Original Prusa MK4: handbook dimensions and the installed nozzle
The MK4 handbook separates 250 × 210 × 220 mm printing space from bed-centered depth and lists a 0.4 mm nozzle and 1.75 mm filament.
Browse by manufacturer
Prusa 3D printers guides
Prusa selection should distinguish MK4S, CORE One+ (Gen2), XL+ and SL1S SPEED by process, build volume and tool configuration. Multi-material equipment, enclosure conditions and nozzle instructions need their own exact-model checks.
Identity first
Models covered
View profile
Original Prusa XL: large-print space and toolhead configuration
The XL handbook covers multiple assembly and tool configurations. Check its 360 mm cube build volume separately from 700 mm depth and 910 mm cable-inclusive height.
Prusa CORE One L Critical Infrastructure: verify the wireless hardware distinction
The documented CI model omits the Wi-Fi slot and circuitry. Separate that physical claim from network isolation, procurement and accessory assumptions.
Prusa CORE One L: separate printing space from cabinet dimensions
CORE One L handbook figures: 300 × 300 × 330 mm printing space, 521 mm closed-door depth, 469 mm width and 635 mm height.
Prusa CORE One L+ INDX: print space, filtration depth and camera
The L+ INDX envelope is 298 × 275 × 330 mm. Account separately for filtration depth and the included, optionally installed camera.
Prusa CORE One L+: standard hotend versus the HT upgrade
Separate the CORE One L+ standard hotend from its optional HT upgrade, then check machine dimensions, weight and layer range.
Prusa CORE One: closed-door dimensions and chamber limits
Original CORE One handbook measurements, CHT 0.4 mm nozzle, 1.75 mm filament and the qualified up-to-55 °C chamber statement.
Prusa CORE One+ Gen2 INDX: use the INDX working envelope
INDX-specific 248 × 205 × 270 mm build volume, 300 °C nozzle limit, layer range and load-cell first-layer calibration.
Prusa CORE One+ Gen2: standard nozzle and optional camera
Check the Gen2 250 × 220 × 270 mm envelope, brass CHT nozzle and separate bed/nozzle limits without assuming a camera is included.
Prusa MINI+: identify the side-mounted feeder and SuperPINDA
MINI+ handbook checks for the side-mounted extruder motor, PTFE feed path, SuperPINDA, 0.4 mm nozzle and 1.75 mm filament.
Prusa MK2.5S: removable sheets and the bed configuration
Identify the MK2.5S removable MK52 platform, miniRAMBO, filament diameter and documented printing envelope before servicing an upgraded machine.
Prusa MK2S: identify the fixed-bed generation before buying parts
The official MK2S comparison identifies MK42, miniRAMBO and a 25 × 21 × 20 cm build volume. Separate this configuration from upgraded machines.
Prusa MK3S: PINDA v2, steel sheets and first-print identity checks
Identify the original MK3S PINDA v2 probe, Einsy Rambo board, spring-steel sheet and SD-card workflow before choosing calibration instructions.
Prusa MK3S+: why Temperature Calibration can be disabled
Prusa explains the disabled calibration menu with SuperPINDA. Check that condition alongside the MK3S+ sheet, filament and SD-card setup.
Prusa MK4S: nozzle, materials and everyday ownership
What the MK4S includes, when MMU3 changes nozzle choice, and which materials need the documented enclosure configuration.
Prusa Pro HT90: cylindrical build area and open-door clearance
Interpret the HT90 Ø300 × 400 mm build volume, 1470 mm open-door height, separate bed/chamber limits and documented network options.
Prusa SL1: identify the original exposure screen and print area
Original SL1 specifications from Prusa’s side-by-side comparison: 120 × 68 × 150 mm, 5.5-inch display and 405 nm resin scope.
Prusa SL1S SPEED: check screen resolution without assuming print accuracy
SL1S SPEED has a documented 127 × 80 × 150 mm area and 5.96-inch display. Keep screen specifications separate from exposure-profile decisions.
