Turn The Makerbot Replicator 2X Onto Its Left Side; Remove The Electronics Cavity Cover; Removing Cables From The Mightyboard; Detach The Main Extruder Cable From The Mightyboard - MakerBot Replicator 2X Quick Start Manual

Replacing the extruders

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carriage and another all the way at the left. Set the bolts aside. Tilt the

extruders to free them from the extruder carriage and set them aside.

5. Turn the MakerBot Replicator 2X onto its left side

To access the Mightyboard, you will need to remove the electronics cavity

cover. Carefully turn your MakerBot Replicator 2X onto its left side so you have a

clear view of the underside of your 3D printer.

The cover is secured with four M3X6 bolts. Use the 2.5 mm hex wrench to

remove them. Set the bolts aside and remove the electronics cavity cover.

In the following steps, you will disconnect the cables that link the extruders to

the Mightyboard. To make connecting the cables from your new extruders

easier, use masking tape and a marker or pen to label the parts of the

Mightyboard where each cable connects. You can also label the cables on your

old extruders as you're disconnecting them and use them as a visual reference

when you're installing the new extruders.

The extruder cables from your two extruders are each composed of four pairs of

twisted wires. They connect to the Mightyboard at two ports along the lower

edge of the board, labeled A and B. Use tape and a marker to label the extruder

cable ports before you detach the cables. Gently pull the plastic connectors to

disconnect the cables.

The thermocouples from the two extruders attach to a set of terminals at the

lower right of the Mightyboard. These terminals are also marked A and B. Use

tape and a marker to label the terminals before detaching the thermocouples

from the board.

If the terminals are secured by buttons, push the buttons on the terminals to

release the red and yellow leads. If the terminals are secured by screws, use a

small flathead screwdriver to loosen the screws until you can remove the leads.

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