Hitachi IJ UX Service Manual page 228

6.2.7 Deflection Voltage Leakage
Deflection Voltage Leakage
Is the ink or makeup
deposited on the deflection
electrodes and their
surrounding sections?
No
Is any foreign matter
deposited between the
deflection electrodes?
No
Are there any tapering
spikes of ink generated
between the deflection
electrodes?
No
Yes
Blow air over the
deflection electrode area
because the ink and
makeup may remain.
▪ Press the Clear key to clear
the fault.
▪ Press the Start up key to
restart the IJ printer.
Is the alarm issued?
No
Resume the
operation.
Yes
Yes
Remove
foreign matter.
Yes
Execute the "Nozzle
Backwash" function from
the circulation control
screen. Check the
excitation voltage and
pressure.
Is the alarm issued?
No
Resume the
operation.
Is the ink recovered
Yes
without filling the gutter
hole with the ink?
Yes
1
6-10
Does the ink stream
Yes
enter the center of the
gutter?
No
Adjust the ink stream position.
Thoroughly remove
ink/makeup deposits and
allow the affected area to
dry.
▪ Press the Clear key to clear
the fault.
▪ Press the Start up key to
restart the IJ printer.
Yes
Is the alarm issued?
No
Resume the
operation.
No
See section "6.5.8, No ink suction
from gutter".
Yes
Is the alarm issued?
No
Resume the
operation.