Epson AcuLaser C8500 Service Manual page 385

EPSON AcuLaser C8500
*FUSER IN SENSOR check
7 Is the FUSER IN SENSOR functioning properly?
• By using the DIAG tool, check by Digital Input Test device code "24" .
*FUSER DRIVE ASSY check
8
Is the FUSER DRIVE ASSY improperly mounted? Are the gears faulty?
*FUSER ASSY check
9
Will the status be solved if the FUSER ASSY is replaced?
*FUSER IN ACTUATOR check
Does the FUSER IN ACTUATOR operate smoothly?
10
when there is paper and it is removed from the FUSER IN SENSOR detection section, or
when there is no paper and the FUSER IN SENSOR detection section is screened off?
*FUSER IN SENSOR check
11 Is the FUSER IN SENSOR functioning properly?
• By using the DIAG tool, check by Digital Input Test device code "28" .
*FUSER DRIVE ASSY check
12
Is the FUSER DRIVE ASSY improperly mounted? Are the gears faulty?
*FUSER ASSY check
13
Will the status be solved if the FUSER ASSY is replaced?
Troubleshooting Level 1 FIP (Fault Isolation Procedure)
Go to step 8. Go to FIP-2.25
Replace or remount the
Go to step 9.
FUSER DRIVE ASSY
Replace the FUSER ASSY Replace the MCU PWB.
With tool:
Go to step 11.
Replace the faulty part(s)
Without tool:
Go to FIP-2.25
Go to step 12. Go to FIP-2.25
Replace or remount the
Go to step 13.
FUSER DRIVE ASSY.
Replace the FUSER ASSY Replace MCU PWB
Revision C
5-33