Ultimaker 3 safety and compliance

The Ultimaker 3 or Ultimaker 3 Extended generates high temperatures and has hot moving parts that can cause injury. Never reach inside of the Ultimaker 3 or Ultimaker 3 Extended while it is in operation. Always control the printer with the button at the front or the power switch at the back. Allow the Ultimaker 3 or Ultimaker 3 Extended to cool down for 5 minutes before reaching inside.

Do not change or adjust anything on the Ultimaker 3 unless the change is authorized by the manufacturer.

Do not store items in the Ultimaker 3.

The Ultimaker 3 or Ultimaker 3 Extended is not intended for use by persons with reduced physical and/or mental capabilities, or lack of experience and knowledge, unless they have been given supervision or instruction concerning the use of the appliance by a person responsible for their safety.

Children should be under constant supervision when using the printer.

Intentional radio

This device may not cause harmful interference, and this device must accept any interference received, including interference that may cause undesired operation.

Electromagnetic Compatibility (EMC)

This equipment has been tested and found to comply with the limits for a Class A digital device, pursuant to part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference when the equipment is operated in a commercial environment. This equipment generates, uses, and can radiate radio frequency energy and, if not installed and used in accordance with the instruction manual, may cause harmful interference to radio communications. Operation of this equipment in a residential area is likely to cause harmful interference in which case the user will be required to correct the interference at his own expense.

Electrical Safety

The Ultimaker 3 has been tested according to the IEC 60950-1, which falls under the low voltage directive. The Ultimaker 3 must be used in conjunction with the Meanwell power supply GST220AX and delivered power cord. In combination, they guarantee safe use in relation to short-circuit, overload, over-voltage, and over-temperature. For more information, the CB-report can be requested via our support team.

Always unplug the printer before doing maintenance or modifications.

Mechanical Safety

The Ultimaker 3 contains moving parts. No damage to the user will be expected from the drive belts. The force of the build plate is big enough to give some damage, so keep hands out of the reach of the build plate during operation.

Always unplug the printer before doing maintenance or modifications.

Risk of Burns

There is a potential risk of burns: the print head can reach temperatures up to 280 °C, while the heated bed can reach temperatures of 100 °C. Don’t touch both with your bare hands.

Always allow the printer to cool down for 30 minutes before performing maintenance or modification.

Health and Safety

3D printing thermoplastics may result in the release of Ultra Fine Particles (UFPs) and Volatile Organic Compounds (VOCs) depending on the thermoplastic used and settings of the 3D printer.

Ultimaker products are designed for use with Ultimaker materials and are open for use with materials from third-party suppliers.  

Ultimaker materials

Ultimaker materials can be printed safely without any filtering using the recommended temperatures and settings in a well-ventilated area (minimum refresh rate of 1.8 for a room size of 30.6 m3). When multiple Ultimaker 3D printers are operated in a contained environment, emissions of UFPs and/or VOCs may vary. Please consider other safety measures, such as a filter, cabinet, and/or dedicated ventilation system depending on your specific situation.  

Third-party materials

Third-party material manufacturers can supply print profiles that contribute to reliable results with Ultimaker hardware (“The Ultimaker Material Alliance Program” and Certified materials).  

The use of print profiles and materials from Ultimaker’s Material Alliances and/or other suppliers may require additional safety measures such as a filter for the safe usage of such materials. Please take the relevant information provided by the supplier of such filament/material into account at all times for safe operation. Please check the safety data sheet of each specific material for information.  

Ultimaker cannot be held responsible for any adverse effects from the use and/or performance of these materials.


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