Roland VersaUV LEJ-640 Service Notes page 123

Disconnect the Ink Tube from the Y tube joint (Head side),
9
and put the scotch tape at the tip of the Ink Tubes to prevent
the ink from coming out.
It is not necessary to replace between the Y
tube joint and the Damper.
Disconnect the Ink Tube from the Ink Cartridge.
10
Disconnect the Ink Tube from the Tube Adapters for Ink Cartridge
The nut and O-ring removed in this step will be
reused later.
Tube Adapter
Nut
Loosen the nut from the current Ink Tube which will
be replaced.
Ink Tube
Pull the Ink Tube from the Tube Adapter.
Ink Cartridge
Ink Cartridge
Tube Adapter
Be sure that the ink does not come out
from the tube.
1 2 3 4
1
2
<Rear side>
Disconnect the O-ring fi xing the Tube Adapter.
Take out the nut and O-ring from the Ink Tube
which will be replaced.
3-49
Y Tube Joint
as follows.
3
4
Ink Catridge
O-ring
Nut O-ring