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1-4-20
6120
Abnormally high fuser
thermistor 1 temperature
The detection temperature of
fuser thermistor 1 is higher
than 245°C/473°F.
In a heater-off state, the
detection temperature of fuser
thermistor 1 is higher than
195°C/383°F after the detec-
tion temperature of fuser
thermistor 1 was 155°C/311°F
or less.
Deformed connec-
tor pin.
See page 1-4-19.
Defective triac.
See page 1-4-19.
Shorted fuser
thermistor.
Replace the fuser unit (see page 1-5-19).
Defective engine
PWB.
Replace the engine PWB and check for cor-
rect operation (see page 1-5-22).
6130
Broken fuser thermistor 1
wire
A/D value of the fuser thermis-
tor 1 exceeds 1019 bit contin-
uously for 4 s during warming
up.
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 thermistor and fuser thermistor con-
nect PWB(YC1)
Fuser thermistor connect PWB(YC3) and
engine PWB (YC21)
Deformed connec-
tor pin.
See page 1-4-19.
Defective triac.
See page 1-4-19.
Defective fuser
thermistor.
Replace the fuser unit (see page 1-5-19).
Defective engine
PWB.
Replace the engine PWB and check for cor-
rect operation (see page 1-5-22).
6400
Zero-cross signal error
While fuser heater control is
performed, the zero-cross sig-
nal is not input within 2 s.
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.
Power source PWB (YC3) and engine PWB
(YC1)
Defective power
source PWB or
engine PWB.
Replace the power source PWB or the
engine PWB and check for correct operation
(see page 1-5-22).
Code
Contents
Causes
Check procedures/
corrective measures
Содержание PG L2555
Страница 1: ...SERVICE MANUAL PG L2555 PG L2550 PG L2545 PF 320 PF 3100...
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Страница 107: ...1 4 40 This page is intentionally left blank...
Страница 109: ...1 5 2 Figure 1 5 2...
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Страница 181: ...2 3 19 2 3 5 High voltage PWB HVPWB Figure 2 3 5 High voltage silk screen diagram and Photograph YC102 YC101 1 18 1 3...
Страница 194: ...2 4 12 This page is intentionally left blank...
Страница 199: ...Installation Guide 500 sheets paper feeder Installation Guide...
Страница 201: ...Printed in China 303NY5631002 Rev 1 2012 8 G G G G G G...
Страница 202: ...2000 sheets bulk feeder Installation Guide...
Страница 204: ...Printed in China 303KF5632002 Rev 1 2012 7 1 2 3 4 1 2 3 1mm PF 315...
Страница 205: ...SSD HD 6 HD 7 Installation Guide...
Страница 206: ......
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Страница 208: ...IEEE1284 Interface Installation Guide...
Страница 211: ...Network interface Installation Guide...
Страница 214: ......
Страница 215: ...OS...
Страница 216: ...Wireless LAN interface Installation Guide...
Страница 219: ...SERVICE MANUAL Published in August 2012 843NY110 3NYSM060 First Edition PF 320...
Страница 223: ...1 1 2 1 1 2 Parts names Figure 1 1 1 4 4 3 1 2 1 Cassette 2 Papersize window 3 Interface connector 4 Pins...
Страница 224: ...1 1 3 1 1 3 Machine cross section Figure 1 1 2 Machine cross section Paper path...
Страница 249: ...SERVICE MANUAL Published in August 2016 843S3110 3S3SM060 First edition PF 3100...
Страница 252: ...2 4 Appendixes 2 4 1 Wiring diagram 2 4 1...
Страница 286: ...2 1 4 This page is intentionally left blank...
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