Hitachi UX Twin Nozzle Service Manual page 288

6.2.29b (N2)Ink Drop Charge Fault
(N2)Ink Drop Charge
Fault
Is the setting of SW6 of
EZJ133 board correct?
か
Replace the EZJ134 board. *1
Does the fault recur?
Replace the high voltage power supply2. *2
Does the fault recur?
Replace theEZJ133 board. *3
(*1): When you replace EZJ134 board, refer to [Replacement procedures of EZJ134 board] in
"3.3.6 EZJ134 board (Nozzle2 drive board)".
(*2): When you replace High voltage power supply 2, refer to [Replacement procedures of high
voltage power supply] in "3.3.16 High Voltage Power Supply 1 and 2".
(*3): When you replace EZJ133 board, refer to
"3.3.1 EZJ133 board (MPU board)".
[Caution]
Be sure to check that there is no wrong connection of harnesses by referring to
numbers and Identifying method of harnesses]
No
Yes
No
Yes
No
Yes
[Replacement procedures of EZJ133 board]
in
6-46
Correct the setting of SW6 of
EZJ133 board.
Yes
Does the fault recur?
No
Resume the operation
"3.3.20 Electrical Connection Diagram".
in
[Connector