Ultimaker 3 Extended

The Ultimaker 3 Extended is an FDM 3D printer from Ultimaker B.V. with a 215 x 215 x 300 mm build volume.

Calibration

• Verify the mechanical baseline before any material tuning.

Action: Power on the printer, let the head and bed complete homing, and inspect the motion system for smooth travel in X, Y, and Z. Confirm that both print cores are seated fully, the build plate is clean, and the bed surface is free of oils, adhesive residue, or debris.

Common defects

The provided sources do not include a formal recall bulletin, but they do reveal several practical defect classes and operational limitations that matter on the Ultimaker 3 Extended.

• Dual-extrusion ooze, drag, or scarring

Symptoms: One nozzle can leave marks on the part, especially during tool changes or when the inactive nozzle does not fully clear the print path. You may also see strings, blobs, or rough transitions between materials.