Fip-2.18 Toner Box Sensor Is Defective - Epson ColorPage EPL-C8200 Service Manual

EPSON ColorPage EPL-C8200

FIP-2.18 TONER BOX SENSOR is Defective

Step Check point
Perform the preliminary inspection.
Parts to inspect:
1
TONER BOX SENSOR, TONER BOX HARNESS, MAIN
HARNESS ASSY, MCU PWB
Check: Power supply to the TONER BOX SENSOR

2 Is the voltage level correct at the pins below?
- P18-A6PIN<=>P18-A5PIN: 5VDC
Check: TONER BOX detection signal

Is the voltage level correct at the pins below?
3
- P18-A6PIN<=>P18-A5PIN: 5VDC
Check: TONER BOX detection signal

Is the voltage level correct depending on the conditions
below?
- Pin: P/J18-A6PIN<=>P/J18-A5PIN
4
- Passed condition: 0VDC
(=WASTE TONER BOX is installed)
- Blocked condition: 5VDC
(=WASTE TONER BOX is not installed.)
Check: TONER BOX HARNESS electrical continuity

Does the TONER BOX HARNESS have proper
5
continuity at the pins below?
- J83<=>P116
Check: MAIN HARNESS ASSY electrical continuity

Does the MAIN HARNESS ASSY have proper
6
continuity at the pins below?
- J116<=>J18
Chapter 5 Troubleshooting
Yes
Replace/reinstall the defective part(s).
Go to Step 3.
Go go step 4.
Replace the MCU PWB.
Go to Step 6.
Replace the TONER BOX 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 TONER BOX HARNESS.
Replace the MAIN HARNESS.
Revision A
5-87