2NC/2NF/2NG/2NN/3P7/3P8/3P9
1-4-28
6000
Broken fuser heater wire
(main)
When the fuser thermistor 1
reaches primary stable tem-
perature after a warm-up start
and the fuser thermistor 2 is
less than 90 ° C/194 °F.
Fuser unit
1. Check that no paper jam is present.
2. Confirm that the wiring connector is
firmly connected and, if necessary,
connect the connector all the way in.
Fuser unit and mmain/engine PWB
(YC14)
3. If the wiring is disconnected, shorted or
grounded, replace the wiring.
4. Replace the Fuser unit and execute
U167 counter clear (see page 1-3-56).
(Deteriorated sensitivity due to the toner
adhered to the center thermistor.)
Main/Engine PWB
1. Check the main/engine software and
upgrade to the latest, if necessary.
2. Replace the main/engine PWB (see
page 2-2-11).
Power source
PWB
1. Confirm that the wiring connector is
firmly connected and, if necessary,
connect the connector all the way in.
Power source PWB (YC4) and main/
engine PWB (YC14)
2. Replace the power source PWB (see
page 2-2-27).
Fuser heater
1. Replace the Fuser unit and execute
U167 counter clear (see page 1-3-56).
6020
Abnormally high fuser
thermistor 2 temperature
(Center)
Fuser thermistor 2 detects a
temperature higher than
210°C/410°F.
Fuser unit
1. Confirm that the wiring connector is
firmly connected and, if necessary,
connect the connector all the way in.
Fuser unit and main/engine PWB
(YC14)
2. If the wiring is disconnected, shorted or
grounded, replace the wiring.
3. Replace the Fuser unit (see page 1-5-
Main/Engine PWB
1. Check the main/engine software and
upgrade to the latest, if necessary.
2. Replace the main/engine PWB (see
page 2-2-11).
Code
Contents
Related parts
Check procedures/
corrective measures
Summary of Contents for DP-480
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Page 18: ...2NC 2NF 2NG 2NN 3P7 3P8 3P9 This page is intentionally left blank ...
Page 54: ...2NC 2NF 2NG 2NN 3P7 3P8 3P9 1 2 24 This page is intentionally left blank ...
Page 172: ...2NC 2NF 2NG 2NN 3P7 3P8 3P9 1 3 118 This page is intentionally left blank ...
Page 278: ...2NC 2NF 2NG 2NN 3P7 3P8 3P9 2 1 4 106 This page is intentionally left blank ...
Page 434: ...2NC 2NF 2NG 2NN 3P7 3P8 3P9 2 2 44 This page is intentionally left blank ...
Page 446: ...2NC 2NF 2NG 2NN 3P7 3P8 3P9 2 3 12 This page is intentionally left blank ...
Page 455: ...Installation Guide DP 480 Document processor Installation Guide ...
Page 458: ...2 3 4 5 6 A ...
Page 459: ...3 7 8 9 B C C ...
Page 460: ...4 10 ...
Page 473: ...PF 480 300 sheet Paper feeder Installation Guide ...
Page 476: ...2 5 6 4 3 B M3x8 B M3x8 B M3x8 B M3x8 1 2 ...
Page 477: ...3 9 10 8 7 1 2 ...
Page 478: ...4 13 12 11 1 2 C ...
Page 479: ...5 15 14 E D D E D D E D D E D D ...
Page 482: ...DU 480 duplex unit Installation Guide ...
Page 484: ...1 2 3 1 A B M3x8 ...
Page 485: ...2 6 7 5 4 A A B M3x8 ...
Page 489: ...IB 33 Network interface kit Installation Guide ...
Page 490: ...2 3 1 IB 33 2013 7 303PB56710 01 A B ...
Page 491: ...6 7 5 4 2013 7 303PB56710 01 B YC2007 A ...
Page 492: ...FAX System X Installation Guide ...
Page 495: ...2 5 4 3 2 B M3x8 A YC 2003 ...
Page 496: ...3 8 9 7 6 C G G 8 9 7 6 C ...
Page 497: ...4 11 10 12 13 D D E ...
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