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Wiring it all up

The mechanical build is done - now you bring it to life with wiring. You will set the voltage switch, connect the power and signal cables to their labeled ports, and fit the white PTFE tube that guides filament to the extruder.
Set the voltage switch first. On the back of the power supply is a small red switch reading 115 or 230. In North America it must read 115. Use a screwdriver to slide it. Setting this wrong can prevent the printer from working (or damage it).

Connect the cables

Each cable is labeled and only fits its matching port one way. Pull the bed forward to reach the wiring area in the back.

Power cable (bed to PSU)

Connect the red/black/yellow cable from the bottom of the power supply to the matching red/black/yellow connector under the printer bed. It clicks together one way only.

Z cable to the Z-axis motor

The short cable labeled Z plugs into the back of the Z-axis motor.

Z cable to the limit switch

The other Z-labeled cable plugs up into the bottom of the Z-axis limit switch on the front.

X, X, and E cables to the extruder

The braided cable has three white connectors. The longest (smallest connector, labeled X) goes into the front of the QR-code housing; the second X goes into the back of the housing; and E plugs into the side of the filament feeder.

Install the PTFE tube

1

Fit the pneumatic coupler

Screw the gold pneumatic fitting (from the “spare parts” bag) into the threaded hole on the side of the filament feeder, righty-tighty.
2

Insert the white tube

Push the white PTFE tube firmly into the coupler until it clicks. This tube guides filament into the extruder.
The voltage switch reads 115 (North America), all cables (power, Z motor, Z limit, two X, and E) are seated in their labeled ports, and the PTFE tube is clicked into the feeder coupler.

Up next

Almost there - a quick print bed setup and you are ready to power on.