Advanced Usage
4.1 Intro
After you become familiar with printing using the default settings, a few
advanced techniques may help in getting better and more consistent prints
from the LulzBot TAZ Workhorse 3D printer. Some of these instructions
are items and materials not included with the TAZ. With any of these ad-
ditional items or materials, follow safety and usage guidelines as instructed
by the manufacturer.
4.2 Changing nozzles
Hot End related issues will not be covered under warranty after nozzle
changes. Purchase a tool head from LulzBot.com with an alternate nozzle
diameter for quick, easy, and simple changes.
Due to the specic torque of 30 inch pounds required to tighten the
nozzle when removed, removing the nozzle is not recommended. Failure to
properly tighten the nozzle to the specic recommended torque may lead
to leaks or damage if over-tightened.
4.3 Bed Adhesion
You may nd that during printing, printed parts lift o the print surface
on the corners. If you are seeing this, turning on Brim in Cura will help
increase the surface area of the print, improving part adhesion. If the
corners of the part still lift, clean the PEI surface with IPA/ Isopropyl
Alcohol and sand the surface with ne grit (2000-3000) sandpaper.
Glue stick/PVA Glue solution
While almost all 3D printing laments will adhere well to the PEI print
surface, Nylon-, Polyester-, polycarbonate-, and Amphora
™
-based lament
print adhesion can be improved with the application of an unscented PVA-
based glue solution/glue stick. Flexible laments such as NinjaFlex
®
and
SemiFlex
™
can adhere too well and require an application of PVA-based
glue to the print surface for easy print removal. Failure to properly treat
the print surface can lead to a permanent bond to the PEI print surface
and will require replacement which may not be covered under warranty.
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