2KR/2KS
1-4-34
C4010
Polygon motor steady-state problem
Stable OFF is detected for 20 s continu-
ously after polygon motor stability.
Poor contact in the
connector termi-
nals.
Check the connection of connector YC3 on
the engine PWB and laser scanner unit, and
the continuity across the connector termi-
nals. Repair or replace if necessary.
Defective polygon
motor.
Replace the laser scanner unit.
Defective engine
PWB.
Replace the engine PWB and check for cor-
rect operation.
C4100
BD initialization problem
5 consecutive BD errors were detected
during an 800 ms interval after the poly-
gon motor stabilized.
Poor contact in the
connector termi-
nals.
Check the connection of connector YC3 on
the engine PWB and laser scanner unit, and
the continuity across the connector termi-
nals. Repair or replace if necessary.
Defective polygon
motor.
Replace the laser scanner unit.
Defective engine
PWB.
Replace the engine PWB and check for cor-
rect operation.
C6000
Fuser heater break
Fuser thermistor 1 detected less than
70
°
C/158
°
F for 10 s during warm-up and
ready in.
During warm-up, the temperature at the
fuser unit thermistor 1 does not rise by
1
°
C/1.8
°
F continuously for 5 s.
Fuser thermistor 2 detected less than
40
°
C/104
°
F for 10 s during warm-up and
ready in.
During warm-up, the temperature at the
fuser unit thermistor 2 does not rise by
1
°
C/1.8
°
F continuously for 5 s.
Defective fuser
heater 1 or 2.
Replace the fuser heater 1 or 2.
Installation defec-
tiveness on fuser
thermistor 1 or 2.
Check the mounting state of the fuser ther-
mistor 1. If any problem is found, repair it.
Defective fuser
thermostat.
Replace the fuser thermostat.
Defective PWB.
Replace the power source PWB or engine
PWB and check for correct operation.
C6020
Abnormally high fuser thermistor
temperature
Fuser thermistor 1 or 2 is detected
250
°
C/482
°
F or more for 40 ms.
Installation defec-
tiveness on fuser
thermistor 1 or 2.
Check the mounting state of the fuser ther-
mistor 1 or 2. If any problem is found, repair
it.
Defective fuser
thermistor unit 1 or
2.
Replace the fuser thermistor 1 or 2.
Defective engine
PWB.
Replace the engine PWB and check for cor-
rect operation.
C6030
Fuser thermistor break error
The fuser thermistor break signal is
detected continuously for 1 s.
Installation defec-
tiveness on fuser
thermistor 1 or 2.
Check the mounting state of the fuser ther-
mistor 1 or 2. If any problem is found, repair
it.
Defective fuser
thermistor 1 or 2.
Replace the fuser thermistor 1 or 2.
Defective engine
PWB.
Replace the engine PWB and check for cor-
rect operation.
Code
Contents
Remarks
Causes
Check procedures/corrective measures
Содержание TASKalfa 420i
Страница 1: ...SERVICE MANUAL Published in May 2010 842KS113 2KSSM063 Rev 3 TASKalfa 420i TASKalfa 520i ...
Страница 4: ...This page is intentionally left blank ...
Страница 10: ...This page is intentionally left blank ...
Страница 14: ...2KR 2KS This page is intentionally left blank ...
Страница 224: ...2KR 2KS 1 4 66 This page is intentionally left blank ...
Страница 328: ...2KR 2KS 2 3 30 This page is intentionally left blank ...
Страница 371: ...INSTALLATION GUIDE FOR PAPER FEEDER ...
Страница 381: ...INSTALLATION GUIDE FOR 3000 SHEETS PAPER FEEDER ...
Страница 436: ...INSTALLATION GUIDE FOR CENTER FOLDING UNIT ...
Страница 450: ...INSTALLATION GUIDE FOR MAILBOX ...
Страница 458: ...INSTALLATION GUIDE FOR HOLE PUNCH UNIT ...
Страница 470: ...INSTALLATION GUIDE FOR BUILT IN FINISHER ...
Страница 483: ...INSTALLATION GUIDE FOR JOB SEPARATOR ...
Страница 491: ...INSTALLATION GUIDE FOR FAX System ...
Страница 507: ......
Страница 508: ......