Kyocera 300ci Service Manual page 263

Code
C6130 Fuser thermistor 2 break error
Fuser thermistor 2 detects a temperature
 
of 30 C/86 F or lower for 45 s.
C6200 Fuser heater 1 edge break
During warming up, fuser thermistor 1
does not detect temperature rise of 1

1.8 F for 10 s.
Fuser thermistor 1 does not reach 90

194 F even after 30 s during warming
up.
C6220 Abnormally high fuser thermistor 1
edge temperature
The fuser temperature exceeds 250

482 F for 1 s.
C6230 Fuser thermistor 1 edge break error
Fuser thermistor 1 detects a temperature
 
of 40 C/104 F or lower for 30 s.
C6400 Zero-cross signal error
While fuser heater ON/OFF control is
performed, the zero-cross signal is not
input within 3 s.
C6410 Fuser unit type mismatch problem
Absence of the fuser unit is detected.
Contents
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Causes Check procedures/corrective measures
Measure the resistance. If it is  , replace
Installation defec-
tiveness on fuser the fuser unit (see page 1-5-41).
thermistor 2.
Defective fuser Check for continuity across each heater. If
heater 2. none, replace the fuser unit (see page 1-5-
41).
Defective PWB. Replace the power source PWB or engine
PWB and check for correct operation.
Defective fuser Check for continuity across each heater. If
heater 1. none, replace the fuser unit (see page 1-5-
41).
Defective fuser Check for continuity across thermostat. If
thermostat 1. none, remove the cause and replace the
fuser unit (see page 1-5-41).
Measure the resistance. If it is  , replace
Installation defec-
tiveness on fuser the fuser unit (see page 1-5-41).
thermistor 1.
Defective PWB. Replace the power source PWB or engine
PWB and check for correct operation.
Measure the resistance. If it is  , replace
Installation defec-
tiveness on fuser the fuser unit (see page 1-5-41).
thermistor 1.
Defective PWB. Replace the power source PWB or engine
PWB and check for correct operation.
Defective fuser Check for continuity across each heater. If
heater 1. none, replace the fuser unit (see page 1-5-
41).
Measure the resistance. If it is  , replace
Installation defec-
tiveness on fuser the fuser unit (see page 1-5-41).
thermistor 1.
Defective PWB. Replace the power source PWB or engine
PWB and check for correct operation.
Poor contact in the Check the connection of connector YC4 on
connector termi- the engine PWB and the connector YC10 on
nals. the power source PWB, and the continuity
across the connector terminals. Repair or
replace if necessary.
Defective PWB. Replace the engine PWB or power source
PWB and check for correct operation.
Fuser unit connec- Reinsert the fuser unit connector if neces-
tor inserted incor- sary.
rectly.
Different type of Install the correct fuser unit.
the fuser unit is
installed.
2JZ/2JX/2JV/2H7-1
Remarks
1-4-45