Epson AcuLaser C4000 Service Manual page 286

EPSON AcuLaser C4000/C4100/C3000
Step
ROS Assy (PL11.1.1)
1. Remove the ROS Assy. (Refer to Ch4-4.2.14.1)
14
2. Turn on the power and check that the Fan Rear (PL15.1.3) operates.
Does the Fan Rear operate?
Solenoid Feed MSI (PL7.1.40)
1. Remove the Solenoid Feed MSI. (Refer to Ch4-4.2.10.12)
15
2. Turn on the power and check that the Fan Rear (PL15.1.3) operates.
Does the Fan Rear operate?
Clutch Turn MSI (PL5.1.9)
1. Remove the Clutch Turn MSI. (Refer to Ch4-4.2.8.4)
16
2. Turn on the power and check that the Fan Rear (PL15.1.3) operates.
Does the Fan Rear operate?
Clutch Regi (PL10.1.12)
1. Remove the Clutch Regi. (Refer to Ch4-4.2.13.1)
17
2. Turn on the power and check that the Fan Rear (PL15.1.3) operates.
Does the Fan Rear operate?
HVPS Sub (PL12.1.9)
1. Remove the HVPS Sub. (Refer to Ch4-4.2.15.9)
18
2. Turn on the power and check that the Fan Rear (PL15.1.3) operates.
Does the Fan Rear operate?
Harness Assy SOS (PL15.2.5)
1. Disconnect P/J15 from the PWBA MCU & HVPS (PL15.1.2).
19
2. Turn on the power and check that the Fan Rear (PL15.1.3) operates.
Does the Fan Rear operate?
Harness Assy Front 1 (PL15.2.7) and Harness Assy Front 2 (PL7.1.2)
1. Disconnect P/J13 from the PWBA MCU & HVPS (PL15.1.2).
20
2. Turn on the power and check that the Fan Rear (PL15.1.3) operates.
Does the Fan Rear operate?
Troubleshooting
Check
Level 2 FIP
Treatment
Yes
Replace the ROS Assy. (Refer
Go to step 15.
to Ch4-4.2.14.1)
Replace the Solenoid Feed MSI.
Go to step 16.
(Refer to Ch4-4.2.10.12)
Replace the Clutch Turn MSI.
Go to step 17.
(Refer to Ch4-4.2.8.4)
Replace the Clutch Regi.
Go to step 18.
(Refer to Ch4-4.2.13.1)
Replace the HVPS Sub.
Go to step 19.
(Refer to Ch4-4.2.15.9)
Replace the Harness Assy SOS
Go to step 20.
(PL15.2.5).
Replace the PWBA MCU &
Go to step 21.
HVPS. (Refer to Ch4-4.2.18.1)
Revision F
No
3-270