Epson ColorPage EPL-C8000 Service Manual page 436

EPSON EPL-C8000
FIP-2.36 DISPENSE MOTOR ASSY is Defective
Step Check point
Perform the preliminary inspection.
Parts to inspect:
1
DISPENSE MOTOR ASSY, MAIN HARNESS ASSY, MCU
PWB
Check: Power supply to the DISPENSE MOTOR ASSY
l
2 Is the voltage level correct at the pins below?
- P18-A8PIN<=>P18-A9PIN: 24VDC
Check: Power supply to the MAIN HARNESS ASSY
l
3 Is the voltage level correct at the pins below?
- J18<=>J55
Check: MCU PWB replacement
l
4
Does the problem still occur after replacing the MCU
PWB?
FIP-2.37 DEVE. CLUTCH ASSY is Defective.
Step Check point
Perform the preliminary inspection.
Parts to inspect:
1
DEVE. CLUTCH ASSY, MAIN HARNESS ASSY, MCU
PWB
Check: Power supply to the DEVE. CLUTCH ASSY
l
2
Is the voltage level correct at the pins below?
- P19-31PIN<=>P19-32PIN: 24VDC
Check: Power supply to the DEVE. CLUTCH ASSY
l
Does the have proper continuity at the pins belowIs the
3
voltage level correct at the pins below?
- J19-31PIN<=>J19-32PIN 150
Check: MAIN HARNESS ASSY
l
Does the MAIN HARNESS ASSY have proper
4
continuity at the pins below?
- J19<=>J56
Chapter 5 TROUBLESHOOTING
Remedy
Yes
Replace/reinstall the defective part(s).
Go to Step 3.
Go to Step 4.
Replace the DISPENSE MOTOR
ASSY.
Remedy
Yes
Replace/reinstall the defective part(s).
Go to Step 3.
Replace the MCU PWB.
Replace the DEVE. CLUTCH ASSY.
No
Go to Step 2.
Go to FIP-2.2 "LVPS 24VDC is
Defective".
Replace the MAIN HARNESS ASSY.
Problem solved.
No
Go to Step 2.
Go to FIP-2.2 "LVPS 24VDC is
Defective".
Go to Step 4.
Replace the MAIN HARNESS ASSY.
Rev. B
5-102