Kyocera KM-C2520 Service Manual page 196

2FZ/2F0/2HC-5
Code
C5303 Cleaning lamp M break error
After the cleaning lamp M ON signal is
turned on, the cleaning lamp M break
signal is detected continuously 5 times
for 10 ms.
C5304 Cleaning lamp Y break error
After the cleaning lamp Y ON signal is
turned on, the cleaning lamp Y break
signal is detected continuously 5 times
for 10 ms.
C6000 Fuser heater 1/2 break
Fuser thermistor 1 detected less than 75
° °
C/167 F for 30 s during warming up.
Fuser thermistor 1 deduced 40
°
F or more for 5 s during warming up.
Fuser thermistor 3 deduced less than 90
° °
C/194 F for 30 s during warming up.
Fuser thermistor 3 deduced less than
° °
160 C/320
up.
Fuser thermistor 3 deduced less than
° °
140 C/284
C6010 Abnormally high fuser thermistor
temperature
The fuser Abnormally high signal is
detected for 60 s or more.
C6020 Abnormally high fuser thermistor 1/3
temperature
The fuser temperature exceeds 240
°
464 F.
C6030 Fuser thermistor 1/3 break error
Fuser thermistor 1 detected 40
°
F or less during warming up.
° °
40 C/104 F or less is detected
between 10 s of continuation during
warming up.
Fuser thermistor 3 detected 40
°
F or less during warming up.
C6050 Abnormally low fuser thermistor 3
temperature
During copying, the temperature at the
heat roller lower than 100
detected continuously for 1 s.
1-4-36
Contents
°
C/104
F for 90 s during warming
F for 5 s during stand-by.
°
C/
°
C/104
°
C/104
° °
C/212 F is
Causes Check procedures/corrective measures
Poor contact in the Check the connection of connector YC17 on
connector termi- the engine PWB and the connector on the
nals. drum unit M, and the continuity across the
connector terminals. Repair or replace if
necessary.
Defective cleaning Replace the drum unit M (see page 1-5-27).
lamp M.
Defective engine Replace the engine PWB and check for cor-
PWB. rect operation (see page 1-5-32).
Poor contact in the Check the connection of connector YC18 on
connector termi- the engine PWB and the connector on the
nals. drum unit Y, and the continuity across the
connector terminals. Repair or replace if
necessary.
Defective cleaning Replace the drum unit Y (see page 1-5-27).
lamp Y.
Defective engine Replace the engine PWB and check for cor-
PWB. rect operation (see page 1-5-32).
Defective fuser Check for continuity across each heater. If
heater 1/2. none, replace the fuser unit (see page 1-5-
31).
Defective fuser Check for continuity across thermostat. If
thermostat 1. none, remove the cause and replace the
fuser unit (see page 1-5-31).
Measure the resistance. If it is ∞ Ω, replace
Installation defec-
tiveness on fuser the fuser unit (see page 1-5-31).
thermistor 1/2.
Defective PWB. Replace the power source PWB or engine
PWB and check for correct operation.
Defective PWB. Replace the power source PWB or engine
PWB and check for correct operation.
Defective PWB. Replace the power source PWB or engine
PWB and check for correct operation.
Measure the resistance. If it is ∞ Ω, replace
Installation defec-
tiveness on fuser the fuser unit (see page 1-5-31).
thermistor 1/3.
Defective fuser Check for continuity across each heater. If
heater 1/2. none, replace the fuser unit (see page 1-5-
31).
Measure the resistance. If it is ∞ Ω, replace
Installation defec-
tiveness on fuser the fuser unit (see page 1-5-31).
thermistor 1/3.
Defective PWB. Replace the power source PWB or engine
PWB and check for correct operation.
Defective fuser Replace the fuser unit (see page 1-5-31).
heater 1/2.
Defective PWB. Replace the power source PWB or engine
PWB and check for correct operation.
Remarks