Hitachi PB - Operating Temperature to High;To Low

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6.4.2 Operating Temperature To High/To Low
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Operating Temperature
To High/To Low
Does the IJ printer
temperature indication agree
with the ambient
temperature?
Connect the connector.
Y
es
No
Y
es
No
Is the operating temperature
upper-/lower-limit value
erroneously set?
Properly set the operating
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
Y
es
Is the problem
fixed?
No
Y
es
Replace the print head.
END
Is the problem
fixed?
No
Y
es
Replace the EZJ93 board.
Is the EZJ94 board / EZJ106 board
CN7 connector disconnected?
Replace the EZJ94 board / EZJ106 board.