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ELEGOO Saturn 4 12K

ELEGOO Saturn 4 12K

By ELEGOO · Enclosed 3D Printers · 3D Printing · More from ELEGOO

  • 10-inch 12K Mono LCD 11520x5120, XY 19x24µm
  • Build Volume 218.88×122.88×220 mm
  • COB + Fresnel Collimating Lens
  • Auto Leveling & Intelligent Mechanical Sensor
  • Advanced Cooling System

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Problems, parts and running costs

Summary

A mid-size enclosed MSLA resin printer with a 10-inch 12K mono LCD and a 218.88 × 122.88 × 220 mm build volume. No independent lab test of this exact model exists, and the LCD carries only a 3-month warranty, so buy where returns are straightforward.

Strengths

  • Auto leveling with a one-click self-check and mechanical alarms takes most of the setup guesswork out.
  • 12K detail and the large build volume cover miniatures and bigger parts in one plate.
  • Open materials: any 405 nm resin works, with no cartridge lock-in.
  • Owners describe it as close to idiot proof and plug and play out of the box.
  • The replaceable 9H tempered glass protector guards the LCD, and the tank has dual pour spouts, a replaceable lock and a drip tray.

Weaknesses

  • No independent instrumented test of this exact model was found; the optical figures are ELEGOO’s own claims.
  • Screen failures recur in owner reports, and ELEGOO’s guidance for replacing the LCD is a full disassembly of the printer.
  • Some units fail out of the box or freeze after a few months, per review-pool reports.
  • The regular Saturn 4 drops features versus the Saturn 4 Ultra for about $100 less, and owners argue the Ultra is the better value.
  • The LCD screen carries only a 3-month limited warranty, and the resin tank and build plate 6 months.
  • No user control over lift speed, a recurring community complaint.

Verified specifications

LCD10-inch 12K monochrome panel, 11520 × 5120 pixels.
XY resolution19 × 24 µm.
Build volume218.88 × 122.88 × 220 mm.
Layer thickness0.01–0.2 mm.
Print speedmaximum 70 mm/h.
Z-axis accuracy0.02 mm.
Light sourceCOB plus Fresnel collimating lens at 405 nm; ELEGOO lists 144 LEDs, 92% field uniformity, a 0.5% astigmatism coefficient, under 5° angle deviation, 500:1 contrast and 1.5–3 s curing per layer.
Levelingautomatic, with a one-click self-check.
Sensorsmechanical residue detection plus resin-shortage and leveling-failure alarms.
LCD protection9H tempered glass protector.
Materialsopen system for any 405 nm photopolymer resin, with no proprietary cartridges.
SlicersVoxeldance Tango, Chitubox and Autodesk Fusion; STL and OBJ file formats.
Dimensions327.4 × 329.2 × 548 mm.
Weight13.5 kg net.
Power100–240 V, 50/60 Hz, 24 V 6 A.
Display3.5-inch resistive touch screen.
FirmwareEL3D-3.0.1.
Full research notes and sources

Community sentiment is mostly positive: an aggregator tracking 50 Reddit and YouTube mentions scores the Saturn 4 at 71% positive, and owners praise the 12K detail, the auto leveling and the build volume. The counter-signal is consistency. An owner of four ELEGOO printers calls the Saturn 4 “super hit and miss”, and the aggregator logs a complaint theme about print quality at fast speeds and low layer heights. ELEGOO’s optical numbers — 92% field uniformity, under 5° angle deviation, a 0.5% astigmatism coefficient and 500:1 contrast — appear only on ELEGOO’s own pages, and retailers repeat them without noting they are manufacturer claims. No third-party verification of those figures was found.

Screen failures and repairs

The clearest repeated complaint is the LCD screen. One owner had a screen replaced under warranty at four months; another reports a cooked screen and says ELEGOO’s replacement guidance requires a full disassembly of the printer, calling it the worst part of the Saturn 4. The manufacturer’s own US review pool contains a report of a screen that “went bad without even using the printer”. The 9H tempered glass protector over the LCD is the first line of defense and is replaceable. Long-term reliability data was not found in any source checked.

Warranty and returns

For US buyers the warranty is 12 months on the machine, with limited cover of 3 months on the LCD screen and 6 months on the resin tank and build plate; release film has no warranty. The US store advertises a 1-year warranty and 14-day returns. One ELEGOO EU store page showed a 6-month line for resin printers, which conflicts with the global policy; treat the official policy page as authoritative and confirm the term at checkout. Given the screen-failure reports, buying through a channel with an easy return policy matters.

ELEGOO sells the Saturn 4 direct at $319.00 (ELEGOO US, 2026-10), and a bundle with the Mercury Plus V2.0 wash-and-cure station and resin is $443.00. A community aggregator shows the same $319.00 marked down from $399.00. Recurring costs are 405 nm resin, release film and cleaning supplies, all open-market since there is no cartridge lock-in. Odor control is optional: the compatible Mars Mate air purifier is sold separately and is not included.

Which model this is

This page covers the ELEGOO Saturn 4 12K, a 10-inch 12K mono-LCD MSLA printer with a 218.88 × 122.88 × 220 mm build volume. Don’t merge it with the Saturn 4 Ultra, the Saturn 3 or Saturn 3 Ultra, the Saturn 8K or the Saturn 2. The US listing for this model is ASIN B0HK8DYYB9.

Sources

Manufacturer:

Independent coverage:

Retailer and specialist listings:

Owner reports:

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