Epson AcuLaser C8500 Service Manual page 445

EPSON AcuLaser C8500
FIP-2.13 REGI. CLUTCH FIP-2.13 REGI. CLUTCH FIP-2.13 REGI. CLUTCH FIP-2.13 REGI. CLUTCH
Step
*Initial setting
Use of parts of non-EPSON specifications, improper mounting, damage, distortion, dirt,
adherence of foreign matter?
1
*Main parts to check
REGI. CLUTCH, P/H HARNESS ASSY
REGI. HARNESS ASSY, MCU PWB
*REGI. CLUTCH power supply check
2
Is there 24VDC between P/J20-23PIN <=> P/J20-24PIN?
*REGI. CLUTCH check
3
Is there continuity (approx. 171
*P/H HARNESS ASSY check
4
Is there proper continuity between J20 <=> P91B?
*REGI. HARNESS ASSY continuity check
5
Is there proper continuity between J91B <=> P94PIN?
Troubleshooting
Check
Ω Ω Ω Ω
between J20-23PIN <=> J20-24PIN?
Level 2 FIP (Fault Isolation Procedure
Treatment
Yes No
Replace and remount
Go to step 2.
the concerned part(s).
Go to step 3. Go to FIP-2.1
Replace the MCU
Go to step 4.
PWB.
Replace the P/H
Go to step 5.
HARNESS.
Replace the REGI. Replace the REGI.
CLUTCH. HARNESS ASSY.
Revision C
5-93