Epson AcuLaser C4000 Service Manual page 176

EPSON AcuLaser C4000/C4100/C3000
Step
ROS Assy (PL11.1.1)
1. Replace the ROS Assy with a new part. (Refer to Ch4-4.2.14.1)
10
2. Turn On the power.
Does the problem still occur?
PWBA MCU & HVPS (PL15.1.2)
1. Replace the PWBA MCU & HVPS with a new part. (Refer to Ch4-4.2.18.1)
11
2. Turn On the power.
Does the problem still occur?
Conn Assy CRUM MC (PL12.3.10)
1. Replace the Conn Assy CRUM MC.
12
2. Turn On the power.
Does the problem still occur?
Troubleshooting
Check
Level 2 FIP
Treatment
Yes
Go to step 11. Problem solved.
Go to step 12. Problem solved.
Go to FIP-Noise (Page 5-281). Problem solved.
Revision F
No
3-160