Hitachi IJ UX Service Manual page 227

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