Hitachi UX Twin Nozzle - Page 287

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6.2.29a (N1)Ink Drop Charge Fault
(N1)Ink Drop Charge
Fault
Is the setting of DSW2 of
EZJ125 board correct?
か
Yes
Replace the EZJ125 board. *1
Replace theEZJ133 board. *3
Does the fault recur?
Replace the high voltage power supply1. *2
Does the fault recur?
No
No
Yes
Yes
No
Correct the setting of DSW2 of
EZJ125 board.
Does the fault recur?
Yes
No
Resume the operation
(*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 High voltage power supply 1, refer to [Replacement procedures of high
voltage power supply] in “3.3.17 High Voltage Power Supply 1 and 2”.
(*3): 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”.