Riso ComColor X1 series Technical Manual page 271

(6) To prevent the Ink tubes from being unplugged accidentally when the Ink circulation tower is Opened or
Closed, check again the Ink tubing layout, as shown on the photograph below.
The YELLOW Ink tube from the Ink bus to the Negative pressure
ink tank should be in the front of all other 7 Ink tubes
saddle band.
The same YELLOW Ink tube from the Ink bus to the Negative
pressure ink tank should have some slack (not tightly pulled)
when the Ink circulation tower is opened all the way
Confirm that none of the Ink tubes twists when the Ink circulation
tower is closed.
(7) Follow the instruction on the Initial Ink Filling and fill the machine with the ink.
(8) Confirm that no ink leaks from the replaced Ink bus and the Ink tubes touched in this procedure.
Other Precautions
1) Make sure not to damage the Head drive PCBs during this work.
Scraping the back surface of the PCB against metal object will damage the PCB.
2) Do not damage the flexible wires of the Print heads when moving the Head drive PCB.
in this Tube
wide.
[ 11A-59 ]
Ink Flow Section
ComColor Series (Revision 2.4)