Prusa XL+: toolhead count and optional chamber heating
XL+ lists up to five tools, a 360 mm cube envelope and 16 bed tiles. Understand the optional enclosure and external-heater temperature conditions.
Practical guidance
Tasks for Prusa devices
Brand updates
Latest Prusa update
Prusa lists firmware 7.0.0 for CORE One L+ and CORE One+ ·
Research and editing: My Device Guide. Compiled with AI assistance and reviewed against the manufacturer documents and model records cited below.How we verify · Updated:
Compare the project and configuration before the family name
MK4S, CORE One+ (Gen2) and XL+ provide different filament-printing configurations, while SL1S SPEED belongs to the documented resin workflow. Start by identifying the intended parts, materials and number of tools needed. A shared Prusa brand does not turn these machines into one interchangeable production system.
The suffix matters when reading a catalog or an upgrade description. Keep the complete recorded name with the machine’s configuration, then use the corresponding guide below. An enclosure option, toolhead count or nozzle instruction should be checked against that configuration instead of copied from a nearby model.
Prusa Research · www.prusa3d.comPrusa Knowledge Base · help.prusa3d.comPrusa Knowledge Base · help.prusa3d.comPrusa Research · www.prusa3d.comPrusa Research · help.prusa3d.comPrusa Research · www.prusa3d.comPrusa Research · help.prusa3d.com
Match every build axis to the intended object
MK4S lists 250 × 210 × 220 mm, CORE One+ (Gen2) lists 250 × 220 × 270 mm and XL+ lists 360 × 360 × 360 mm build volumes. These dimensions address object fit; they do not establish equal material handling or equal outcomes. Check the planned orientation rather than comparing only the largest axis.
SL1S SPEED lists 127 × 80 × 150 mm and a 405 nm resin process. It is a separate process choice, not simply the small end of the same filament range. Decide whether the documented workflow matches the project before comparing dimensions, and obtain the exact preparation instructions for the chosen material and machine.
Prusa Research · www.prusa3d.comPrusa Knowledge Base · help.prusa3d.comPrusa Knowledge Base · help.prusa3d.comPrusa Research · www.prusa3d.comPrusa Research · help.prusa3d.comPrusa Research · www.prusa3d.comPrusa Research · help.prusa3d.com
Material support includes enclosure and nozzle conditions
MK4S documentation lists a 290 °C nozzle limit, a 120 °C bed limit and a high-flow brass CHT nozzle configuration. Its material guidance distinguishes materials that need an enclosure condition. A broad material name is therefore insufficient: check the documented environmental and hardware requirements before interpreting it as a supported everyday setup.
Multi-material use adds another choice. The reviewed MK4S guidance distinguishes the standard nozzle option for the MMU3 workflow rather than assuming that a high-flow nozzle is always preferable. Evaluate the intended material changes and the documented configuration; a headline speed figure cannot choose the nozzle or establish the waste outcome for your project.
Prusa Research · www.prusa3d.comPrusa Knowledge Base · help.prusa3d.comPrusa Knowledge Base · help.prusa3d.comPrusa Research · help.prusa3d.com
XL toolheads and chamber options are separate decisions
XL+ documentation describes up to five independent toolheads and sixteen independently controlled bed tiles. The toolhead configuration is relevant when planning different materials or a multi-tool workflow, but the maximum option is not necessarily the configuration in a seller’s package. Confirm what the selected machine actually includes.
The optional enclosure and external-heater conditions are also distinct from the printer name. Check the exact equipment and permitted operating conditions before assigning a chamber-temperature claim to an unconfigured unit. CORE One+ (Gen2) likewise has its own accessory configuration; an optional camera should not be assumed to be supplied with every package.
