7-40
Troubleshooting
>
Self-diagnostic function
[CONFIDENTIAL]
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
detection temperature of fuser
thermistor 1 was 155°C/311°F or
less.
Deformed connector
pin.
See page
.
Defective triac.
See page
.
Shorted fuser
thermistor.
Replace the fuser unit.
Defective engine PWB. Replace the engine PWB and check for correct
operation.
6130
Broken fuser thermistor 1 wire
A/D value of the fuser thermistor 1
exceeds 1019 bit continuously for 4 s
during warming up.
Defective connector
cable or poor contact in
the connector.
Reinsert the connector. Also check for continuity within
the connector cable. If none, replace the cable.
Fuser thermistor and fuser thermistor connect
PWB(YC1)
Fuser thermistor connect PWB(YC3) and engine PWB
(YC21)
Deformed connector
pin.
See page
.
Defective triac.
See page
.
Defective fuser
thermistor.
Replace the fuser unit.
Defective engine PWB. Replace the engine PWB and check for correct
operation.
6400
Zero-cross signal error
While fuser heater control is
performed, the zero-cross signal is
not input within 2 s.
Defective connector
cable or poor contact in
the connector.
Reinsert the connector. Also check for continuity 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.
7100
Toner sensor error
Sensor output value of 930 or more
continuously for 5 s.
Defective connector
cable or poor contact in
the connector.
Reinsert the connector. Also check for continuity within
the connector cable. If none, replace the cable.
Toner sensor and drum PWB (YC3)
Drum connect PWB(YC2) and relay-L PWB (YC3)
Relay-L PWB(YC1) and engine PWB (YC2)
Defective toner sensor.
Replace the developer unit.
Defective engine PWB. Replace the engine PWB and check for correct
operation.
7400
Developer unit non-installing error
Sensor output value of 31 or less
continuously for 5 s.
Defective connector
cable or poor contact in
the connector.
Reinsert the connector. Also check for continuity within
the connector cable. If none, replace the cable.
Toner sensor and drum PWB (YC3)
Drum connect PWB(YC2) and relay-L PWB (YC3)
Relay-L PWB(YC1) and engine PWB (YC2)
Defective toner sensor.
Replace the developer unit.
Defective engine PWB. Replace the engine PWB and check for correct
operation.
Code
Contents
Causes
Check procedures/
corrective measures
Содержание CA-3100
Страница 118: ...4 20 Maintenance Assembly and disassembly a d c f e e c ...
Страница 131: ...4 33 Maintenance Assembly and disassembly a b c c d c ...
Страница 134: ...4 36 Maintenance Assembly and disassembly c b a b ...
Страница 146: ...4 48 Maintenance Assembly and disassembly Optional items a b c d ...
Страница 148: ...4 50 Maintenance Assembly and disassembly Optional items a b c ...
Страница 243: ...8 16 PWBs Description for PWB CONFIDENTIAL 5 Operation PWB 5 1 PWB photograph 5 2 Connector position YC1 1 12 YC2 1 2 ...
Страница 268: ...付録 Installation guide CONFIDENTIAL 9 5 Installation guide 1 IB 50 IB 50 Network interface INSTALLATION GUIDE ...
Страница 271: ... CONFIDENTIAL 2 IB 51 IB 51 Wireless Interface INSTALLATION GUIDE ...
Страница 274: ...付録 Installation guide CONFIDENTIAL 3 IB 32B IB 32B IEEE1284 Interface INSTALLATION GUIDE ...
Страница 277: ...付録 Installation guide CONFIDENTIAL 4 PF 3110 PF 3110 500 sheet 1 Paper feeder INSTALLATION GUIDE ...
Страница 278: ... CONFIDENTIAL PF 3110 PF 3110 PF 3110 PF 3110 PF 3110 PF 3110 For Canada CAN ICES 3B NMB 3B 1 2 ...
Страница 279: ... CONFIDENTIAL Printed in China 303SA5614001 First edition 2017 11 For Legal Folio OficioII 1 1 1 1 2 2 2 2 ...
Страница 280: ...付録 Installation guide CONFIDENTIAL 5 PF 3100 PF 3100 2000 sheets 1 bulk feeder INSTALLATION GUIDE ...
Страница 282: ... CONFIDENTIAL 3 5 6 4 1 2 1 2 3 1mm 㟝㫴G㤵㣠 1 2 㛅 G㣙㾌 PF 3100 㦹㢨G㣰G㥐ᶤ ...
Страница 283: ... Installation guide 6 HD 6 HD 7 HD 6 HD 7 INSTALLATION GUIDE ...
Страница 285: ... Installation guide 7 CA 3100 CA 3100 INSTALLATION GUIDE ...
Страница 287: ... CONFIDENTIAL B 6 B 7 B 8 b c b c b c b c B 9 d d d c d c d c B 4 B 5 c b c b b c d c b c d c d d ...