Roland VersaUV LEJ-640 Service Notes page 124

Pull the Ink Tube for Ink Cartridge
You don't need to pull the Ink tube connected to circulating pump.
Secure the tips of the new Ink Tube and the current Ink Tube
11
with tape fi rmly.
Be sure that the current Ink Tube and the new
Ink Tube curve the same way.
Pull the current Ink Tube by hand to pass the new Ink Tube
12
from ink Cartridge side to the head side.
from the Y tube joint.
5 6
6
5
<Rear side>
3-50
Y tube joint
<OK>
Current Ink Tube
Check the curve of tubes
<NG>
Current Ink Tube
Current Ink Tube
Circulating Pump
Ink Cartridge
Secure tubes with tape
New Ink Tube
New Ink Tube
Currrent Ink Tube
New Ink Tube