Epson AcuLaser C8500 Service Manual page 467

EPSON AcuLaser C8500
FIP-2.34 Faulty DEVE. CLUTCH ASSY FIP-2.34 Faulty DEVE. CLUTCH ASSY FIP-2.34 Faulty DEVE. CLUTCH ASSY FIP-2.34 Faulty DEVE. CLUTCH ASSY
Step
*Initial setting
Use of any non-EPSON specifications, improper mounting, damage, distortion, dirt,
adherence of foreign matter?
1
*Main parts to check
DEVE. CLUTCH ASSY, MAIN HARNESS ASSY, MCU PWB
*DEVE. CLUTCH ASSY power supply check
2
Is the voltage between P18-21PIN <=> P21-3PIN 24VDC?
*DEVE. CLUTCH ASSY check
3
Is there a continuity (approx. 150
*MAIN HARNESS ASSY check
4
Is there a proper continuity between J18 <=> J56?
Troubleshooting
Check
Ω Ω Ω Ω
between P18-21PIN <=> P21-3PIN?
Level 2 FIP (Fault Isolation Procedure
Treatment
Yes
Replace and remount the
Go to step 2.
concerned part(s).
Go to step 3. Go to FIP-2.2
Replace the MCU PWB. Go to step 4.
Replace the DEVE. Replace the MAIN
CLUTCH ASSY. HARNESS ASSY.
Revision C
No
5-115