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symptom
Probable cause
Ink Level
The solenoid
Over often
valve
occurs.
malfunctions.
The collection
pump
malfunctions.
The solenoid
valve
malfunctions.
No
collection
The collection
route clogs.
Check method
The makeup ink in
the pipe N is
sucked even
The pressure
during operation
resistance of
(except at supply).
MV7 is
(Make a check
faulty.
after removing the
tube connection
block of the
makeup ink tank.)
The pressure
The makeup ink
resistance of
jets and cannot be
MV8 is
stopped "at non-
faulty.
cleaning stop".
The ink in the pipe
M is sucked even
during operation
The pressure
(except at supply).
resistance of
(Make a check
MV2 is
after removing the
faulty.
tube connection
block of the ink
tank.)
The same as "Ink does not jet".
When "Release" is
executed on the
Solenoid
※MV3
Valve/Pump Test
malfunctio
screen, no
ns.
operation sound is
produced.
A lot of foreign
Clogging in
materials stick on
the collection
the collection
filter
filter.
Suck is performed
when the tube
connected to the
collection filter is
removed.
Clogging in
the pipe or
joint
4-22
Repairing method
Replace the solenoid
valve (MV7).
Replace the solenoid
valve (MV8).
Replace the solenoid
valve (MV2).
Replace or repair the
solenoid valve (MV3).
Refer to "4.12
Repairing method
when the circulation
route dry or sticks".
Replace the collection
filter.
Force the intensifier in
by applying pressure
with a hand pump
from the end of the
collection filter
connecting tube.
･Hand pump
specifications
Part name:
Nozzle cleaning
assembly
Part No.: 45100
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