Hitachi UX Twin Nozzle - Page 257

6-15
1
Does the IJ printer become
ready when you start it by
pressing the Startup key
with the high-voltage power
supply1 output connector
disconnected?
Replace the high-voltage
power supply unit1.
No
Yes
Is the alarm issued?
Has the ink/makeup entered
inside the nozzle head rear
cover?
Wipe the entered ink/makeup
away with JK wiper and allow
inside print head rear cover to
thoroughly dry.
Yes
No
Replace the ink.
Replace the EZJ125 board *1
Resume the
operation.
No
Yes
Is the alarm issued?
Replace the EZJ133 board *2
Resume the
operation.
Yes
No
Is the high-voltage line dusty?
Wipe and clean the dust
off the line and allow to
thoroughly dry.
Yes
No
(*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 [Replacement procedures of EZJ133
board] in “3.3.1 EZJ133 board (MPU board)”.
[Caution]
Be sure to check that there is no wrong connection of harnesses by referring to
[Connector numbers and Identifying method of harnesses] in “3.3.20 Electrical
Connection Diagram”.