Epson AcuLaser C4000 Service Manual page 241

EPSON AcuLaser C4000/C4100/C3000
Step
PWB Drive (PL15.1.15) continuity
1. Disconnect the P/J60 connector from the PWB Drive.
12
2. Measure the voltage between J60-1 <=> J60-2.
Is there 24V DC between J60-1 <=> J60-2?
Harness Assy 24V (PL15.2.6) continuity
1. Disconnect the P/J163 connector from the LVPS (PL15.1.10).
13
2. Measure the voltage between P163-1 <=> P163-2.
Is there 24V DC between P163-1 <=> P163-2?
Troubleshooting
Check
Level 2 FIP
Treatment
Yes
Replace the PWB Drive.
Go to step 13.
(Refer to Ch4-4.2.18.5)
Replace the Harness Assy 24V
Go to FIP-DC (Page 5-280).
(PL15.2.6).
Revision F
No
3-225