Utax CLP 3521

2HL/2HM/2HN-1
1-4-12
5301 Broken eraser lamp K wire
When the eraser lamp K is driven, the
eraser lamp K over-current detection sig-
nal is detected continuously for 10 times
(1 s) at 100 ms intervals.
Defective harness
between drum unit
K and drum relay
PWB (YC2/YC3),
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 K.
Replace the drum unit K. (See page 1-5-15).
Defective engine
PWB.
Replace the engine PWB (See page 1-5-
30).
5302 Broken eraser lamp C wire
When the eraser lamp C is driven, the
eraser lamp C over-current detection sig-
nal is detected continuously for 10 times
(1 s) at 100 ms intervals.
Defective harness
between drum unit
C and drum relay
PWB (YC8/YC9),
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 C.
Replace the drum unit C (See page 1-5-15).
Defective engine
PWB.
Replace the engine PWB (See page 1-5-
30).
5303 Broken eraser lamp M wire
When the eraser lamp M is driven, the
eraser lamp M over-current detection
signal is detected continuously for 10
times (1 s) at 100 ms intervals.
Defective harness
between drum unit
M and drum relay
PWB (YC11/
YC12), or improper
connector inser-
tion.
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 M.
Replace the drum unit M (See page 1-5-15).
Defective engine
PWB.
Replace the engine PWB (See page 1-5-
30).
Code Contents
Remarks
Causes Check procedures/corrective measures