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Hitachi IJ UX Service Manual page 235

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6.2.13 No Ink Drop Charge
No Ink Drop
Charge
Is the ink stream
being ejected from
the nozzle?
Yes
Is the nozzle clogged or
the ink stream bent?
No
Is the gutter section
soiled?
No
Is the ink recovered without
filling the gutter hole with it?
Yes
Is the EZJ125 CN2, CN3, CN4, CN5, CN6 or
CN7 connector, or high-voltage power supply
CN1 or CN2 connector disconnected?
No
Replace the high-
voltage power supply.
Is the problem
fixed?
No
Replace the EZJ125 board.
Is the problem
fixed?
No
Replace the EZJ126 board.
Is the problem
fixed?
No
Replace the EZJ112 board.
Is the problem
fixed?
No
Replace the print head.
No
Yes
Yes
No
Yes
Yes
END
Yes
END
Yes
END
Yes
END
6-17
Refer to "6.5.8 No ink
ejection from nozzle."
Refer to "6.2.5 Ink Drop
Charge Too Low".
Refer to "6.2.5 Ink Drop
Charge Too Low".
Refer to "6.5.18 No ink
suction from gutter".
Connect the connector.
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