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Chapter 2
2-21
f) Ink supply valves
Located halfway between the ink tanks and the ink tubes, the ink supply valves prevent the leakage of inks that
might otherwise be caused by the opening of the ink tubes on the side of the ink tanks during their replacement.
The ink supply valves are caused to open and close by the valve open/close mechanism that is activated by
driving the valve motors.
The ink tank unit comprises two tank bases, each integrated for a set of three colors, and six-color ink tubes.
The color-specific ink supply valves are linked with the valve cams so they will open and close at the same time
for all colors.
F-2-10
Valve cam
Valve motor
Ink supply valve
Valve open/closed detection sensor
Linkage
Linkage