Level 2 Fip - Epson AcuLaser C8500 Service Manual

EPSON AcuLaser C8500
5.3 Level 2 FIP (Fault Isolation Procedure
FIP-2.1 FaultyLVPS ５ VDC FIP-2.1 FaultyLVPS ５ VDC FIP-2.1 FaultyLVPS ５ VDC FIP-2.1 FaultyLVPS ５ VDC
Step
*Initial setting
Use of parts of non-EPSON specifications, improper mounting, damage, distortion, dirt, adherence
of foreign matter?
1
*Main parts to check
LVPS, MCU PWB, MAIN HARNESS ASSY
*LVPS check
P32-15PIN<=>P32-17PIN
2 P33-1PIN<=>P33-4PIN
P33-2PIN<=>P33-5PIN
P33-3PIN<=>P33-6PIN
*MAIN HARNESS ASSY continuity check
3
Is there a continuity between J33 <=> J12?
FIP-2.2 IP 2.2 Faulty LVPS 24VDC FIP-2.2 IP 2.2 Faulty LVPS 24VDC FIP-2.2 IP 2.2 Faulty LVPS 24VDC FIP-2.2 IP 2.2 Faulty LVPS 24VDC
Step
*Initial setting
Use of parts of non-EPSON specifications, improper mounting, damage, distortion, dirt,
adherence of foreign matter?
*Main parts to check
1
LVPS, MCU PWB, MAIN HARNESS ASSY, FUSER ASSY
MAIN P/H FRAME ASSY, FRONT COVER SWITCH L
P/H HARNESS ASSY, FUSER CONNECTOR
*LVPS check
2
Is the voltage between P32-6PIN <=> P32-4PIN 24VDC?
Troubleshooting
Check
Check
Level 2 FIP (Fault Isolation Procedure
Treatment
Yes
Replace and remount
Go to step 2.
the concerned part(s).
Go to step 3. Replace the LVPS.
Replace the MAIN
Replace the MCU PWB.
HARNESS ASSY.
Treatment
Yes
Replace and remount
Go to step 2.
the concerned part(s).
Go to step 5. Go to step 3.
Revision C
No
No
5-80