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3M9/3NA-1
1-3-9
1520
PF heater 1 high tempera-
ture error
(paper feeder 2)
A temperature higher than
75
C/167
F is detected.
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.
PF fan motor 1 and PF main PWB (YC111)
Shorted PF therm-
istor 1.
Replace the top heater unit (see page 1-4-
10).
Defective PF fan
motor 1.
Replace the top heater unit (see page 1-4-
10).
Defective PF main
PWB.
Replace the PF main PWB (see page 1-4-
6).
1530
PF heater 2 high tempera-
ture error
(paper feeder 2)
A temperature higher than
75
C/167
F is detected.
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.
PF fan motor 2 and PF main PWB (YC111)
Shorted PF therm-
istor 2.
Replace the side heater unit (see page 1-4-
10).
Defective PF fan
motor 2.
Replace the side heater unit (see page 1-4-
10).
Defective PF main
PWB.
Replace the PF main PWB (see page 1-4-
6).
1540
PF heater 1 high tempera-
ture error
(paper feeder 3)
A temperature higher than
75
C/167
F is detected.
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.
PF fan motor 1 and PF main PWB (YC111)
Shorted PF therm-
istor 1.
Replace the top heater unit (see page 1-4-
10).
Defective PF fan
motor 1.
Replace the top heater unit (see page 1-4-
10).
Defective PF main
PWB.
Replace the PF main PWB (see page 1-4-
6).
1550
PF heater 2 high tempera-
ture error
(paper feeder 3)
A temperature higher than
75
C/167
F is detected.
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.
PF fan motor 2 and PF main PWB (YC111)
Shorted PF therm-
istor 2.
Replace the side heater unit (see page 1-4-
10).
Defective PF fan
motor 2.
Replace the side heater unit (see page 1-4-
10).
Defective PF main
PWB.
Replace the PF main PWB (see page 1-4-
6).
Code
Contents
Causes
Check procedures/
corrective measures
All manuals and user guides at all-guides.com
Содержание PF-520
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