Epson AcuLaser M2000D - Electrical Problems Troubleshooting

EPSON AcuLaser M2000D/M2000DN/M2010D/M2010DN Revision B
TROUBLESHOOTING Troubleshooting 61
Confidential
3.4.5 Electrical Problems
Problem Possible cause Checkpoint & Remedy
The machine
does not operate
when the power
switch is turned
on.
The AC power source
is not powered.
Measure the input voltage.
The power plug is not
properly inserted.
Make sure the power plug is properly inserted into
the power source.
The top cover is not
completely closed.
Close the top cover completely.
The power code has
breaks.
Check the code for electric continuity. If no
continuity is found, replace the code.
The power switch is
faulty.
Check the contact points of the power switch for
electric continuity. If no continuity is found, replace
the code.
The fuse on the power
supply board has
burned out.
Replace the LVPS. (See P. 75)
The interlock switch is
faulty.
Check both terminals of the interlock switch for
electric continuity. If no continuity is found, replace
the LVPS. (See P. 75)
The LVPS is faulty. Replace the LVPS. (See P. 75)
The Main Board Assy.
is faulty.
Replace the Main Board Assy. (See P. 92)
Right cooling fan
motor does not
operate.
The right cooling fan
motor coils have
breaks.
Check the coils for electric continuity. If no
continuity is found, replace the right cooling fan
motor. (See P. 69)
Poor connection
between the right
cooling fan motor and
the Main Board Assy.
(YC815).
 Reconnect the connector cable properly.
 Check the connector cable for electric continuity.
If no continuity is found, replace the cable.
The Main Board Assy.
is faulty.
Replace the Main Board Assy. (See P. 92)
Left cooling fan
motor does not
operate.
The left cooling fan
motor coils have
breaks.
Check the coils for electric continuity. If no
continuity is found, replace the left cooling fan
motor. (See P. 113)
Poor connection
between the left
cooling fan motor and
the LVPS (YC104).
 Reconnect the connector cable properly.
 Check the connector cable for electric continuity.
If no continuity is found, replace the cable.
The Main Board Assy.
is faulty.
Replace the Main Board Assy. (See P. 92)
Registration
clutch does not
operate.
The registration clutch
coils have breaks.
Check the coils for electric continuity. If no
continuity is found, replace the registration clutch.
(See P. 98)
Poor connection
between the
registration clutch and
the Main Board Assy.
(YC808).
 Reconnect the connector cable properly.
 Check the connector cable for electric continuity.
If no continuity is found, replace the cable.
The Main Board Assy.
is faulty.
Replace the Main Board Assy. (See P. 92)
Paper feed clutch
does not operate.
The paper feed clutch
coils have breaks.
Check the coils for electric continuity. If no
continuity is found, replace the paper feed clutch.
(See P. 98)
Poor connection
between the paper
feed clutch and the
Main Board Assy.
(YC808).
 Reconnect the connector cable properly.
 Check the connector cable for electric continuity.
If no continuity is found, replace the cable.
The Main Board Assy.
is faulty.
Replace the Main Board Assy. (See P. 92)
Problem Possible cause Checkpoint & Remedy