Hitachi UX Twin Nozzle - Page 286

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6.2.28 Makeup Level Sensor Broken (3)
[Caution]
If Makeup Level Sensor Broken (3) is issued, the machine stops ejecting ink and becomes Fault status.
Makeup Level Sensor
Broken (3).
Restart IJ printer and go to
“Level sensor confirmation”
screen and check if all sensors
in Makeup reservoir work
properly.
END
Replace EZJ133 board. *1
Turn OFF
power.
Any disconnection or
poor connection is found
at CN13 connector on
EZJ133 board or CN1 or
CN4 connector on
EZJ138 board?
Remove the connector once and
reconnect it.
Does the connection
harness have
electrical continuity?
Replace the connection harness.
No
Yes
No
Yes
Replace the sensor block
of Makeup reservoir.
Yes
No
Yes
No
Go to “Level sensor confirmation”
screen and check if all sensors
contained in Makeup reservoir work
properly.
(*1): When you replace EZJ133 board, refer to [Replacement procedures of
EZJ133 board] in “3.3.1 EZJ133 board (MPU board)”.
[Caution]
Be sure to check that there is no wrong connection of harnesses by
referring to [Connector numbers and Identifying method of harnesses] in
“3.3.20 Electrical Connection Diagram”.