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The Elegoo Mars 4 Ultra is a powerful desktop resin printer in elegant black. With its compact build size of 153.36 x 77.76 x 165 mm, 9K resolution and excellent features, you can show off your creativity!

Mars 4 Ultra differences compared to Mars 4:

► COB light source is combined with a Fresnel collimating lens,

► an ACF separation film ensures printing speeds of up to 150 mm/h with stable movements,

► wireless data transmission via WiFi using detachable antenna

► 4 point levelling with four clockwise tightening screws,

► 4-inch IPS capacitive touchscreen,

HD monochrome LCD screen

The Mars 4 Ultra uses a 7-inch 9K (8520 x 4320) HD Monochrome LCD screen with an XY resolution of 18 x 18 µm and a pixel density of 1411 PPI. These parameters make it suitable for printing complex models with crisp details, sharp corners and edges!

A scratch-resistant and durable screen protector made of explosion-proof tempered 9H glass protects the screen from leaking resin as well as dirt and scratches.

COB light source with Fresnel collimating lens

Elegoo’s innovative patented light technology, which combines the COB light source with a Fresnel collimating lens, enables the LCD screen to be exposed with a light angle of 5° and a uniformity of more than 92%. Thus, realistic details and smooth surfaces come to the fore!

Stable printing by Z-axis linear rail

Mars 4 Ultra features an extremely stable Z-axis linear rail with an accuracy of 0.02 mm.

In combination with an ACF release liner and Elegoo FAST standard resin, it also ensures print speeds of up to 150 mm/h max while ensuring smooth and stable movements for detailed projects.

User-friendly design with useful features

► Rugged all-metal housing gives the printer the stability it needs;

► Build platform mounting screws are protected with a rubber cover;

► Adjustable foot pads compensate for the unevenness of the work surface on which the device stands;

► Removable antenna on the side of the Z-axis facilitates connection to the WLAN network;

► A step design of the middle platform prevents leaking resin from flowing into and damaging the interior of the device;

► ACF release liner with lower release voltage provides higher printer success rate at higher print speeds.

4-point levelling system

Mars 4 Ultra features an easy-to-use 4-point levelling system operated by four clockwise tightening screws. One-time levelling is quite enough!

Laser engraved build plate

The laser-engraved build plate of the Mars 4 Ultra provides excellent adhesion of the first layer with its special pattern.

Capacitive 4-inch HD IPS touchscreen

Mars 4 Ultra is equipped with a 4-inch HD capacitive touchscreen with a resolution of 800 x 480 pixels. The touchscreen uses a new UI user interface and supports 12 languages: Chinese, English, Japanese, Korean, Portuguese, Russian, Turkish, German, Spanish, French, Dutch, as well as Italian.

New Linux System

The resin printer runs the powerful Linux OS with 4G RAM. Its user-friendly operating system is fast and ensures stable data transfer.

Data transfer via WiFi

In addition to USB, files can be transferred via WiFi on the Mars 4 Ultra. Data transfer works from both a smartphone and a PC at a speed of 6-10 M/s.

Improved Air Purifier 2.0

The Air Purifier is designed specifically for 3D printers to effectively absorb strong resin odours generated during printing. The air purifier features an activated carbon filter with a cover.

Voxeldance Tango Slicing Software

Mars 4 Ultra uses Elegoo’s proprietary Voxeldance Tango slicing software. With three different printing modes, you can increase your printing efficiency:

• Static mode for printing according to preset parameters,
• Smooth mode, which dynamically adjusts the printing speed according to various factors,
• High-speed mode, in which the printing process is completed faster with improved printing efficiency based on the smooth mode.

Open Source GOO

Elegoo’s open-source GOO slice file format is compatible with a variety of other slicing software in addition to Voxeldance Tango, such as CHITUBOX or Lychee Slicer.