Faults - Ink-Stop Type; Ink Low - Hitachi IJ PH Service Manual

6.2 Faults – Ink-stop type

6.2.1 Ink Low

Ink Low
Open the maintenance cover.
Is there ink in the ink reservoir?
Yes
・Turn OFF the power.
・Unscrew and pull out the sensor
section.
Is an insoluble substance
deposited on the sensor?
No
Return the sensor
section to its position.
1
Is the EZJ93 board CN6
connector disconnected?
No
Disconnect the CN6 connector,
then reconnect it.
2
Is the fault cleared
by power-on reset?
3
Yes
END
No
No
Yes
Yes
Connect the CN6 connector.
No
Is the connection
NG
harness
conducting?
OK
Replace the EZJ93 board.
6-3
Uncap the ink reservoir
and add ink.
Is the fault cleared by
pressing the Clear key?
Yes
END
Clean the electrode with JK wiper
moistened with makeup ink.
Return the sensor
section to its position.
Is the fault cleared
by power-on reset?
Yes
3
Replace the harness.
2
No
1