Epson AcuLaser M2000D Service Manual page 71

EPSON AcuLaser M2000D/M2000DN/M2010D/M2010DN
Problem Possible cause
Developing The developing clutch
clutch does not coils have breaks.
operate.
Poor connection
between the
developing clutch and
the Main Board Assy.
(YC808).
The Main Board Assy.
is faulty.
MP paper feed The MP paper feed
solenoid does not solenoid coils have
operate. breaks.
Poor connection
between the MP paper
feed solenoid and the
Main Board Assy.
(YC809).
The Main Board Assy.
is faulty.
Duplex solenoid The duplex solenoid
does not operate. coils have breaks.
Poor connection
between the duplex
solenoid and the Main
Board Assy. (YC817).
The Main Board Assy.
is faulty.
TROUBLESHOOTING
Checkpoint & Remedy
Check the coils for electric continuity. If no
continuity is found, replace the developing clutch.
(See P. 98)
Reconnect the connector cable properly.
Check the connector cable for electric continuity.
If no continuity is found, replace the cable.
Replace the Main Board Assy. (See P. 92)
Check the coils for electric continuity. If no
continuity is found, replace the MP paper feed
solenoid. (See P. 92)
Reconnect the connector cable properly.
Check the connector cable for electric continuity.
If no continuity is found, replace the cable.
Replace the Main Board Assy. (See P. 92)
Check the coils for electric continuity. If no
continuity is found, replace the duplex solenoid
(paper eject unit). (See P. 106)
Reconnect the connector cable properly.
Check the connector cable for electric continuity.
If no continuity is found, replace the cable.
Replace the Main Board Assy. (See P. 92)
Problem Possible cause
Eraser lamp does Poor connection
not turn on. between the eraser
lamp (YC701) and the
Main Board Assy.
(YC816).
The eraser lamp is
faulty.
The Main Board Assy.
is faulty.
The machine The paper sensor is
does not detect faulty.
paper loaded in
Poor connection
the cassette.
between the paper
sensor and the Main
Board Assy. (YC806).
A paper jam in Paper dust or other
the paper feed/ foreign matter on/
conveying around the registration
section or fuser sensor or the exit
section is sensor.
indicated when
The registration sensor
the power switch
on the HVPS is faulty.
is turned on.
The exit sensor is
faulty.
The machine The interlock switch
does not detect on the LVPS is faulty.
that the top cover
is closed.
Troubleshooting
Revision B
Checkpoint & Remedy
Reconnect the connector cable properly.
Check the connector cable for electric continuity.
If no continuity is found, replace the cable.
Check the eraser lamp for electric continuity. If no
continuity is found, replace the eraser lamp.
P. 119)
Replace the Main Board Assy. (See P. 92)
Replace the paper sensor. (See P. 87)
Reconnect the connector cable properly.
Check the connector cable for electric continuity.
If no continuity is found, replace the cable.
Remove any paper dust or foreign matter.
Replace the HVPS. (See P. 75)
Replace the exit sensor (fuser unit). (See P. 106)
Check both terminals of the interlock switch for
electric continuity. If no continuity is found when
the switch is turned on, replace the LVPS.
P. 75)
Confidential
(See
(See
62