Hitachi ChromasterUltra Rs 6270 Instruction Manual page 65

2.2.3
(k) Return to idle status
Switch the syringe valve to the syringe side (Port3).
Move the needle to the home position.
Switch the 3-way solenoid valve of the wash pump side
to the wash fluid1 side when two wash fluids are set.
Figure 2-22 Returning to the Idle Status
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