Prusa Research · www.prusa3d.comPrusa Research · www.prusa3d.com
Maintenance needs the exact nozzle and procedure
MK4S maintenance guidance distinguishes a high-flow nozzle’s cleaning method and explains that a clicking sound alone does not establish a clog. It also documents LoadCell-based calibration. Diagnose the recorded symptom with the actual installed hardware instead of introducing a routine adjustment or cleaning technique from another printer.
For any Prusa machine, begin with the exact model and configuration, then consult its official preparation and maintenance sources. The links below connect those decisions to individual guides. This introduction explains manufacturer-documented options; it does not claim that we have benchmarked every configuration or confirmed parts interchangeability across generations.
Prusa Research · www.prusa3d.comPrusa Knowledge Base · help.prusa3d.comPrusa Knowledge Base · help.prusa3d.comPrusa Research · www.prusa3d.comPrusa Research · help.prusa3d.comPrusa Research · www.prusa3d.comPrusa Research · help.prusa3d.com
Continue with the exact device
- Prusa MK4S: nozzle, materials and everyday ownership
- Prusa CORE One+ Gen2: standard nozzle and optional camera
- Prusa XL+: toolhead count and optional chamber heating
- Prusa SL1S SPEED: check screen resolution without assuming print accuracy
- MK4S first-layer problems: sheet checks and loadcell testing
- Diagnose an MK4S clogged nozzle without using the wrong procedure
- MK4S accessory fit: Nextruder, MMU3 and enclosure choices
- MK4S materials: open-printer choices and enclosure conditions
Original documents and scope
Prusa Research · Original Prusa MK4S 3D Printer
www.prusa3d.com · United States · Facts verified:
Technical parameters — Measurements · Technical parameters — Measurements, Extruder, temperatures and print surface · Technical parameters — Extruder and temperatures · Technical parameters — Extruder · Technical parameters — Materials · Printer comparison — First layer calibration · MMU3 section and printer comparison
Read the original manufacturer document ↗Prusa Knowledge Base · First layer issues
help.prusa3d.com · United States · Facts verified:
Sheet cleaning, Expansion joints, Nozzle conditions and LoadCell check
Read the original manufacturer document ↗Prusa Knowledge Base · Clogged nozzle
help.prusa3d.com · United States · Facts verified:
How to spot a clogged nozzle · How to fix it, Acupuncture needle, Push new filament and Cold pull
Read the original manufacturer document ↗Prusa Research · Prusa CORE One+ (Gen 2) | Original Prusa 3D printers directly from Josef Prusa
www.prusa3d.com · Global · Facts verified:
Prusa CORE One+ (Gen 2) — Heated-bed limit · Prusa CORE One+ (Gen 2) — Build volume · Prusa CORE One+ (Gen 2) — Camera package status · Prusa CORE One+ (Gen 2) — Standard nozzle limit · Prusa CORE One+ (Gen 2) — Standard nozzle
Read the original manufacturer document ↗Prusa Research · Original Prusa SL1 vs. SL1S Speed | Prusa Knowledge Base
help.prusa3d.com · Global · Facts verified:
Original Prusa SL1S SPEED — Build volume · Original Prusa SL1S SPEED — File transfer · Original Prusa SL1S SPEED — Listed layer-height range · Original Prusa SL1S SPEED — Resin wavelength · Original Prusa SL1S SPEED — Exposure display size and resolution
Read the original manufacturer document ↗Prusa Research · Prusa XL+ Single-Tool | Original Prusa 3D printers directly from Josef Prusa
www.prusa3d.com · Global · Facts verified:
Original Prusa XL+ — Heated-bed layout · Original Prusa XL+ — Build volume · Original Prusa XL+ — Optional chamber configurations · Original Prusa XL+ — Nozzle temperature limit · Original Prusa XL+ — Toolhead configuration
Read the original manufacturer document ↗Prusa Research · Loadcell (MK4/S, MK3.9/S, XL/+) | Prusa Knowledge Base
help.prusa3d.com · Global · Facts verified:
Loadcell — calibration · Testing the loadcell
Read the original manufacturer document ↗