Epson Aculaser C9200N, Service Manual

Page: 120 / 441

EPSON AcuLaser C9200N Revision D
Troubleshooting Service Call Error 120
Confidential
E521: COLOR DEVELOPING MOTOR'S TURNING AT ABNORMAL
TIMING
E550: SUCTION FAN MOTOR'S FAILURE TO TURN
E551: COOLING FAN MOTOR/1'S FAILURE TO TURN
E552: FUSING COOLING FAN MOTOR /1'S FAILURE TO TURN
Relevant Electrical Parts
†
Color Developing Motor (M3)
†
DC Power Supply (PU1)
†
Mechanical Control Board (PWB-M)
Step Action
Connection Diagram
Control Signal
Location
(electrical parts)
1 M3 operation check PWB-M CNDM2-5 (REM)
PWB-M CNDM2-8 (LOCK)
C-22
2 Change PU1 --- ---
3 Change PWB-M (p.198) --- ---
Relevant Electrical Parts
†
Mechanical Control Board (PWB-M)
†
Right Door
Step Action
Connection Diagram
Control Signal
Location
(electrical parts)
1 Check the connector of motor for
proper connection and correct as
necessary. --- ---
2 Change Right Door (p.260) --- ---
3 Change PWB-M (p.198) --- ---
Relevant Electrical Parts
†
Cooling Fan Motor/1 (M12)
†
Mechanical Control Board (PWB-M)
Step Action
Connection Diagram
Control Signal
Location
(electrical parts)
1 heck the connector of motor for
proper connection and correct as
necessary. --- ---
2 Check the fan for possible overload
and correct as necessary. --- ---
3 M12 operation check PWB-M CNDM2-15 (REM)
PWB-M CNDM2-16 (LOCK)
C-22
4 Change PWB-M (p.198) --- ---
Relevant Electrical Parts
†
Fusing Cooling Fan Motor/1 (M13)
†
Mechanical Control Board (PWB-M)
Step Action
Connection Diagram
Control Signal
Location
(electrical parts)
1 Check the connector of motor for
proper connection and correct as
necessary. --- ---
2 Check the fan for possible overload
and correct as necessary. --- ---
3 M13 operation check PWB-M CNLP-9 (ON)
PWB-M CNLP-11 (LOCK)
C-11
4 Change PWB-M (p.198) --- ---