Utax CLP 3521

2HL/2HM/2HN-1
1-4-13
5304 Broken eraser lamp Y wire
When the eraser lamp Y is driven, the
eraser lamp Y over-current detection sig-
nal is detected continuously for 10 times
(1 s) at 100 ms intervals.
Defective harness
between drum unit
Y and drum relay
PWB (YC5/YC6),
or improper con-
nector insertion.
Reinsert the connector. Also check for conti-
nuity within the connector harness. If none,
remedy or replace the harness.
Defective harness
between drum
relay PWB (YC1)
and engine PWB
(YC34), or
improper connec-
tor insertion.
Reinsert the connector. Also check for conti-
nuity within the connector harness. If none,
remedy or replace the harness.
Defective eraser
lamp Y.
Replace the drum unit Y (See page 1-5-15).
Defective engine
PWB.
Replace the engine PWB (See page 1-5-
30).
6000 Broken fuser heater lamp wire
The detected fuser thermistor tempera-
ture does not rise 1
°C/1.8°F after the
fuser heater lamp has been turned on
continuously for 10 seconds in warming
up.
The fuser temperature does not reach
100°C/212°F after the fuser heater lamp
has been turned on continuously for 40
seconds in warming up.
The detected temperature of fuser ther-
mistor does not reach the specified tem-
perature (ready indication temperature)
after fuser heater lamp has been turned
on continuously for 90 seconds in warm-
ing up.
The detected temperature of fuser ther-
mistor 2 does not rise 1
°C/1.8°F after
fuser heater lamp has been turned on
continuously for 10 seconds during print-
ing.
Defective harness
between fuser ther-
mistor and paper
exit PWB (YC4), or
improper connec-
tor insertion.
Reinsert the connector. Also check for conti-
nuity within the connector harness. If none,
remedy or replace the harness.
Defective harness
between paper exit
PWB (YC1) and
engine PWB
(YC20), or
improper connec-
tor insertion.
Reinsert the connector. Also check for conti-
nuity within the connector harness. If none,
remedy or replace the harness.
Fuser thermistor
installed incor-
rectly.
Replace the fuser unit (See page 1-5-26).
Fuser thermal cut-
out triggered.
Replace the fuser unit (See page 1-5-26).
Fuser heater lamp
installed incor-
rectly.
Replace the fuser unit (See page 1-5-26).
Broken fuser
heater lamp wire.
Replace the fuser unit (See page 1-5-26).
Defective engine
PWB.
Replace the engine PWB (See page 1-5-
30).
Code Contents
Remarks
Causes Check procedures/corrective measures