Change the nozzle of the Ultimaker 2+ Connect

The Ultimaker 2+ Connect has a heater block with easily swappable nozzles. A 0.4 mm nozzle is already installed, and an extra 0.4 mm nozzle is included in the accessory box. Other compatible nozzle sizes include 0.25 mm, 0.6 mm, and 0.8 mm and can be purchased separately.

Install a different nozzle size for faster prints, or to achieve more detail. To change the nozzle, use the 7 mm wrench that is included in the accessory box.

Tip: Before removing the nozzle, perform a cold pull to remove material residue from the inside of the nozzle. This ensures that the nozzle is easier to remove, and it is clean and ready to use if you want to install this nozzle again later.

Requirements

To change the nozzle, you can use the 7 mm wrench that is included in the accessory box. Because this procedure requires handling the nozzle while it is warm, protective (thermal) gloves are advised.

Instructions

Tip: If you have an Ultimaker 2+ Connect Air Manager, remove the front enclosure until this procedure is finished.

1. Remove material First, remove the material from the print head. The filament only has to be partially unloaded, until it is visible above the print head. Use the Change material procedure or raise the nozzle temperature via the Maintenance menu and unload the filament manually.
2. Place print head Manually place the print head in the middle or front-center of the gantry. This gives you good access to the nozzle.
3. Raise nozzle temperature In the Maintenance menu, select Set nozzle temperature. Increase the temperature to 100 ºC and wait for the nozzle to heat up. This makes it easier to loosen the nozzle.
4. Remove the nozzle

Use the 7 mm wrench to unscrew the nozzle from the heater block, in a clockwise direction

Caution: The nozzle is warm. Take proper measures to catch the nozzle when it is loosened from the heater block. Protective (thermal) gloves are advised.

5. Install new nozzle

Select the desired nozzle and manually screw it into the heater block until it is hand-tight. Finally, use the wrench to fully tighten the nozzle

Caution: Be careful, as the heater block is still warm. Protective (thermal) gloves are advised.

When the new nozzle is installed, you can press the X icon in the corner of the display to exit the Set nozzle temperature menu. The heater block will cool down automatically. You can now reload the material and, if you have an Air Manager, reinstall the front enclosure.

Settings

If a different size nozzle was installed, ensure to change this setting in the Ultimaker 2+ Connect menu. In the Settings menu, select the option Set nozzle size and choose the correct nozzle. Press Yes to confirm.

When your Ultimaker 2+ Connect is connected to the network and using the Ultimaker Digital Factory functionality, the new nozzle information is automatically available in Ultimaker Cura under Configurations. For non-connected printers, you can select the new nozzle size manually in Ultimaker Cura to prepare the next print job.

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