Hitachi IJ PH - Target Sensor Fault

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6.3.4 Target Sensor Fault
Target Sensor Fault
Is the target sensor fault
function required?
From the printing
specifications screen, select a
“Target sensor timer” setting
of “0000”.
Is the “Sensor out timer”
setting is greater than
necessary for the sensor
normal ON time?
Select a setting that is
greater than necessary.
Does the sensor turn
ON and OFF?
Clean the sensor to
eliminate any obstacle.
Replace the sensor.
No
Yes
No
If the problem is
not fixed
Yes
No
No
Yes
Replace the EZJ95 board.
Replace the EZJ93 board.
Yes
Clear the fault.
Resume the
operation.
Is there any dirt buildup
or other obstacle on the
sensor?