Epson AcuLaser C8500 Service Manual page 392

EPSON AcuLaser C8500
FIP-1.14 P/H MOTOR malfunction FIP-1.14 P/H MOTOR malfunction FIP-1.14 P/H MOTOR malfunction FIP-1.14 P/H 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
P/H MOTOR ASSY, HEAT ROLL, PRESSURE ROLL, FUSER ASSY, BELT CLEANER ASSY,
EXIT LOWER ASSY, FEED ROLL ASSY, MAIN P/H ASSY, WASTE TONER BOX, 2ND BTR
CAM ASSY, AUGER HIGH 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?
*P/H Motor operation check
3
When the test print is conducted, does the P/H Motor slightly operate and stop?
*P/H Motor operation check
4
When the test print is conducted, does the P/H Motor stop?
*Drive transmission check
Does the rotor of the P/H MOTOR ASSY turn smoothly?
5
• Check by turning the rotor of the P/H MOTOR ASSY in the counterclockwise direction
with your hand.
*FUSER ASSY check
6 Do the HEAT ROLL and PRESSURE ROLL turn smoothly?
• Check by turning INPUT GEAR FT1 with your hand.
*BELT CLEANER ASSY check
7 Does the BELT CLEANER ASSY turn smoothly?
• Check by turning the gear with your hand.
*EXIT LOWER ASSY check
8 Does the EXIT LOWER ASSY turn smoothly?
• Check by turning the EXIT IDLER GEAR with your hand.
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.)
Go to step 5. Go to step 4.
Go to FIP-2.31 Replace the MCU PWB.
Replace the P/H MOTOR
Go to step 6.
ASSY.
Go to step 7. Replace the faulty part(s).
Replace the BELT
Go to step 8.
CLEANER ASSY.
Go to step 9. Replace the faulty part(s).
Revision C
No
5-40