2MW/2MX
1-4-13
4010 Polygon motor steady-state
error
Stable OFF is detected for 1 s
continuously after polygon
motor stabilized.
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.
Laser scanner unit and engine PWB (YC11)
Defective polygon
motor.
Replace the laser scanner unit (see page 1-
5-23).
Defective engine
PWB.
Replace the engine PWB and check for cor-
rect operation (see page 1-5-35).
4100 BD initialization error
BD is not detected within 1 s
after polygon motor stabilized.
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.
BD PWB and APC PWB (YC1)
APC PWB (YC2) and main PWB (YC103)
Defective APC
PWB.
Replace the laser scanner unit (see page 1-
5-23).
Defective BD
PWB.
Defective main
PWB.
Replace the main PWB and check for cor-
rect operation (see page 1-5-34).
4700 VIDEO ASIC device error 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.
Main PWB (YC105) and engine PWB
(YC17)
Defective main
PWB or engine
PWB.
Replace the main PWB or the engine PWB
and check for correct operation (see page 1-
5-34, 1-5-35).
6000 Broken fuser heater wire
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 fusing temperature at 5.6
seconds and 16 seconds
since fuser temperature con-
trol has occurred differs by
43°C/109.4°F or less.
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 engine PWB (YC7)
Deformed connec-
tor pin.
See page 1-4-15.
Defective triac. See page 1-4-15.
Fuser thermostat
triggered.
Reinsert the fuser unit (see page 1-5-21).
Broken fuser
heater wire.
Defective engine
PWB.
Replace the engine PWB and check for cor-
rect operation (see page 1-5-35).
Code Contents Causes
Check procedures/
corrective measures
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