2H0/2HZ
1-4-40
(6)
The feedshift sole-
noid does not oper-
ate.
1. Broken solenoid coil.
Check for continuity across the coil. If none, replace the solenoid.
2. Poor contact in the con-
nector terminals.
Reinsert the connector. Also check for continuity within the con-
nector cable. If none, remedy or replace the cable.
3. Defective engine PWB.
Run maintenance item U033 and check if the solenoid operates. If
not, replace the engine PWB.
(7)
The exposure lamp
does not turn on or
off.
1. Poor contact in the con-
nector terminals.
Reinsert the connector. Also check for continuity within the con-
nector cable. If none, remedy or replace the cable.
2. Defective engine PWB.
Run maintenance item U061 and check if YC16-1 and YC16-6 on
the engine PWB goes low. If not, replace the engine PWB.
If YC16-1 and YC16-6 on the engine PWB is always low, replace
the engine PWB.
3. Defective scanner
inverter PWB.
Run maintenance item U061 and check if the exposure lamp turns
on with YC1-1 and YC1-6 on the scanner inverter PWB go low. If
not, replace the scanner inverter PWB.
If the exposure lamp does not turn off with YC1-1 and YC1-6 on
the scanner inverter PWB high, replace the scanner inverter
PWB.
4. Defective exposure lamp. Replace the exposure lamp even if checking or correcting other
measures.
(8)
Main charging is not
performed.
1. Broken main charger
wire.
2. Leaking main charger
housing.
3. The connector terminals
of the high voltage PWB
make poor contact.
4. Defective engine PWB.
5. Defective high voltage
PWB.
(9)
No developing bias is
output.
1. The connector terminals
of the high voltage PWB
make poor contact.
2. Defective engine PWB.
3. Defective high voltage
PWB.
(10)
Transfer charging is
not performed.
1. The connector terminals
of the high voltage PWB
make poor contact.
2. Defective engine PWB.
3. Defective high voltage
PWB.
Problem
Causes
Check procedures/corrective measures
Summary of Contents for KM-2560
Page 1: ...SERVICE MANUAL Published in April 2008 842H0112 2H0SM062 Rev 2 KM 2560 KM 3060 ...
Page 4: ...This page is intentionally left blank ...
Page 10: ...This page is intentionally left blank ...
Page 14: ...2H0 2HZ This page is intentionally left blank ...
Page 20: ...2H0 2HZ 1 1 6 This page is intentionally left blank ...
Page 36: ...2H0 2HZ 2 1 2 16 This page is intentionally left blank ...
Page 262: ...2H0 2HZ 2 1 20 This page is intentionally left blank ...
Page 323: ...INSTALLATION GUIDE FOR PAPER FEEDER ...
Page 324: ...CAUTION 注 意 2007 6 303K656810 注 意 PRECAUCION VORSICHT ATTENZIONE ATTENTION ...
Page 347: ...INSTALLATION GUIDE FOR BUILT IN FINISHER ...
Page 359: ...INSTALLATION GUIDE FOR JOB SEPARATOR ...
Page 369: ...INSTALLATION GUIDE FOR FAX System M ...
Page 385: ...INSTALLATION GUIDE FOR Data Security Kit C ...
Page 388: ...INSTALLATION GUIDE FOR UG 30 ...
Page 391: ......
Page 392: ......