Epson AcuLaser C8500 Service Manual page 471

EPSON AcuLaser C8500
*MCU PWB replacement check
10 Replace with the properly functioning MCU PWB?
Does the problem still occur?
*Initial Check
11 Double check the main parts and the related to the main parts.
Does the problem still occur?
*1: Check the state because it can be considered as a noise comes from
outside.
Troubleshooting Level 2 FIP (Fault Isolation Procedure
Go to step 11. Problem solved.
Replace and remount
Problem solved. *1
the concerned part(s).
Revision C
5-119