No Ink Drop Charge - Hitachi IJ PH Service Manual

6.2.6 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 EZJ106 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?
Replace the EZJ106 board.
Is the problem
fixed?
No
Replace the EZJ93 board.
Is the problem
fixed?
No
Replace the EZJ98 board.
Is the problem
fixed?
No
Replace the print head.
No
Yes
Yes
Yes
Yes
END
No
Yes
END
Yes
END
Yes
END
6-8
See under "No ink
ejection from nozzle."
See under "Ink Drop
Charge Too Low".
See under "Ink Drop
Charge Too Low".
Connect the connector.