Hitachi PXR

7-8
7.2.6 No Ink Drop Charge

No Ink Drop
Charge
Is the nozzle clogged or
the ink stream bent?
Is the EZJ94 CN2, CN3, CN4, CN5, CN6 or
CN7 connector, or high-voltage power
supply CN1 or CN2 connector disconnected?
Connect the connector.
Y
es
No
Y
es
No
END
Is the problem
fixed?
No
Y
es
Replace the high-
voltage power supply.
Is the ink stream
being ejected from
the nozzle?
See under “No ink
ejection from nozzle.”
See under “Ink Drop
Charge Too Low”.
Y
es
No
END
Is the problem
fixed?
No
Y
es
Replace the EZJ94 board.
Replace the print head.
END
Is the problem
fixed?
No
Y
es
Replace the EZJ93 board.
Is the gutter section
soiled?
No
See under “Ink Drop
Charge Too Low”.
Y
es