Hitachi UX Twin Nozzle Service Manual page 249

6.2.3a (N1)Deflection Voltage Fault
(N1)Deflection
Voltage Fault
Is the EZJ125 board CN6
connector or high-voltage
power supply output
connector disconnected?
No
Disconnect the connector and then
reconnect it.
Does the printer
become ready for
printing?
No
Replace the high-voltage
power supply unit1.
Does the printer
become ready for
printing?
No
Replace the EZJ125 board *1
Does the printer
become ready for
printing?
No
Replace the EZJ133 board. *2.
(*1): When you replace EZJ125 board, refer to [Replacement procedures of EZJ125 board] in
board (Nozzle1 drive board)"
(*2): When you replace EZJ133 board, refer to
board (MPU board)".
[Caution]
Be sure to check that there is no wrong connection of harnesses by referring to
Identifying method of harnesses]
Yes
Connect the connector.
Yes
END
Yes
END
Yes
END
.
[Replacement procedures of EZJ133 board]
"3.3.21 Electrical Connection Diagram".
in
6-7
"3.3.5 EZJ125
"3.3.1 EZJ133
in
[Connector numbers and