Kobra 3 Combo

The Kobra 3 Combo is an FDM 3D printer from Anycubic with a 250 x 250 x 260 mm build volume.

Specifications

Hotend: The direct drive extruder features a quick-release, all-metal hotend capable of reaching a maximum temperature of 300°C .

Bed: The printer uses a PEI spring steel build plate over a heated bed that can reach maximum temperatures of 100°C to 110°C [3, 5].

Chamber & Enclosure: The printer has an open frame "bed-slinger" design and does not feature an enclosure or a heated chamber [6, 7].

Build Volume: The maximum print volume is 250 x 250 x 260 mm (16.25 liters) [2, 5, 8, 9].

Kinematics: It utilizes a Cartesian (bed-slinger) motion system.

Calibration

1. Bed Leveling (LeviQ 3.0 Auto-Leveling)

• Step: Ensure the PEI magnetic spring board is clean and properly installed . On the printer's touchscreen, navigate to "Tools" -> "Control" -> "Auto Level" . The Kobra 3 uses a nozzle-tapping strain gauge system to map the bed automatically [2, 3].
• Expected Outcome: The printer stores a precise topographical mesh of the build plate to compensate for minor height variations during printing .

Common defects

Here is a comprehensive list of defects, bugs, weak points, and failures reported for the Anycubic Kobra 3 Combo, along with compatibility, recall, and End-of-Life (EOL) information based on the provided sources.

Hardware Defects & Weak Points

1. Hotend "Blob of Death" & Clogging

• Symptom: Filament leaks from above the nozzle, encasing the hotend and silicone sock in a massive blob of plastic [1, 2]. Frequent nozzle clogging or clicking sounds from the extruder [3, 4].