Hitachi PB - Page 123

6-19
6.2.17 Heating Unit Fault
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Heating Unit Fault
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 print head.
Does the fault recur?
Y
es
No
Resume the
o
p
eration.
Replace the EZJ93 board.
Does the fault recur?
No
Y
es
●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
！
・Clear the fault.
・From the maintenance
screen, place the heating
unit in the operating mode.
・Restart the IJ printer.
・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.
No
Y
es
Replace the heating unit.
Is the PTC resistance measured
(between the EZJ94 board / EZJ
106 board TP3 and TP15) lower
than 23 Ω?