Hitachi UX Twin Nozzle Service Manual page 280

6.2.23b (N2)Ink Heating Unit Temperature Low
(N2)Ink Heating Unit Temperature
Low
Disconnect the EZJ133
board CN38 connector and
reconnect it.
Is the fault issued
again?
Replace the heating unit. *1
Is the fault issued
again?
Replace the EZJ133 board. *2
(*1): When you replace Heating unit, refer to "5.6 Heating unit replacement".
(*2): When you replace EZJ133 board, refer to
(MPU board)".
[Caution]
Be sure to check that there is no wrong connection of harnesses by referring to
Identifying method of harnesses]
No
Yes
No
Yes
[Replacement procedures of EZJ133 board]
"3.3.20 Electrical Connection Diagram".
in
6-38
Resume the
operation.
in "3.3.1 EZJ133 board
[Connector numbers and