Epson AcuLaser C8500 Service Manual page 399

EPSON AcuLaser C8500
FIP-1.18 ADC sensor soiled FIP-1.18 ADC sensor soiled FIP-1.18 ADC sensor soiled FIP-1.18 ADC sensor soiled
Step
*Initial setting
Use of parts of non-EPSON specifications, improper mounting, damage, distortion, dirt,
adherence of foreign matter?
1
*Main parts to check
ADC SENSOR ASSY, MAIN HARNESS ASSY, MCU PWB
*Engine and controller division check
2
Can a test print (single sheet / consecutive printing, about 10 sheets each) be performed
normally with the engine alone?
*ADC Sensor surface check
3
Is/ Are there dirt or foreign matters adhering to the surface of the ADC Sensor?
*ADC SENSOR ASSY mounting check
4
Is the ADC SENSOR ASSY properly mounted?
*ADC Sensor check
5 Is the ADC Sensor functioning properly?
• By using the DIAG tool, check by the Digital Input Test device code "76"and "67".
*ADC Solenoid check
6 Is the ADC Solenoid functioning properly?
• By using the DIAG tool, check by Digital Output Test device code "36".
Troubleshooting
Check
Level 1 FIP (Fault Isolation Procedure)
Treatment
Yes
Replace and remount the
Go to step 2.
concerned part(s).
Printer controller check (If
an error still occurs after Go to step 3.
replacing, go to step 3.)
Remove the foreign
Go to step 4.
matters.
With tool:
Go to step 5.
Remount the ADC SENSOR
ASSY
Without tool:
Go toFIP-2.18
Replace the MCU PWB Go to FIP-2.18
Replace the MCU PWB Go to FIP-2.19
Revision C
No
5-47