Service Tutorial Ender-5 Max Replace Hotend Adapter Board
H2.0 hexagonal wrench
Cutting pliers
Note: Before replacement, ensure the nozzle temperature is at room temperature
Plug in the power cord and turn on the machine
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Remove the fan cover (unscrew 2 screws)
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Use cutting pliers to cut off the hot glue (be careful not to cut the wires), and unplug the fan wires.
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Use cutting pliers to remove the hot glue from the ports. Note: do not damage the ports and wires.

Unplug the wires from the hotend adapter board

Unscrew the 3 screws fixing the hotend adapter board

Remove the old hotend adapter board

Replace with the new hotend adapter board.

Tighten the 3 screws.

Plug in the wires.

Plug in the fan wires, install the fan cover, make sure the two holes on top are aligned with the positioning posts.
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Tighten the screws on both sides.
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Unscrew 3 screws

Unplug the hotend wires, press the clamp on the terminal when unplugging.

Remove the rear fan cover, unscrew 4 screws.
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Use cutting pliers to remove the hot glue from the ports. Note: do not damage the ports and wires, remove the fan cover.

Unplug the wires.

Remove the rear hotend adapter board, unscrew 4 screws.


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Replace with the new hotend adapter board, plug in the wires.
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Tighten 4 screws

Plug in the motor wires and fan wires, organize the wires to avoid damage.

Install the rear fan cover.

Tighten 4 screws on the left and right sides.
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Plug in the hotend wires.

Tighten 3 screws to secure the hotend wires
Turn on the machine

Click "Settings" - "Device Self-test" - "Select All" - "Start detecting"
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