Kyocera 6026, Service Manual

Page: 154 / 375

2PX/2PY
1-4-20
5304 Broken cleaning lamp Y
wire
When the cleaning lamp Y is
driven, the lamp over-current
detection signal is detected
continuously for 10 times (1 s)
at 100 ms intervals.
Defective connec-
tor cable or poor
contact in the con-
nector. Reinsert the connector. Also check for conti-
nuity within the connector cable. If none,
replace the cable.
Drum unit Y and Drum relay PWB (YC5)
Drum relay PWB (YC1) and engine PWB
(YC34)
Defective cleaning
lamp Y. Replace the drum unit Y. (see page 1-5-21).
Defective engine
PWB. Replace the engine PWB and check for cor-
rect operation (see page 1-5-27).
6000 Broken fuser heater wire
The detected temperature of
fuser thermistor does not rise
1

C/1.8

F after the fuser
heater has been turned on
continuously for 10 s in warm-
ing up.
The fuser temperature does
not reach 100

C/212

F after
the fuser heater has been
turned on continuously for
30 s in warming up.
The detected temperature of
fuser thermistor does not
reach the specified tempera-
ture (ready indication temper-
ature) after the fuser heater
has been turned on continu-
ously for 60 s in warming up.
The detected temperature of
fuser thermistor does not rise
1

C/1.8

F after the fuser
heater has been turned on
continuously for 10 s during
printing.
Defective connec-
tor cable or poor
contact in the con-
nector. Reinsert the connector. Also check for conti-
nuity within the connector cable. If none,
replace the cable.
Fuser heater and power source PWB
(YC102)
Fuser unit and eject PWB (YC3)
Eject PWB (YC1) and engine PWB (YC19)
Deformed connec-
tor pin. See page 1-4-21.
Defective triac. See page 1-4-21.
Fuser thermostat
triggered. Reinsert the fuser unit (see page 1-5-26).
Broken fuser
heater wire. Replace the fuser unit (see page 1-5-26).
Defective engine
PWB. Replace the engine PWB and check for cor-
rect operation (see page 1-5-27).
6020 Abnormally high fuser
thermistor temperature
The fuser thermistor detects a
temperature higher than
240

C/464

F.
By the activation of the high
temperature error detection
circuit (230

C/446

F or more)
of fuser thermistor, the illumi-
nation of fuser heater was
forcibly turned off and 10 s
has elapsed.
Deformed connec-
tor pin. See page 1-4-21.
Defective triac. See page 1-4-21.
Shorted fuser
thermistor. Replace the fuser unit (see page 1-5-26).
Defective engine
PWB. Replace the engine PWB and check for cor-
rect operation (see page 1-5-27).
Code Contents Causes
Check procedures/
corrective measures