Hitachi UX Twin Nozzle - Page 312

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6.4.10 Ambient Temperature Too High / Too Low
Ambient temperature
Too High / Too Low
Does the IJ printer
temperature indication agree
with the ambient
temperature?
Is the EZJ133 board CN38
connector disconnected?
Connect the connector.
Yes
No
Yes
No
Replace the EZJ133 board.*1
Is the Ambient temperature
upper-/lower-limit value
erroneously set?
Properly set the Ambient
temperature upper-/lower-limit
value.
Use an air-conditioner or the like
to ensure that the IJ printer
ambient temperature is within
the operating temperature range.
No
Yes
Is the problem
fixed?
No
Yes
Replace the print head.※3
END
Is the problem
fixed?
No
Yes
Replace the Thermistor of head cable.*2
Is the problem
fixed?
No
Yes
Replace the EZJ133 board *1.
(*1): When you replace EZJ133 board, refer to
[Replacement procedures of EZJ133 board] in
“3.3.1 EZJ133 board (MPU board)”.
(*2): When you replace Thermistor, refer to
“5.10 Thermistor replacement”.
[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”.