Hitachi IJ UX - Page 289

6-71
6.5.14
Failure of adjustment of excitation voltage
Is the excitation
frequency properly
set?
1
1
Repla
ce the EZJ126 board.
Replace the EZJ125 board. Replace the EZJ125 board.
Replace the print head.
Replace the print head.
Rep
lace the EZJ126 board.
Resume the
operation.
Resume the
operation.
Replace the Nozzle.
Is the problem
fixed?
Is the problem
fixed?
Is the problem
fixed?
Is the problem
fixed?
Is the problem
fixed?
Is the problem
fixed?
Replace the Nozzle.
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
No
No
No
No
No
No
No
No
No
No
Failure of adjustment
of excitation voltage
Disconnect and reconnect the
EZJ125 board CN5 connector
correctly.
Is the EZJ125 board CN5
connector disconnected or
in poo
r contact?
Correct the excitation
voltage setting
Correct the setting
Is the DSW1 of
EZJ125 board
is properly set?
When the adjustment
fails, is the voltage of
TP14 larger than
60V?