Epson AcuLaser C1900, Service Manual

Page: 127 / 270

EPSON AcuLaser C1900/AcuLaser C900 Revision B
Troubleshooting Status Display (AcuLaser C1900) 127
ERROR CODE: E014 “SUCTION FAN PROBLEM”
†
Detection Timing
When the Fuser Cooling Fan Motor (M5) does not operate at turning on the main
switch.
†
Solution
„
Parts which can cause the alarm:
• Fuser Cooling Fan Motor (M5)
• Engine Board (PWB-A)
• Power Supply Unit (PU)
ERROR CODE: E016 “POLYGON MOTOR PROBLEM”
ERROR CODE: E018 “LASER PROBLEM”
†
Detection Timing
When the Polygon Motor does not operate, or the laser diode (LD) does not emit
the laser beam.
†
Solution
„
Electric parts which can cause the trouble:
•
Print Head Unit
•
Engine Board (PWB-A)
• Power Supply Unit (PU)
ERROR CODE: E020
“SECONDARY TRANSFER VOLTAGE CONTACT/RELEASE PROBLEM”
†
Detection Timing
When pressing or separation of the Secondary Transfer Roller is impossible.
†
Solution
„
Electric parts which can cause the trouble:
• Transfer Roller Pressure Solenoid (SL2)
• Transfer Roller Pressure Position Detection Sensor (PC7)
•
Engine Board (PWB-A)
Table 3-8.
Step Action Refer to
WARNING DIAGRAM
Control Signal
1 Check the operation of M5. p.163 M5_REM
2 Replace the PU. - -
3 Replace the PWB-A. - -
Table 3-9.
Step Action Refer to
WARNING DIAGRAM
Control Signal
1 Replace the print head unit. - -
2 Replace the PU. - -
3 Replace the PWB-A. - -
Table 3-10.
Step Action Refer to
WARNING DIAGRAM
Control Signal
1 Check the operation of PC7. p.162 PC7_ON
2 Replace the pressing/separation
mechanism parts of the Secondary
Transfer Roller. - -
3 Check the operation of SL2. p.163 SL2_REM
4 Replace the PWB-A. - -