Epson AcuLaser C8500 Service Manual page 465

EPSON AcuLaser C8500
FIP-2.32 Faulty ROTARY MOTOR ASSY FIP-2.32 Faulty ROTARY MOTOR ASSY FIP-2.32 Faulty ROTARY MOTOR ASSY FIP-2.32 Faulty ROTARY MOTOR ASSY
Step
*Initial setting
Use of any non-EPSON specifications, improper mounting, damage, distortion, dirt,
adherence of foreign matter?
1
*Main parts to check
ROTARY MOTOR ASSY, MAIN HARNESS ASSY, MCU PWB
*ROTARY MOTOR ASSY power supply check
2
Is the voltage between P/J246-3 <=> P/J246-1 24VDC?
*LVPS power supply check
3
Is the voltage between J32-3 <=> J32-2 24VDC?
*ROTARY MOTOR ASSY power supply check
4
Is the voltage between P18-5 <=> P18-4 5VDC?
*ROTARY MOTOR ON signal voltage check
5
Is the voltage between P18-2 <=> P18-4 24VDC?
*MAIN HARNESS ASSY continuity check
6
Is there a proper continuity between J245 <=> J18?
Troubleshooting
Check
Level 2 FIP (Fault Isolation Procedure
Treatment
Yes
Replace and remount
Go to step 2.
the concerned part(s).
Go to step 4. Go to step 3.
Replace the MAIN
Go to FIP-2.2
HARNESS ASSY.
Go to step 5. Go to FIP-2.2
Go to step 6. Replace the MCU PWB.
Replace the ROTARY Replace the MAIN
MOTOR ASSY. HARNESS ASSY.
Revision C
No
5-113