2NC/2NF/2NG/2NN/3P7/3P8/3P9
1-4-33
7800
Broken temperature sensor
wire
Input from temperature sensor
is 0.3 V (A/D value) or less
Outer temperature
sensor
1. Confirm that the wiring connector is
firmly connected and, if necessary,
connect the connector all the way in.
Temperature sensor and main/engine
PWB (YC6)
2. If the wiring is disconnected, shorted or
grounded, replace the wiring.
3. Replace the temperature sensor.
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).
7810
Short-circuited tempera-
ture sensor wire
Input from temperature sensor
is 0.3 V (A/D value) or more
Outer temperature
sensor
1. Confirm that the wiring connector is
firmly connected and, if necessary,
connect the connector all the way in.
Temperature sensor and main/engine
PWB (YC6)
2. If the wiring is disconnected, shorted or
grounded, replace the wiring.
3. Replace the temperature sensor.
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).
7900
Drum EEPROM error
No response is issued from
the device in reading/writing
for 5 ms or more and this
problem is repeated five times
successively.
DR PWB
1. Confirm that the wiring connector is
firmly connected and, if necessary,
connect the connector all the way in.
DR PWB and main/engine PWB (YC9)
2. If the wiring is disconnected, shorted or
grounded, replace the wiring.
3. Replace the Drum 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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