Original Prusa MK4
Made by Prusa Research · Discontinued · Released Mar 2023
Overview
- Status
- Discontinued
- Released
- Mar 2023
- Launch price
- $1,099
- Announced
- Mar 2023
Build
- Build volume
- 250 × 210 × 220 mm
- Enclosure
- Open frame
- Air filtration
- None
Temperatures
- Max chamber temp
- —
- Max hotend temp
- 290 °C
- Max bed temp
- 120 °C
Motion
- Motion system
- Bedslinger (i3-style)
- Max speed (claimed)
- —
- Max acceleration (claimed)
- —
- Max volumetric flow (claimed)
- —
Toolhead
- Extruder
- Direct drive
- Stock nozzle
- 0.4 mm brass
- Nozzles
- 1
- Multi-material
- MMU3 (optional, up to 5 filaments)
Features
- Bed leveling
- Automatic
- Features
- Filament runout sensor, Input shaping, Power-loss recovery, Automatic Z offset, Quick-swap nozzle
- Firmware
- Prusa Firmware Buddy (open source)
- Connectivity
- Wi-Fi, Ethernet, USB, Cloud
- Laser module
- None offered
Speed, acceleration and flow figures are the manufacturer's claims. A dash means the manufacturer does not publish the value.
Sources
Last verified
- Prusa Research blog, Original Prusa MK4 is here (2023-03-29): shipping now, assembled 1099 USD, kit 799 USD, Input Shaper, quick-swap nozzles, Ethernet and Wi-Fi ports (accessed Sep 29, 2026)
- Prusa Research, Original Prusa MK4 product page and technical parameters, archived 2024-03-03 (accessed Sep 29, 2026)
- Prusa Knowledge Base, Different nozzle types (Prusa FFF printers are equipped with a brass nozzle) (accessed Sep 29, 2026)
- Prusa Research, former MK4 product URL now serves the Original Prusa MK4S page (accessed Sep 29, 2026)
- GitHub, prusa3d/Prusa-Firmware-Buddy (GPL-3.0 firmware source for MK4, XL, MINI) (accessed Sep 29, 2026)