Fip-2.2 Lvps 24Vdc Is Defective - Epson ColorPage EPL-C8000 Service Manual

EPSON EPL-C8000

FIP-2.2 LVPS 24VDC is Defective

Step Check point
Perform the preliminary inspection.
Parts to inspect:
1
LVPS, MCU PWB, MAIN HARNESS ASSY, FUSER ASSY,
MAIN P/H ASSY, FRONT COVER SWITCH R, P/H
HARNESS ASSY, FUSER CONNECTOR
Check: LVPS
2
Is the voltage level correct at the pins below?
- P32-11PIN<=>P32-12PIN: 24VDC
Check: Interlock path
Close the FUSER ASSY, MAIN P/H ASSY, and FRONT
COVER ASSY.
3
l
Is the voltage level correct at the pins below?
- P32-6PIN<=>P32-12PIN: 24VDC
Check: LVPS relay circuit
Close the FUSER ASSY, MAIN P/H ASSY, and FRONT
COVER ASSY.
4
l
Is the voltage level correct at the pins below?
- P32-11PIN<=>P32-12PIN: 24VDC
Check: MAIN HARNESS ASSY electrical continuity
l
Does the MAIN HARNESS ASSY have proper continuity
5
at the pins below?
- J32<=>J21
Check: FUSER ASSY installation/removal
6
l
Is the FUSER ASSY securely set?
Check: MAIN P/H ASSY installation/removal
7
l
Is the MAIN P/H ASSY securely set?
Check: Power supply to the FRONT COVER SWITCH R
l
8 Is the voltage level correct at the pins below?
- J192-1PIN<=>P32-12PIN: 24VDC
(To be continued.)
Chapter 5 TROUBLESHOOTING
Remedy
Yes
Replace/reinstall the defective part(s).
Go to Step 3.
Go to Step 4.
Go to Step 5.
Replace the MCU PWB.
Go to Step 7.
Go to Step 8.
Go to Step 9.
No
Go to Step 2.
Replace the LVPS.
Go to Step 6.
Replace the LVPS.
Replace the MAIN HARNESS ASSY.
Replace the interfering part.
Replace the interfering part.
Replace the MAIN HARNESS ASSY.
Rev. B
5-65