Hitachi UX Twin Nozzle Service Manual page 255

6.2.6 System Operation error C / T / M / S
Do not External communication
sending during system
initialization
(*1): When you replace EZJ133
[Replacement
board, refer to
procedures of EZJ133 board]
"3.3.1 EZJ133 board (MPU
in
board)".
(*2): When you replace EZJ 128
board, refer to [Replacement
procedures of EZJ128 board ]
in "3.2.1 EZJ128
(controller board)".
[Caution]
Be sure to check that there is no
wrong connection of harnesses by
[Connector numbers
referring to
and Identifying method
harnesses] in "3.3.20 Electrical
Connection Diagram".
System Operation error C / T /M / S
▪ Clear the fault.
▪ Restart the IJ printer.
No
Used the SOP05 for
Yes External communication has
done during system initialization
Do the system reset by rescue soft
Yes
board
Replace the EZJ133 board. *1
No
of
END
Replace the multiple
終了
power supply1.
Is the IJ printer
connected to its
dedicated ground?
Yes
Are the nozzle head
and IJ printer main
No
body insulated from
the other equipment?
Yes
Does the fault
recur?
Yes
Yes
call up print data?
No
No
Does the fault
recur?
No
Noise Fault T/M/S
ノ イ ズエラ ーＭ／Ｓ
Does the fault
recur?
ノ イ ズエラ ーが
Yes
発生する か
6-13
No
Properly establish the
ground connection.
確実にア ース を 接続する
Ensure that the print head
and printer main body are
not in contact with the
other equipment.
Yes
The strobe input timing is
following the regulation?
Input the strobe signal with
correct timing of the SOP05
instruction.
Noise Fault C
ノ イ ズエラ ーＣ
Replace the EZJ128 board. *2
EZJ128 基板を 交換する
No