Epson AcuLaser C8500 Service Manual page 394

EPSON AcuLaser C8500
FIP-1.15 Motor 1 (PR Motor) malfunction FIP-1.15 Motor 1 (PR Motor) malfunction FIP-1.15 Motor 1 (PR Motor) malfunction FIP-1.15 Motor 1 (PR Motor) malfunction
Step
*Initial setting
Use of parts of non-EPSON specifications, improper mounting, damage, distortion, dirt,
adherence of foreign matter?
1
*Main parts to check
PROCESS DRIVE ASSY, TRANSFER ASSY, TR0 SENSOR 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?
*Process Motor operation check
3
Does the Process Motor operate when test print is conducted?
*PROCESS DRIVE ASSY mounting check
4
Is the PROCESS DRIVE ASSY mounted securely?
*TRANSFER ASSY mounting check
5
Is the TRANSFER ASSY mounted securely?
*PROCESS DRIVE ASSY check
6
Does the output shaft of the PROCESS DRIVE ASSY turn smoothly when the rotor of the
PROCESS DRIVE ASSY is turned by hand?
*TR0 SENSOR mounting check
7
Is the TR0 SENSOR mounted securely?
*TR0 SENSOR check
8 Is the TR0 SENSOR functioning properly?
• By using the DIAG tool, check by Digital Input Test device code "42".
*PROCESS DRIVE ASSY foreign matter check
9
Is the rotation of the PROCESS DRIVE ASSY blocked by foreign matters?
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
Go to step 3.
after replacing, go to
step 3.)
Go to step 4. Go to step 9.
Remount the PROCESS
Go to step 5.
DRIVE ASSY
Remount the TRANSFER
Go to step 6.
ASSY.
Remount the PROCESS
Go to step 7.
DRIVE ASSY.
With tool:
Go to step 8.
Remount the TR0
SENSOR.
Without tool:
Go to FIP-2.23
Replace the MCU PWB. Go to FIP-2.23
With tool :
Go to step 10.
Remove the foreign
matters
Without tool:
Go to FIP-2.31
Revision C
No
5-42