Hitachi IJ UX - Auxiliary Functions

4-48
Symptom
Probable cause
Check method
Repairing method
Charging or
drainage is
impossible.
The supply
pump
malfunctions.
Follow the same descriptions as those of “Ink does not eject”.
The solenoid
valve
malfunctions.
* MV6
malfunctions.
When “Open” is
executed on
“Solenoid
Valve/Pump Test”
screen, no
operation sound is
produced.
Replace or repair the
solenoid valve (MV6).
Refer to “4.15
Repairing method when
the circulation route is
dry or sticks”.
The
circulation
route clogs.
Clogging in
the pipe or
joint
In cases other than
two cases above.
Refer to “4.15
Repairing method when
the circulation route is
dry or sticks”.
During Ink
Refill, the
message
“Failure
was
detected in
level
sensor,
pump, or
solenoid
valve” is
displayed
on the
screen.
It takes too
long to supply
ink or
makeup to
the main ink
tank.
Ink supply
pump is
clogged.
When “Operated” of
pump and then
“Open” of MV1 and
MV6 are executed
on “Solenoid valve /
pump test” screen,
the ink does not
flow.
Refer to “4.15
Repairing method when
the circulation route is
dry or sticks”.
* MV2
malfunctions
.
When “Open” is
executed on
“Solenoid
Valve/Pump Test”
screen, no
operation sound is
produced.
Replace or repair the
solenoid valve (MV2).
Refer to “4.15
Repairing method when
the circulation route is
dry or sticks”.
* MV7
malfunctions
.
When “Open” is
executed on
“Solenoid
Valve/Pump Test”
screen, no
operation sound is
produced.
Replace or repair the
solenoid valve (MV7).
Refer to “4.15
Repairing method when
the circulation route is
dry or sticks”.
The initial
level can not
be detected.
Refer to “6.2.8
Makeup
Replenishment
Timeout”.
-
Full of air in
the tubes.
Check the
circulation line M
with eyes.
Execute the Ink refill
again.
Ink or makeup
in each
reservoir is in
short supply.
Check if the
warning message,
“Ink Low Warning”
or “Makeup Low
Warning” is
displayed on the
screen.
Replenish ink or
makeup and restart.