Riso ComColor X1 series Technical Manual page 270

Ink Flow Section
12) Remove Ink circulation tubes out from the tube harness bands for easy tube removal from the machine.
13) Remove the Ink bus mounting screws. (IT screw 3x6 (2 pcs))
Showing the Yellow Ink bus as an example.
14) Remove the Ink bus together with the Ink circulation tubes.
Assembly Precautions
(1) Make sure that all the Print head tubes are firmly connected to the Print heads.
(2) Replace the 4 Drainage tubes, from the Heat exchanger, ti new tubes and make good Z-shaped bend to
prevent ink leakage.
(3) Cut the Ink circulation tube from the new Ink bus to the Negative pressure ink tank (attached on the new
Ink bus) at the Cut-mark line.
(4) Attach tube Joint (included in the Ink bus spare part kit) between the new Ink circulation tube on the Ink
bus (which was cut on above step-(3)) and the remaining existing tube on the Negative pressure ink
tank and Clip the tubes on the Joint.
<The Clips should face in the direction as shown on the photograph below.>
(5) Making sure that the Ink tubes are not tangled, run the tubes through the Tube harness bands.
<Refer to the photographs on the bottom>
On the New Ink circulation unit, hook the Air tube of the Negative pressure ink tank through the Tube
guide on the Ink supply unit tower.
Old type
Ink circulation unit >
Tube Harness Bands
Direction of the tube Clips
<Refer to the photograph on the bottom right.>
New type
[ 11A-58 ]
Screw in the FRONT
Screw in the REAR
Ink circulation unit >
ComColor Series (Revision 2.4)