Kyocera ECOSYS M6026cidn Service Manual page 153

Code Contents
4700 VIDEO ASIC device error
5301 Broken cleaning lamp K
wire
When the cleaning lamp K is
driven, the lamp over-current
detection signal is detected
continuously for 10 times (1 s)
at 100 ms intervals.
5302 Broken cleaning lamp C
wire
When the cleaning lamp C is
driven, the lamp over-current
detection signal is detected
continuously for 10 times (1 s)
at 100 ms intervals.
5303 Broken cleaning lamp M
wire
When the cleaning lamp M is
driven, the lamp over-current
detection signal is detected
continuously for 10 times (1 s)
at 100 ms intervals.
Causes
Defective connec- Reinsert the connector. Also check for conti-
tor cable or poor nuity within the connector cable. If none,
contact in the con- replace the cable.
nector. Main PWB (YC39) and relay PWB (YC3)
Relay PWB (YC2, 4) and engine PWB (YC8,
9)
Defective main Replace the main PWB or the engine PWB
PWB or engine and check for correct operation (see page 1-
PWB. 5-30, 1-5-27).
Defective connec- Reinsert the connector. Also check for conti-
tor cable or poor nuity within the connector cable. If none,
contact in the con- replace the cable.
nector. Drum unit K and Drum relay PWB (YC2)
Drum relay PWB (YC1) and engine PWB
(YC34)
Defective cleaning Replace the drum unit K. (see page 1-5-21).
lamp K.
Defective engine Replace the engine PWB and check for cor-
PWB. rect operation (see page 1-5-27).
Defective connec- Reinsert the connector. Also check for conti-
tor cable or poor nuity within the connector cable. If none,
contact in the con- replace the cable.
nector. Drum unit C and Drum relay PWB (YC4)
Drum relay PWB (YC1) and engine PWB
(YC34)
Defective cleaning Replace the drum unit C. (see page 1-5-21).
lamp C.
Defective engine Replace the engine PWB and check for cor-
PWB. rect operation (see page 1-5-27).
Defective connec- Reinsert the connector. Also check for conti-
tor cable or poor nuity within the connector cable. If none,
contact in the con- replace the cable.
nector. Drum unit M and Drum relay PWB (YC3)
Drum relay PWB (YC1) and engine PWB
(YC34)
Defective cleaning Replace the drum unit M. (see page 1-5-21).
lamp M.
Defective engine Replace the engine PWB and check for cor-
PWB. rect operation (see page 1-5-27).
1-4-19
Check procedures/
corrective measures
2PX/2PY