Epson AcuLaser C8500 Service Manual page 379

EPSON AcuLaser C8500
FIP-1.4 TONER CARTRIDGE BK/C/M/Y Not Mounted FIP-1.4 TONER CARTRIDGE BK/C/M/Y Not Mounted FIP-1.4 TONER CARTRIDGE BK/C/M/Y Not Mounted FIP-1.4 TONER CARTRIDGE BK/C/M/Y Not Mounted
Step
*Initial setting
Use of parts of non-EPSON specifications, improper mounting, damage, distortion, dirt,
adherence of foreign matter?
1
*Main parts to check
Toner Cartridge, CARTRIDGE SENSOR, MCU PWB
*Toner Cartridge seal check
2
Is the white reflecting seal applied to the concerned the Toner Cartridge?
*CARTRIDGE SENSOR check
3
Is the CARTRIDGE SENSOR installed properly?
*Toner Cartridge replacement check
4
Is the status solved when the concerned Toner Cartridge is replaced with a new one?
*CARTRIDGE SENSOR check
5 Is the CARTRIDGE SENSOR functioning properly?
• By using the DIAG tool, check by Digital Input Test device code "67".
Troubleshooting
Check
Level 1 FIP (Fault Isolation Procedure)
Treatment
Yes
Replace and remount the
Go to step 2.
concerned part(s).
Replace the concerned Toner
Go to step 3.
Cartridge
Remount the CARTRIDGE
Go to step 4.
SENSOR
Problem solved.
Replace the MCU PWB Go to FIP-2.20
Revision C
No
With the tool:
Go to step 5.
Without the tool:
Go to FIP-2.20
5-27