Riso ComColor X1 series Technical Manual page 240

Ink Flow Section
17. Connect back the Air tube between the air chamber (in common to the negative pressure ink tanks) and
negative pressure ink tank air valve, unplugged in Step-7, on the Negative pressure ink tank air valve.
Connect the Air tube back on the Negative pressure ink tank air valve.
18. Return the Ink drainage tubes back in their original position.
Make sure to make good Z-shape bend on the tube to prevent ink leakage.
Also make sure to hook the tube in the tube clamp.
This completes the ink draining procedure.
19. Proceed to the replacement of the components in the Ink circulation system.
Hook the Ink drainage tubes in the tube clamps.
Make good Z-shape bend on all four Ink drainage tubes to prevent ink leakage.
[ 11A-28 ]
Negative pressure ink tank air valve
ComColor Series (Revision 2.4)