User manual

17 User Manual
Arduino Materia 101
From here you can disable the motor,
set the x, y and z axis to zero, heat and
cool down the extruder, manually move
the different motors on the printer,
and change plastic filament. In the next
chapter you will use this menu to adjust
the level of the printing surface.
The menu consists of:
— Disable steppers
— Auto Home
— Preheat
— Cooldown
— Move Axis
— Change Filament
“TUNE” MENU
The “Tune” menu only appears when the
printer is performing a job. When you
are in the information screen and press
the knob, the name “Tune” will appear
at the top of the principal menu.
The tune menu consists of:
— Speed
— Nozzle
— Fan speed
— Flow
— Change filament
Inside, there is an additional menu named
“Speed” that allows us to change the overall
printing speed. The speed is expressed as
a percentage and its function is identical
to the feed rate information on the
information screen and can be altered
in the same manner. Below “Speed”, the
temperature is set for the extruded plastic,
under the item “nozzle”. The value is in
degrees Celsius and any change must be
confirmed by pressing the menu knob.
The next item is the fan speed, adjustable
from 0 to 255; with very low values the
fan may not even spin. The flow value
set in the G-code is expressed as 100%;
increase or decrease this to adjust for
unforeseen changes (such as forgetting to
declare the correct filament diameter).
Concerning the changing of the filament
while printing: the procedure comes from
the need to replace the filament when the
spool is finished, but this option can also be
used to change the color of the filament.
The procedure starts with moving the
extruder to the parking area, then the
stepper-motor of the extruder expels the
current filament-thread and the internal
buzzer is activated as soon as the extruder
is unloaded. When you have positioned
the new wire in the extruder inlet hole
and it hits the drive gear, you must press
the knob to start pulling the filament and
let it extrude until the old plastic is fully
replaced with the new stock. When the
new filament is flowing well, press the
menu knob again to resume printing.