Hitachi UX Twin Nozzle Service Manual page 306

6.3.23 Vision sensor Connection Error
Vision sensor Connection Error
Does the Baud rate of Vision
sensor conform to that of
IJ printer ?
Yes
Are Vision sensor and EZJ129
board connected properly ?
Yes
Are EZJ129 board, EZJ130 board
and IJ printer connected
properly ?
Yes
Replace EZJ129 board and/or
EZJ130 board.*1 *2
(*1): When you replace EZJ129 board, refer to [Replacement procedures of EZJ129 board] in "3.3.14 EZJ129 board
(Software option terminal board)".
(*2): When you replace EZJ130 board, refer to [Replacement procedures of EZJ130 board] in "3.3.13 EZJ130 board
(Software option control 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".
Set Baud rate to the same values
No
for both Vision sensor and IJ printer.
Yes
Does the fault recur?
Connect Vision sensor and EZJ129
No
board properly.
Yes
Does the fault recur?
Connect EZJ129 board, EZJ130
No
board and IJ printer properly.
Yes
Does the fault recur?
6-64
No
No
No
Resume the
operation.