Anycubic Kobra S1

The Anycubic Kobra S1 is an FDM 3D printer from Anycubic with a 250 x 250 x 250 mm build volume.

Calibration

• Start with a mechanical inspection before any electronic calibration.

Action: Power the printer off, open the enclosure, and verify that the CoreXY carriage moves smoothly across the full travel range by hand. Check that the bed plate is seated flat on the magnetic surface, that the build plate is clean, and that the nozzle area is free of filament residue.

Common defects

The Kobra S1 is generally positioned as a fast, enclosed CoreXY printer with strong first-layer behavior, but the provided sources also point to several practical weaknesses and constraints that matter in real use.

• Proprietary nozzle and limited modularity
• Symptoms: Owners may find it difficult to source or swap standard aftermarket nozzles, and modding options are narrower than on printers that use more universal hotend systems.