2H0/2HZ-1
1-4-25
C4000
Polygon motor synchronization prob-
lem
The polygon motor does not reach the
stable speed within 20 s of the START
signal turning on.
Poor contact in the
connector termi-
nals.
Check the connection of connector YC2 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.
C4010
Polygon motor steady-state problem
Stable OFF is detected for 5 s continu-
ously after polygon motor stability.
Poor contact in the
connector termi-
nals.
Check the connection of connector YC2 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.
C4200
BD steady-state problem
ASIC detects a BD error A for 2 s after
the polygon motor rotation has been sta-
bilized.
Poor contact in the
connector termi-
nals.
Check the connection of connector YC2 on
the engine PWB and laser scanner unit, and
the continuity across the connector termi-
nals. Repair or replace if necessary.
Defective laser
scanner unit.
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
40
°
C/104
°
F for 10 s during warm-up and
ready in.
Defective fuser
heater M or S.
Replace the fuser heater M or S.
Installation defec-
tiveness on fuser
thermistor 1.
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
center temperature
Fuser thermistor 2 is detected 230
°
C/
446
°
F or more for 40 ms.
Installation defec-
tiveness on fuser
thermistor 2.
Check the mounting state of the fuser ther-
mistor 2. If any problem is found, repair it.
Defective fuser
thermistor 2.
Replace the fuser thermistor 2.
Defective engine
PWB.
Replace the engine PWB and check for cor-
rect operation.
C6050
Abnormally low fuser thermistor cen-
ter temperature
Fuser thermistor 2 is detected 100
°
C/
212
°
F less than 1 s continuously during
copying.
Defective fuser
heater M or S.
Replace the fuser heater M or S.
Installation defec-
tiveness on fuser
thermistor 2.
Check the mounting state of the fuser ther-
mistor 2. If any problem is found, repair it.
Defective PWB.
Replace the power source PWB or engine
PWB and check for correct operation.
Code
Contents
Remarks
Causes
Check procedures/corrective measures
Содержание KM-2560
Страница 1: ...SERVICE MANUAL Published in April 2008 842H0112 2H0SM062 Rev 2 KM 2560 KM 3060 ...
Страница 4: ...This page is intentionally left blank ...
Страница 10: ...This page is intentionally left blank ...
Страница 14: ...2H0 2HZ This page is intentionally left blank ...
Страница 20: ...2H0 2HZ 1 1 6 This page is intentionally left blank ...
Страница 36: ...2H0 2HZ 2 1 2 16 This page is intentionally left blank ...
Страница 202: ...2H0 2HZ 1 5 22 16 Remove four pins 17 Remove the scanner unit Figure 1 5 41 Pin Pin Scanner unit Pin Pin ...
Страница 262: ...2H0 2HZ 2 1 20 This page is intentionally left blank ...
Страница 323: ...INSTALLATION GUIDE FOR PAPER FEEDER ...
Страница 324: ...CAUTION 注 意 2007 6 303K656810 注 意 PRECAUCION VORSICHT ATTENZIONE ATTENTION ...
Страница 347: ...INSTALLATION GUIDE FOR BUILT IN FINISHER ...
Страница 359: ...INSTALLATION GUIDE FOR JOB SEPARATOR ...
Страница 369: ...INSTALLATION GUIDE FOR FAX System M ...
Страница 385: ...INSTALLATION GUIDE FOR Data Security Kit C ...
Страница 388: ...INSTALLATION GUIDE FOR UG 30 ...
Страница 391: ......
Страница 392: ......