engine
PWB and check for correct operation.
Check for continuity across each heater. If
none, replace the fuser unit (see page 1-5-
41).
Measure the resistance. If it is  , replace
the fuser unit (see page 1-5-41).
Replace the power source PWB or engine
PWB and check for correct operation.
Replace the fuser unit (see page 1-5-41).
Replace the power source PWB or engine
PWB and check for correct operation.
Check for continuity across each heater. If
none, replace the fuser unit (see page 1-5-
41).
Check for continuity across thermostat. If
none, remove the cause and replace the
fuser unit (see page 1-5-41).
Measure the resistance. If it is  , replace
the fuser unit (see page 1-5-41).
Replace the power source PWB or engine
PWB and check for correct operation.
Measure the resistance. If it is  , replace
the fuser unit (see page 1-5-41).
Replace the power source PWB or engine
PWB and check for correct operation.