Prusa Prusa MK4S 3D Printer - Fully Assembled

Fast and Precise Results without Compromise

The Original Prusa MK4S ensures reliable, high-quality prints for all your creative and professional projects. Building on the success of the MK4, it brings enhanced precision and faster print speeds with advanced features.

• Achieve faster, more accurate prints with the improved high-flow nozzle and firmware optimizations.
• Experience superior cooling efficiency with 360° cooling technology.
• Trusted by hobbyists and industry professionals for its consistent and dependable results.

Perfect for Pros and Beginners

The MK4S is designed to meet the needs of both newcomers and seasoned professionals. Its user-friendly interface ensures an easy start for beginners, while its reliable performance suits demanding professional environments.

• Start printing in just 15 minutes with simple setup and quick calibration.
• Intuitive user interface makes operation seamless, even for first-time users.
• Built for reliability, making it ideal for both home use and professional workshops.

Unmatched Print Quality

The MK4S combines speed and precision, ensuring that faster print times never come at the cost of quality. With fine-tuned features and optimized workflows, it consistently delivers accurate, high-quality models, earning a perfect 30/30 Print Quality score from TechRadar.

• Achieves industry-leading print quality without compromising speed.
• Fine-tuned features deliver highly precise and detailed models.
• Recognized by TechRadar with a perfect 30/30 Print Quality score.

Perfect Dimensional Accuracy

The MK4S ensures your designs come out exactly as intended, making it ideal for projects requiring a perfect fit. With exceptional precision, it consistently delivers accurate prints, as confirmed by CT scan comparisons.

• Ensures precise prints for projects requiring exact dimensions.
• Ideal for engineering applications and functional prototypes.
• Accuracy validated through CT scan measurements.

360° Cooling – Print without Supports

Boost efficiency and save material with the MK4S's advanced 360° cooling system. This innovation allows for overhangs up to 75° without supports, simplifying complex designs and reducing production time and costs.

• Print complex overhangs up to 75° without needing supports.
• Cut down on material usage and reduce print times.
• Simplifies the process of printing flexible materials like TPU.

Solid & Durable Prints

The MK4S delivers prints built to last, with superior strength and reliability. Its advanced cooling fan and high-flow nozzle ensure excellent layer adhesion for durable results, whether you're prioritizing speed or maximum sturdiness.

• Achieve strong, long-lasting prints with excellent layer adhesion.
• High-flow nozzle supports faster and more reliable printing.
• Choose from various print profiles for optimal speed or durability.

Perfect Surface Finish

The MK4S ensures your models come out smooth and visually appealing, thanks to print profiles that prioritize flawless surface finishes. With adjustable layer heights, you can tailor your prints for intricate details or faster production of larger objects.

• Achieve smooth, high-quality surface finishes for your prints.
• Adjust layer height for fine details or quicker results.
• Compatible with 0.25mm nozzles for intricate model precision.

World-Class Print Speed

The Prusa MK4S delivers remarkable print speeds, earning praise from Tom’s Hardware for being "pretty darn fast." Its advanced cooling system and high-flow nozzle work together with optimized firmware to substantially reduce print times without compromising quality.

• Fast printing without sacrificing precision and detail.
• Advanced 360° cooling and high-flow nozzle for efficient filament flow.
• Optimized firmware and print profiles for faster, flawless results.

Seamless Workflow

The MK4S makes it easier to manage your printing projects with remote control capabilities. Thanks to its ethernet port, Wi-Fi with NFC setup, and secure Prusa Connect system, you can control your printer from anywhere, while also maintaining full offline functionality for added security.

• Remote control via ethernet, Wi-Fi, and NFC setup.
• Manage printers securely through Prusa Connect or the mobile app.
• Option to operate fully offline for maximum security.

Advanced Materials

The MK4S is compatible with a wide range of filaments, including PLA, PETG, ASA, carbon-filled materials, and flexible TPU. Its direct drive Nextruder makes it easy to print with TPU, enabling you to create flexible projects, while the option to use an Enclosure helps optimize material performance.

• Compatible with PLA, PETG, ASA, carbon-filled filaments, and TPU.
• Direct drive Nextruder enables easy TPU printing.
• Use an Enclosure to get the most out of your materials.

Original Prusa MK4 vs MK4S

The MK4S takes everything great about the MK4 and enhances it with advanced features for even better performance. With innovations like a new 360° cooling system, a high-flow nozzle, and improved print speeds, the MK4S sets a new standard in 3D printing.

• The MK4S includes a high-performance 360° cooling system and high-flow nozzle as standard.
• Native iOS/Android app with easy NFC Wi-Fi setup enhances connectivity.
• Optional accessories like the GPIO hackerboard and accelerometer cater to advanced users.

Open Design for Simple Maintenance

The MK4S features an open design, allowing for easy access to all parts, making maintenance straightforward and efficient. With over 700 printers running 24/7 in our farm, the MK4S is built for long-term reliability, and all components can be removed using just a set of Allen keys.

