2NP
1-4-40
6150
Abnormally low fuser
thermistor 3 (press roller)
temperature
The fuser temperature lower
than 30 °C/86 °F is detected
continuously for 1 s.
Deformed connec-
tor pin.
If the I/F connector pins of the fuser unit and
the main unit are deformed owing to foreign
matters, such as paper dusts, replace the
connectors or the units including the con-
nectors.
Defective fuser
thermistor.
Replace the fuser unit (see page 1-5-17).
Defective fuser
heater.
Defective PWB.
Replace the engine PWB and check for cor-
rect operation (see page 1-5-33).
6200
Broken fuser edge heater
wire
Fuser thermistor 1 does not
reach 50° C/122 °F even
after20 s during warming up.
The detected temperature of
fuser thermistor1 does not
reach the specified tempera-
ture (ready indication temper-
ature) for 60 s in warming up
after reaching 50° C/122 °F.
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.
IH coil unit and IHPWB
IHPWB and engine PWB (YC30)
Deformed connec-
tor pin.
If the I/F connector pins of the fuser unit and
the main unit are deformed owing to foreign
matters, such as paper dusts, replace the
connectors or the units including the con-
nectors.
Fuser thermostat
triggered.
Reinsert the fuser unit (see page 1-5-17).
Broken fuser
heater wire.
Defective PWB.
Replace the IH PWB or the engine PWB and
check for correct operation (see page 1-5-
51, 1-5-33).
6220
Abnormally high fuser
thermistor 1 (edge) temper-
ature
The fuser temperature
exceeds 240 °C/464 °F for 1
s.
Deformed connec-
tor pin.
If the I/F connector pins of the fuser unit and
the main unit are deformed owing to foreign
matters, such as paper dusts, replace the
connectors or the units including the con-
nectors.
Defective cooling
fan motor.
Replace the fuser fan motor.
Defective fuser
thermistor.
Replace the fuser unit (see page 1-5-17).
Defective PWB.
Replace the engine PWB and check for cor-
rect operation (see page 1-5-33).
Code
Contents
Causes
Check procedures/
corrective measures
Y1
16
1
41-8
Se
r
vice Manual
Содержание d-Color MF2552 plus
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Страница 569: ...Installation Guide DP 770 B Document processor DP 772 Document processor Installation Guide...
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Страница 631: ...PF 791 500 x 2 Paper feeder Installation Guide...
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Страница 652: ...DF 770 D Document finisher Installation Guide...
Страница 670: ...AK 740 Bridge unit Installation Guide...
Страница 672: ...PH 7A C D Punch unit Installation Guide...
Страница 693: ...DT 730 B Document tray Installation Guide...
Страница 695: ...5 2013 5 302LC56750 01 H F G D D 6 4 3 7 E C D D M4 8 M4 8 M4 8 M4 8...
Страница 696: ...FAX System W B Installation Guide...
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