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04 Geng started
4. Press the up arrow to return the printhead to the nonacve posion.
5. To remove the printhead, use one hand to stabilize the printhead mount and the other hand to push the printhead slightly upward.
4.3 Removal and inseron of microvalve and nozzle
1. Ensure the printhead has been removed from the BIO X (Secon 4.2).
2. Remove the nozzle cover from the EMD Printhead to reveal the nozzle (Figure 6A).
3. Unscrew and remove the threaded nozzle (Figure 6B, D, E).
4. Grip the edge of the microvalve (Figure 6F) being careful not to contact the glass p (Figure 2). Pull straight down to remove the microvalve
from the EMD Printhead (Figure 6C, G). If necessary, twist to remove it.