The nozzle is an element used to direct a flow of material throughout the entire printing process. If you encounter problems with extrusion during either material loading or printing, the nozzle may be clogged and require cleaning or even replacement. Also, the nozzle needs to be replaced if you notice burn marks or a visible lack of material in the structure of the print.

The following manual shows the M200 Plus repair work. For the M300 Plus, these procedures are the same.
1

Unloading the Material

To unload the material, open the Tools menu and select “Material” and “Unload material.” Wait until the extruder heats up and select “Continue” to confirm.

To complete the procedure, remove the material from the endstop placed at the back of the printer.

2

Nozzle Cover Removal

Remove the nozzle cover.

YOU CAN USE A FLATHEAD SCREWDRIVER TO REMOVE THE COVER.
3

Nozzle Removal

Unscrew the nozzle counterclockwise using the nozzle key (when viewed from below).

Remove the nozzle while the extruder is hot.

4

Unplugging the Power Cable

Turn off the printer and unplug the power cable. Wait about 15 minutes and let the machine cool down.

5

Nozzle Assembly

Install the new nozzle in the hotend and screw it in clockwise using the nozzle key (when viewed from below).

SCREW IN THE NOZZLE GENTLY; DO NOT USE TOO MUCH FORCE.
6

Nozzle Cover Installation

Install the nozzle cover on the nozzle.

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