2LL/2LJ/2LH-1
1-4-43
7251
Short-circuited developer
thermistor
The sensor input sampling is
less than 69.
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.
Developer unit and front PWB (YC7)
Front PWB (YC2) and engine PWB (YC8)
Defective devel-
oper thermistor.
Replace developer unit (see page 1-5-28).
Defective engine
PWB.
Replace the engine PWB and check for cor-
rect operation (see page 1-5-47).
7301
Toner hopper motor error
When the toner hopper motor
is driven, toner hopper sensor
does not turn on within 200
ms. This error is detected 15
times successively.
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.
Toner hopper motor and front PWB (YC5)
Front PWB (YC3) and engine PWB (YC7)
Defective drive
transmission sys-
tem of motor.
Check if the gears rotate smoothly. If not,
grease the bushes and gears. Check for
broken gears and replace if any.
Defective toner
hopper sensor.
Replace the toner hopper sensor.
Defective toner
hopper motor.
Replace the toner hopper motor.
Defective engine
PWB.
Replace the engine PWB and check for cor-
rect operation (see page 1-5-47).
7401
Developer unit type mis-
match error
Absence of the developer unit
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.
Developer unit and front PWB (YC7)
Front PWB (YC2) and engine PWB (YC8)
Different type of
the developer unit
is installed.
Install the correct developer unit.
7460
Developer shutter error
Power is turned on while the
developer shutter is locked.
The developer
shutter has been
locked.
Release the developer shutter (see page 1-
2-12).
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.
Developer shutter sensor and front PWB
(YC4)
Front PWB (YC3) and engine PWB (YC7)
Code
Contents
Causes
Check procedures/
corrective measures
Содержание TASKalfa 3500i
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Страница 515: ...2LL 2LJ 2LH 2 2 7 45 ppm model 55 ppm model only ...
Страница 623: ...1 1 INSTALLATION GUIDE INSTALLATION GUIDE FOR DOCUMENT PROCESSOR ...
Страница 658: ...INSTALLATION GUIDE FOR PAPER FEEDER ...
Страница 671: ...INSTALLATION GUIDE FOR LARGE CAPACITY FEEDER ...
Страница 686: ...INSTALLATION GUIDE FOR SIDE DECK ...
Страница 711: ...INSTALLATION GUIDE FOR 1000 SHEETS FINISHER ...
Страница 724: ...INSTALLATION GUIDE FOR 4000 SHEETS FINISHER ...
Страница 740: ...INSTALLATION GUIDE FOR FINISHER ATTACHMENT KIT ...
Страница 754: ...INSTALLATION GUIDE FOR CENTER FOLDING UNIT ...
Страница 771: ...INSTALLATION GUIDE FOR MAILBOX ...
Страница 779: ...INSTALLATION GUIDE FOR PUNCH UNIT ...
Страница 799: ...INSTALLATION GUIDE FOR INNER JOB SEPARATOR ...
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Страница 808: ...INSTALLATION GUIDE FOR RIGHT JOB SEPARATOR ...
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Страница 811: ...INSTALLATION GUIDE FOR FAX System ...
Страница 836: ...2011 ...
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