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Background Information
The Prusa MK4S, Prusa’s 2024 iteration of its flagship 3D printing workhorse. The printer features a metal frame and a print area of 250 x 210 x 220 mm. Compared to its predecessor, the MK4S offers marginal improvements, including enhanced part cooling and increased print speeds. Users can upgrade from a Prusa i3 to the MK4S using the provided upgrade kit.
Technical Specifications
Physical Dimensions
- Print Area:
- X: 9.84 in (250 mm)
- Y: 8.3 in (210 mm)
- Z: 8.6 in (220 mm)
- Filament Diameter: 1.75 mm
- Layer Height: 0.05 - 0.30 mm
- Weight: 15.43 lb (7 kg)
- Printer Dimensions (No Spool)
- X: 21.6 in (500 mm)
- Y: 21.6 in (550 mm)
- Z: 15.7 in (400 mm)
Electronics
- Mainboard: Custom 32-bit xBuddy electronics with STM32
- Stepper Drivers: Trinamic 2130
- Stepper motors: Precise 0.9° X,Y stepper motors (prevents VFA)
Extruder Information
- Extruder: Nextruder, Direct Drive, E3D V6 compatible w/ adapter
- Extruder Electronics: Custom breakout board for connecting fans, thermistors and other parts.
- Filament Path: Aluminum heatsink, all-metal hotend
- Drive System: Nextruder Planetary Gear System, 10:1 gearbox ratio
- Cooling Fan: High-performance turbine, 360° cooling system
- Nozzle: High-flow Prusa Nozzle brass CHT - 0.4 mm
Operating Temps
- Max nozzle temperature: 554 °F (290 °C)
- Max heatbed temperature: 248 °F (120 °C)
Controls
- LCD Screen: 3.5″ graphic 65k color screen
- Touch Control: Yes
- Firmware update interface:
- USB drive
- Prusa Connect
- Prusa Mobile App
- Prusa Connect Support: Yes
- Prusa App:
- iOS Support
- Android Support
- Quick-Swap Nozzle System: Yes
- Lighting: No
Accessories
- MMU3 Support: Yes
- GPIO Board Compatibility: Yes
- Accelerometer Compatibility: Yes
Connectivity
- Ethernet Connection: Yes
- Wi-Fi:
- NFC receiver
- Optional ESP Wi-Fi module (delivered with the printer)
Seonsors
- Filament Sensor: 1 sensor
- Loadcell Sensor: Yes
- Power Panic: Yes
- Thermistors: 4 high-precision thermistors (genuine Semitec)
- Fan RPM Motors Monitoring: Yes
Printing
- Print Medium:
- USB drive
- LAN
- internet via Prusa Connect
- Mobile Prusa App
- Print Surface: Magnetic heatbed w/ removable PEI spring steel sheets
- First Layer Calibration: Fully automatic
- Bed calibration: Automatic, Mesh Bed Leveling (only on print area)
- Input Shaper: Yes
- Supported materials:
- PLA
- PETG
- Flex
- PVA
- PC
- PP
- CPE
- PVB
- Supported Materials Using Advanced Filtration System:
- ABS
- ASA
- HIPS
- PA
Power
- PSU: 240W
- Power Panic: Custom made by Delta with Power Panic HW
- Power Consumption:
- PLA settings: 80W
- ABS settings: 120W
What's in the Box
- Prusa MK4S Assembled 3D Printer
- Smooth PEI Print Sheet
- 3D Printing Handbook
- 1 kg Prusament PLA Prusa Galaxy Black
- USB w/ Sample G-Code Prints
- Alcohol-saturated wipes
- Acupuncture Needle
- Toolset:
- Uni-wrench
- 13-16 wrench
- Nose pliers
- Allen and torx keys
- Spoolholder
- Prusa Lubricant for Bearings
- 3D Printing Handbook
