Oki IP-6620 Maintenance Manual page 284

5.5.41 System Error 261x: Subtank Full Sensor Error
<Description>
The subtank full sensor continues to indicate FULL though a certain quantity of ink has been
supplied from that subtank.
X
0
1
2
3
4
5
6
<Faulty part>
(1) SUBTANK ASSY, MW
(2) INKJET HEAD,MW (print head)
(3) Capping unit
(4) CAP,MW
(5) PUMP-F-ASSY,MW
(6) Subtank Sensors(OKI Data Infotech) (subtank empty sensor and subtank full sensor)
(7) PCB-ASSY-ACT3
(8) CABLE(SubTank1-IF)-ASSY(MW)
(9) CABLE(SubTank2-IF)-ASSY(MW)
(10) CABLE(SubTank1)-ASSY(MW)
(11) CABLE(SubTank2)-ASSY(MW)
(12) 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
Harness condition
1
Sensor condition
2
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
Items to be Checked
OKI Data Infotech Corporation CONFIDENTIAL
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.
Action
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