Epson ColorPage EPL-C8000 Service Manual page 415

EPSON EPL-C8000
FIP-2.16 PRE-REGI. CLUTCH is Defective
Step Check point
Perform the preliminary inspection.
Parts to inspect:
1
REGI. CLUTCH, P/H HARNESS ASSY, REGI. HARNESS
ASSY, MCU PWB
Check: Power supply to the REGI. CLUTCH
l
2 Is the voltage level correct at the pins below?
- P/J20-25PIN<=>P/J20-27PIN: 24VDC
Check: REGI. CLUTCH
l
Does the REGI. CLUTCH have proper continuity at the
pins below?
3
- Pins: J20-25PIN<=>J20-27PIN
- Resistance: 174
Check: P/H HARNESS ASSY
l
Does the P/H HARNESS ASSY have proper continuity
4
at the pins below?
- J20<=>P91
Check: REGI. HARNESS ASSY
l
Does the REGI. HARNESS ASSY have proper
5
continuity at the pins below?
- J91<=>P110PIN
Chapter 5 TROUBLESHOOTING
Remedy
Yes
Replace/reinstall the defective part(s).
Go to Step 3.
Replace the MCU PWB
Go to Step 5.
Replace the REGI. CLUTCH.
No
Go to Step 2.
Go to FIP-2.2 "LVPS 24VDC is
Defective".
Go to Step 4.
Replace the P/H HARNESS ASSY.
Replace the REGI. HARNESS ASSY.
Rev. B
5-81