Fip-2.3 Tray No Paper Sensor Is Defective - Epson ColorPage EPL-C8200 Service Manual

EPSON ColorPage EPL-C8200

FIP-2.3 TRAY NO PAPER SENSOR is Defective

Step Check point
Perform the preliminary inspection.
Parts to inspect:
1
TRAY NO PAPER SENSOR, REGI. HARNESS ASSY,
TRAY N/P HARNESS, MCU PWB
Check:
Power supply to the TRAY NO PAPER SENSOR

2
Is the voltage level correct at the pins below?
- P20-15PIN<=>P20-16PIN: 5VDC
Check:
Power supply to the TRAY NO PAPER detection signal

3
Is the voltage level correct at the pins below?
- P20-17PIN<=>P20-16PIN: 5VDC
Check: TRAY NO PAPER detection signal

Is the voltage level correct depending on the conditions
below?
4
- Pins: P/J20-17PIN<=>P/J20-16PIN
- Passed (paper is set): 0VDC
- Blocked (no paper is set): 5VDC
Check: TRAY N/P HARNESS electrical continuity

Does the TRAY N/P HARNESS have proper continuity
5
at the pins below?
- J107<=>P101
Check: P/H HARNESS ASSY electrical continuity
Does the P/H HARNESS ASSY have proper continuity at
6
the pins below?
- J101<=>J20
Chapter 5 Troubleshooting
Yes
Replace/reinstall the defective part(s).
Go to Step 3.
Go to Step 4.
Replace the MCU PWB.
Go to Step 6.
Replace the TRAY NO PAPER
SENSOR.
Remedy
No
Go to Step 2.
Go to FIP-2.1 "LVPS 5VDC is
Defective".
Replace the MCU PWB.
Go to Step 5.
Replace the TRAY N/P HARNESS.
Replace the P/H HARNESS ASSY.
Revision A
5-72