Hitachi IJ UX, Service Manual

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6-9
6.2.6 System Operation error C / M / S
Does the fault
recur?
Do the system reset by rescue soft
Properly establish the
ground connection.
END
No
Yes
Noise Fault M/S
Yes
Ensure that the print head
and printer main body are
not in contact with the
other equipment.
Does the fault
recur?
No
No
No
Yes
System Operation error C / M / S
Are the nozzle head
and IJ printer main
body insulated from
the other equipment?
Is the IJ printer
connected to its
dedicated ground?
▪ Clear the fault.
▪ Restart the IJ printer.
Replace the EZJ126 board.
Replace the multiple
power supply.
Does the fault
recur?
Replace the EZJ128 board.
Noise Fault C
Yes
Used the SOP05 for
call up print data?
Yes
The strobe input timing is
following the regulation?
Input the strobe signal with
correct timing of the SOP05
instruction.
No
Yes
No
Yes
No
External communication has
done during system initialization
Do not External communication
sending during system
initialization
No
Yes