2.2 Operating Principle and Functional Description
(d)
Wash of the needle outer wall with the wash fluid1
The syringe aspirates one-half of the air volume (va/2)
while needle is moving to the rinse port. Deliver the
wash fluid1 via the wash pump to wash the needle outer
wall.
Figure 2-30 Rinsing the Needle Outer Wall
2 - 34