Oki IP-6620 Maintenance Manual page 282

5.5.40 System Error 260X: Subtank Sensor Error
<Description>
Subtank sensor FULL status and EMPTY status are detected at the same time.
X
0
1
2
3
4
5
6
<Faulty part>
(1) Subtank
(2) Subtank Sensors(OKI Data Infotech) (subtank empty sensor and subtank full sensor)
(3) PCB-ASSY-ACT3
(4) CABLE(SubTank1-IF)-ASSY(MW)
(5) CABLE(SubTank2-IF)-ASSY(MW)
(6) CABLE(SubTank1)-ASSY(MW)
(7) CABLE(SubTank2)-ASSY(MW)
(8) CABLE(SubTank3)-ASSY(MW)
<Action>
Check the Items to be Checked on the table below, and perform the actions on the subtank
causing the error starting from the top until the problem is solved.
No Items to be Checked
1 Harness condition
2 Sensor condition
3 Sensor operation
4 Sensor
5 PCB-ASSY-ACT3
6 Subtank
Chapter 5 Troubleshooting (Engine Section and USB Controller Section)
Subtank No.
No.1
No.2
No.3
No.4
No.5
No.6
No.7
Check that the harness condition is proper as follows.
- The connectors are connected securely.
- The connectors are connected to the proper locations.
- The cable is not disconnected.
- The harness is not pinched by other parts.
- The cable jacket is not damaged.
Check that the sensor is not loose.
Enter the MONITOR menu in the maintenance mode and check that the
subtank empty sensor and full sensor operates properly.
If the sensor operates properly, perform the action No.6. If the sensor
does not operate, perform the actions No.4 and 5.
Replace the defective sensors.
Replace the PCB-ASSY-ACT3.
Replace the subtank.
OKI Data Infotech Corporation CONFIDENTIAL
Action
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