Fip-1.50 "Exit Cover Open - Epson ColorPage EPL-C8000 Service Manual

EPSON EPL-C8000

FIP-1.50 "EXIT COVER OPEN"

Step Check point
Perform the preliminary inspection.
1 Parts to inspect:
MAIN P/H ASSY, MAIN HARNESS ASSY, MCU PWB
Isolation: Engine or Controller?
Run the Engine test print or diagnostic test print.
2
(10 sheets for each of single and continuous print)
l
Are the outputs normal?
Check: EXIT CHUTE SWITCH's pushing motion
l
Is the actuator in the EXIT UPPER ASSY properly
functioning depending on the conditions below?
3
- EXIT UPPER ASSY is closed:
Turns the EXIT CHUTE SWITCH ON.
- EXIT UPPER ASSY is open:
Turns the EXIT CHUTE SWITCH OFF.
Check: EXIT CHUTE SWITCH
l
Is the EXIT CHUTE SWITCH properly functioning?
4
Diag Tool: Digital Input Test
Device code: 0B
Check: Power supply to the EXIT CHUTE SWITCH
l
5 Is the voltage level correct at the pins below?
- P17-10PIN<=>P17-11PIN: 5VDC
Check: EXIT CHUTE SWITCH for signals
l
Is the voltage level correct depending on the conditions
below?
6
- Pins: P17-10PIN<=>P17-11PIN
- EXIT UPPER ASSY is closed: 0VDC
- EXIT UPPER ASSY is open: 5VDC
Check: MAIN HARNESS ASSY electrical continuity
l
Does the MAIN HARNESS ASSY have proper
7
continuity at the pins below?
- J17<=>P161
Chapter 5 TROUBLESHOOTING
Remedy
Yes
Replace/reinstall the defective part(s).
Check the Controller PWB.
If the problem still occurs, go to step 3.
• With the diagnostic tool, go to step 4.
• Without the diagnostic tool, go to
step 5.
Replace the MCU PWB.
Go to Step 6.
Replace the MCU PWB.
Replace the EXIT CHUTE SWITCH.
No
Go to Step 2.
Go to Step 3.
Replace the defective part.
Go to Step 5.
Go to FIP-2.1 "LVPS 5VDC is
Defective".
Go to Step 7.
Replace the MAIN HARNESS ASSY.
Rev. B
5-61