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Geeetech A20 User Manual

Geeetech A20
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SHENZHEN GETECH TECHNOLOGY CO., LTD
24
(Picture 7-12)
Note: we suggest using 1mm to test X/Y/Z axis.
After axis’ testing finished, if you want to unlock the motor, choose “Prepare>Disable steppers”,
see picture (7-13).
(Picture 7-13)
When the motors are unlocked, you can move them by hand.
8 Software setting
8.1 Install driver
Two printing choices for A20: TF card printing and USB printing.
TF card printing: After leveling, insert the TF card into the slot, and choose a .gcode file to start
printing.
USB printing: Connect the printer and computer with a USB cable to control the printer with
slicing software such as Repetier-Host. Because of some unstable factors such as signal
interference, the USB printing prone to fail. So we suggest choosing TF card printing.
The details of USB printing are as follows:
Firstly, turn on the printer, and connect the printer to computer with a USB cable. Normally, the
computer will automatically search the install driver. The newest communication chip of A20 is

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Geeetech A20 Specifications

General IconGeneral
Filament Diameter1.75 mm
Nozzle Diameter0.4 mm
ConnectivityUSB, SD card
Print TechnologyFDM (Fused Deposition Modeling)
Frame MaterialAluminum
Heated BedYes
DisplayLCD Screen
Machine Weight7.8 kg
Supported MaterialsPLA, ABS
Bed Temperature100°C
Nozzle Temperature250°C
Power Supply110V / 220V
Layer Resolution0.1-0.3mm

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