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ELEGOO Mars 4 Ultra 9K 3D Printer

ELEGOO Mars 4 Ultra 9K 3D Printer Key Features & Buying Guide

$239.89

About this item

  • 【7-Inch 9K Mono LCD】Equipped with a 7-inch 9K mono LCD offering an impressive 8520×4320 resolution and 18µm XY resolution, Mars 4 Ultra allows you to print incredible complex models with crisp details. The mono LCD is protected by a 9H hardness tempered glass, ensuring it withstands daily wear and tear while maintaining optimal performance.
  • 【Wi-Fi Connection】Effortlessly transfer files via the built-in WiFi connectivity, supporting both 2.4G and 5G networks with a transfer speed of 6-10Mbps, eliminating the need for cumbersome cables.
  • 【Powerful Linux OS】With built-in 4G RAM and no more delay loading files, the Linux operating system ensures faster & smooth operation and efficient resource management.
  • 【Effortless Leveling】The 4-point leveling system makes setup a breeze, and after one leveling, no need to repeat leveling, ensuring perfect prints every time. The laser-carved surface on the build plate offers improved adhesion, reducing the risk of print failures. Brand new ACF release liner film with less release tension for a high printing success rate even at a faster printing speed.
  • 【User-Friendly Touch Screen】Navigate easily with the 4-inch HD IPS touch screen with a resolution of 800*480 pixels and support for 12 languages, making operation a breeze for users of all skill levels.
Category:

The ELEGOO Mars 4 Ultra 9K 3D Printer is a high-resolution MSLA resin 3D printer known for its speed and detail, making it particularly well-suited for miniatures and highly intricate models.

Here is a summary of its key features and specifications:

Key Features

 

  • Ultra-High Resolution: It features a 7-inch 9K Mono LCD with a resolution of $8520 \times 4320$ pixels. This translates to an excellent XY resolution of $18 \mu\text{m}$ (microns), which is why it’s highly praised for producing models with exceptional detail and crisp edges, perfect for things like miniatures.
  • High-Speed Printing: The printer can achieve speeds up to $150\text{ mm/h}$ when using the new ACF (Anti-Adhesion Coating Film) release liner and an ELEGOO rapid standard resin. This is significantly faster than previous models.
  • Connectivity and OS: It runs Linux with 4 GB of RAM, providing a fast, stable user interface. It supports High-Speed Wi-Fi transfer (6-10 Mbps) for both 2.4G and 5G networks, in addition to traditional USB printing.
  • Stable and User-Friendly Design:
    • It uses a 4-point leveling system that simplifies the process, requiring only one-time leveling.
    • The build plate features a laser-engraved surface to improve adhesion and significantly reduce print failures.
    • The Z-axis movement is stabilized by a linear guide rail structure with an accuracy of $0.02\text{ mm}$ for precise, stable movement.
    • It has an upgraded plug-in air purifier with an activated carbon filter to help mitigate resin odors.
    • The printer is controlled via a 4-inch HD IPS touchscreen.

Technical Specifications

 

  • Technology: MSLA (Masked Stereolithography) 3D Stereolithography
  • LCD Screen: 7-inch 9K Mono LCD
  • XY Resolution: $0.018\text{ mm}$ ($18\text{ \mu m}$), derived from the $8520 \times 4320$ resolution
  • Maximum Printing Speed: Up to $150\text{ mm/h}$ (with ACF film and rapid resin)
  • Build Volume (Print Size): $153.36\text{ mm} (\text{L}) \times 77.76\text{ mm} (\text{W}) \times 165\text{ mm} (\text{H})$
  • Light Source: COB light source + Fresnel Collimating Lens (405nm wavelength)
  • Z-Axis Accuracy: $0.02\text{ mm}$
  • Slicing Software: Voxeldance Tango (compatible with CHITUBOX and Lychee Slicer using the open-source GOO file format)
  • Printer Dimensions: $227\text{ mm} (\text{L}) \times 227\text{ mm} (\text{W}) \times 443.5\text{ mm} (\text{H})$

 

Buying Advice

 

The Mars 4 Ultra 9K is considered an excellent choice for beginner to intermediate users who prioritize extreme detail in their prints, such as tabletop miniatures, jewelry molds, and small artistic models.

  • Pros: Outstanding print quality due to the $18\text{ \mu m}$ XY resolution, high printing speed, stable build, Wi-Fi connectivity, and a solid metal construction.
  • Considerations: While the build volume is modest, it’s typical for a standard-sized, high-detail resin printer in the Mars series. The ACF film, while enabling speed, is a consumable part. For those needing a significantly larger print area, a Saturn series printer would be a better fit, but for the highest detail at this size, the Mars 4 Ultra 9K is a top contender.
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