Hitachi PB - Heating Unit Sensor Fault

6-18
6.2.16 Heating Unit Sensor Fault
●On detecting this fault, the IJ printer automatically sets the “Ink temperature
correction” to (disabled).
“System environment setup Ink temperature correction (enabled) → (disabled)
After getting rid of the fault, reset the Ink temperature correction to (enabled).
“System environment setup Ink temperature correction (disabled) → (enabled)
●In the condition of the “Ink temperature correction (disabled),” the “Ink temperature
correction confirmation” message appears each time the power is turned on.
(See “1.2.7 Heating of Ink” in the Instruction manual”.)
Caution
！
Heating Unit Sensor
Fault
Replace the heating unit.
Resume the
operation.
Does the fault recur?
Does the fault recur?
Y
es
No
・Clear the fault.
・From the maintenance screen,
place the heating unit in the
operating mode.
・Restart the IJ printer.
Y
es
No
Replace the EZJ93 board.
Does the fault recur?
Y
es
No
・Clear the fault.
・From the maintenance screen,
place the heating unit in the
operating mode.
・Restart the IJ printer.
Replace the EZJ94 board / EZJ106 board.
Disconnect EZJ94 board
/ EZJ106 board CN7
connector and reconnect it.