Fip-2.5 Size Switch Assy Is Defective - Epson ColorPage EPL-C8000 Service Manual

EPSON EPL-C8000

FIP-2.5 SIZE SWITCH ASSY is Defective

Step Check point
Perform the preliminary inspection.
1 Parts to inspect:
SIZE SWITCH ASSY, MAIN HARNESS ASSY, MCU PWB
Check: Power supply to the SIZE SWITCH ASSY
l
2
Is the voltage level correct at the pins below?
- P19-27PIN<=>P19-26PIN: 5VDC
Check: REGI. detection signal
l
Is the correct voltage output at the pins below
depending on the paper size?
3
- Pins: P/J19-28PIN<=>P/J19-26PIN
NOTE: For the correct voltages, refer to Chapter 2/Section
2.7.1 "Paper Size Control".
Check: MAIN HARNESS ASSY electrical continuity
l
Does the MAIN HARNESS ASSY have proper
4
continuity at the pins below?
- J102<=>J19
Chapter 5 TROUBLESHOOTING
Remedy
Yes
Replace/reinstall the defective part(s).
Go to Step 3.
Replace the MCU PWB.
Replace the SIZE SWITCH ASSY.
No
Go to Step 2.
Go to FIP-2.1 "LVPS 5VDC is
Defective".
Go to Step 4.
Replace the MAIN HARNESS ASSY.
Rev. B
5-70