LulzBot TAZ 3.0, User Manual

Page: 53 / 162

4.4. HOME PRINTER
Figure 4.3: Extruder idler release
you previously loosened them. Tighten the two screws until they are finger
tight, then tighten them slightly more, until the top of the thumbscrews
are about 10mm away from the plastic clip. In Pronterface, in the lower
left hand corner of the screen there are two text entry boxes next to the
”Extrude” and ”Reverse” buttons. In the top text entry box (length in mm)
change the 5 to 40. In the lower box (Speed in mm/min) change the 300 to
250. Now use the
Extrude
button in Pronterface to test that the extruder
is working properly. You may need to extrude 40-60mm of filament to fully
prime the hot end. Slowly tighten the two extruder thumbscrews while
extruding until you achieve reliable, repeatable extrusion. If the extrusion
stalls you may need to open the extruder and trim off any filament with a
chewed out section.
4.4 Home Printer
Use the home buttons to home the X axis and then the Y axis. Next home
the Z axis. When the Z axis is at home the nozzle tip should be right above
the glass (Fig. 4.5, page 55). The image to the left, in figure 4.5, is the
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