Hitachi IJ UX, Service Manual, Page: 235 / 308

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