Meanwhile you can see the temperature at the bottom status bar of Repetier Host.
5.1.3 Extruder test
Now we are to test if the extruder could extruder filamnet smoothly. Since the printer was homed just now,
the nozzle is close to the building platform. To avoid jamming the nozzle, we suggest moving the Z axis
upward.
Choose the moving distance and click the Z moving button to raise Z axis, as shown in the following
picture.