Calibrate: This menu allows you to calibrate the BCN3D
Sigma printer´s surface and extruders. This process
should be performed when components are replaced,
and during standard printer maintenance (described in
this manual).
–Bed alibration: This option allows you to level the
printing surface. The process is performed by an ons-
creen self-test run by the printer, followed by instruc-
tions to correct the position. The screen displays how
many turns (in eighths of a turn) each of the levelling
wheels should be turned, and in which direction.
–Full Calibration: This option allows you to perform
a full calibration, where the heated bed and the relative
positions of the extruders are calibrated. You will be
guided by onscreen instructions, and the aim is to select
the best of the different test prints performed by the
printer.
–Manual Fine Calibration: This option lets you to
manually modify the calibration values found in the Full
Calibration process. On the left menu, select the axis to
adjust and press the arrows to correct the calibration
value.
Maintenance
–Move Z Axis: This option lets you to move the
platform up and down.
–Nylon Cleaning: Perform this operation to clean
the hotend. Just follow the instructions of the screen.
This operation is recommended when you notice any
sign of underextrusion, when switching materials and
after printing with soluble or special materials.
–Autotune hotends: Select this operation every
time you change the hotend. The internal routine will
check the thermal behaviour of the hotends installed
and will allow the printer to have a better temperature
control.
Temperature
Placed on the right-hand side of the main menu, lets
you to preheat or cooldown the hotends and the heated
bed. The preheat temperatures will be set depending on
the filaments loaded.
User Manual 31
Functionalities
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