Hitachi UX Twin Nozzle Service Manual page 266

6.2.12a (N1)Charge Voltage Fault
(N1)Charge Voltage Fault
Remove the print head cover.
Sprinkle the makeup over Charge
electrode of Nozzle1 and its
neighboring area and clean them.
・ Allow the print head surface
to adequately dry.
・ Clear the fault.
・ Restart the IJ printer.
Does the printer become
ready?
No
Disconnect EZJ125 board
CN4 connector and reconnect it.
Does the printer become
ready?
No
Replace the EZJ125 board*1.
Does the printer become
ready?
No
Replace the EZJ133 board*2.
Does the printer become
ready?
No
Replace the multiple power supply1.
Does the printer become
ready?
No
Replace the print head. *3
(*1): When you replace EZJ125 board, refer to [Replacement
procedures of EZJ125 board] in "3.3.5 EZJ125 board
(Nozzle1 drive board)".
(*2): When you replace EZJ133 board, refer to
procedures of EZJ133 board]
(MPU board)".
(*3)： When you replace the printhead, refer to
Replacement Procedure".
[Caution]
Be sure to check that there is no wrong connection of harnesses
by referring to [Connector numbers and Identifying method of
harnesses] "3.3.20 Electrical Connection Diagram".
in
Yes
Yes
Yes
Yes
Yes
6-24
[Replacement
in "3.3.1 EZJ133 board
"4.13 Print Head
END