Hitachi UX Twin Nozzle - Page 279

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6.2.23a (N1)Ink Heating Unit Temperature Low
(N1)Ink Heating Unit Temperature
Low
Disconnect the EZJ125
board CN7 connector and
reconnect it.
Replace the heating unit. *1
Replace the EZJ125 board. *2
Is the fault issued
again?
Yes
No
Resume the
operation.
Is the fault issued
again?
Yes
No
Replace the EZJ133 board. *3
Is the fault issued
again?
Yes
No
(*1): When you replace Heating unit, refer to “5.6 Heating unit replacement”.
(*2): When you replace EZJ125 board, refer to [Replacement procedures of EZJ125 board] in “3.3.5
EZJ125 board (Nozzle1 drive board)”.
(*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”.