If you encounter problems with extrusion during either the material loading or printing, the nozzle may be clogged and require cleaning (see the manual – nozzle cleaning) or even replacement. Also, the nozzle needs to be replaced if you notice burn marks or material deficiency on the model. Follow these steps in case the cleaning does not help.

1

M Series Printers Servicing

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The Zortrax M Series includes two printer models right now: the M200 and the M300. These printers are similar in terms of design and technology. The most important difference is their size: the M200 has a 200x200x180mm workspace, whereas the M300 has an increased 300x300x300mm workspace.

Therefore, maintenance and repair work can be carried out in the same manner with both models. The following manual shows M200 repair work. For the M300, these procedures look the same.

2

Unloading the Material

From the menu choose “Material” and then “Unload the material” option. The extruder should start to heat up automatically. Once the extruder is hot, the motor will start to unload the material.

3

Nozzle Removal

Unscrew the nozzle counterclockwise (when viewed from below). Use the nozzle key from the Starter Kit box. Removing the nozzle should take place while the extruder is still hot. When the nozzle is loose, remove it using pliers.

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.

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