• The open “bed-slinger” design ensures easy access to all parts for quick maintenance.
• No welded or glued parts, making disassembly simple with just a set of Allen keys.
• Built to withstand continuous operation with minimal downtime.

Designed for Offline Use

The MK4S is designed to operate entirely offline, allowing users to configure and use the printer without the need for internet connectivity. For environments requiring the highest level of security, the Wi-Fi module can be easily unplugged, ensuring complete control over the printer.

• The MK4S can be fully configured and operated offline.
• The Wi-Fi module can be easily unplugged for secure environments.
• No drawbacks or limitations to offline use.

The Nextruder & 32-bit Platform

The MK4S is powered by an internally developed 32-bit embedded platform and features the next-generation Nextruder. This combination ensures enhanced performance, smoother operation, and greater reliability for all your 3D printing projects.

• The MK4S features an internally developed 32-bit embedded platform for better performance.
• The Nextruder is the next-generation extruder for smoother and more reliable prints.
• The combination of both provides improved efficiency and consistency.

MMU3: Multi-Material Printing

The MMU3 is an optional add-on for the MK4S that enables multi-material printing with up to 5 colors simultaneously. With a new design featuring reinforced metal and plastic parts, the MMU3 delivers faster, more efficient prints with reduced filament waste, making it an excellent choice for complex projects.

• The MMU3 supports up to 5 colors/materials, streamlining multi-material prints.
• Fast filament changes and optimized nozzle cleaning reduce downtime.
• The MMU3 is up to three times more efficient in managing filament waste than other multi-material systems.

Enclosure: Stabilized Printing Environment

The Enclosure is an ideal accessory for printing with advanced materials, creating a controlled, draft-free environment for more consistent results. It helps maintain higher temperatures, making it essential for materials like ASA, ABS, and PC, while also offering an optional high-performance filtration system.

• The Enclosure stabilizes the printer's environment, ensuring optimal print conditions for advanced materials.
• It helps eliminate drafts and odors, making the printer quieter during operation.
• The filtration system removes ultra-fine particles, enhancing print safety and air quality.

Versatile Applications of the MK4

The Original Prusa MK4 is a versatile 3D printer suitable for a wide range of applications, from home projects to professional use. Whether you're printing household items, enhancing hobbies, or creating prototypes for industries like automotive and education, the MK4 provides the flexibility and reliability you need.

• Perfect for creating household items, home decor, and garden projects with free models available online.
• Ideal for hobbyists, makers, cosplayers, and designers to share and download creative 3D models.
• Used in manufacturing, education, architecture, and automotive industries, making it a trusted tool for various sectors.

Technical Specifications of the MK4S

The Original Prusa MK4S is engineered with high-performance components for precise and reliable 3D printing. Below are the detailed technical specifications that define its capabilities, from build volume to power consumption.

Key Specifications:

• Build Volume: 250 x 210 x 220 mm (9.84 x 8.3 x 8.6 in)
• Max Nozzle Temperature: 290 °C (554 °F)
• Max Heatbed Temperature: 120 °C (248 °F)
• Filament Diameter: 1.75 mm
• Layer Height: 0.05 - 0.30 mm

Electronics and Extruder:

• Mainboard: Custom 32-bit xBuddy electronics with STM32
• Stepper Motors: Precise 0.9° X,Y stepper motors (prevents VFA)
• Extruder: Nextruder, Direct Drive, E3D V6 compatible
• Cooling Fan: High-performance turbine with 360° cooling system
• Nozzle: High-flow Prusa Nozzle brass CHT - 0.4 mm

Print Surface & Calibration:

• Print Surface: Magnetic heatbed with removable PEI spring steel sheets
• Bed Calibration: Automatic, Mesh Bed Leveling (only on print area)

Connectivity & Controls:

• LCD Screen: 3.5" graphic 65k color screen
• Connectivity: NFC receiver, optional ESP Wi-Fi module (delivered with printer)
• Print Medium: USB drive / LAN / internet via Prusa Connect

Power & Consumption:

• PSU: 240W, custom made by Delta with Power Panic HW
• Power Consumption: PLA settings: 80W / ABS settings: 120W

Supported Materials:

• PLA, PETG, Flex, PVA, PC, PP, CPE, PVB
• With Enclosure: ABS, ASA, HIPS, PA

Included in Basic Package:

• Original Prusa MK4S
• Smooth PEI Print Sheet
• 2x 25g Prusament Sample
• Toolset: Uni-wrench, wrench, pliers, keys
• 3D Printing Handbook, USB drive with sample prints
• Alcohol-saturated wipes, acupuncture needle, spoolholder, lubricant for bearings

Warranty Notes:

• Consumable parts like print sheets are not covered by the warranty due to expected wear and tear.
• Cosmetic damage is not covered unless caused by defects at delivery.