Original Prusa MK4S is listed in the Prusa Research 3D printer catalog. This page separates documented specifications from scoped compatibility rules, so an unlisted combination stays unverified.
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Before you rely on a result
A documented product or fit statement is only as specific as its source. Match the exact model, installed hotend, revision, and required adapter before acting.
Exact identification
Catalog ID: prusa-mk4s. Manufacturer: Prusa Research. Model or part number: Original Prusa MK4S.
Manufacturer-recorded specifications
Values below are only fields recorded from the linked manufacturer material. A missing value means the source set did not establish it; it does not imply zero or no limit.
| Specification | Documented value |
|---|---|
| Model code | Original Prusa MK4S |
| Filament diameter | 1.75 mm |
| Maximum nozzle temperature | 290 °C |
| Maximum bed temperature | 120 °C |
| Enclosure | open |
| Build volume | x: 250, y: 210, z: 220 mm |
| Default nozzle diameter | 0.4 mm |
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Revision and installed hotend
No separate revision is recorded here. Check the label on your machine and the currently installed hotend before ordering.
Cataloged hotend family: Prusa Nextruder. This does not identify an aftermarket modification.
Documented relationships
Showing 20 of 20 linked rules. The checker can inspect an exact pair and source. A verified rule may still require its listed conditions.
| Related item | Source status | Fit axis | Conditions and exclusions |
|---|---|---|---|
| Brass Prusa Nextruder Nozzles — 0.25mm | CONDITIONAL | nozzle to printer | Use the exact stock interface/revision named by the manufacturer; a modified hotend may require a different nozzle.; Select and calibrate the matching nozzle diameter in the slicer.; Excludes: INDX conversions and other unlisted aftermarket hotend changes are outside this stock-configuration fit unless expressly specified. |
| Brass Prusa Nextruder Nozzles — 0.4mm | CONDITIONAL | nozzle to printer | Use the exact stock interface/revision named by the manufacturer; a modified hotend may require a different nozzle.; Select and calibrate the matching nozzle diameter in the slicer.; Excludes: INDX conversions and other unlisted aftermarket hotend changes are outside this stock-configuration fit unless expressly specified. |
| Brass Prusa Nextruder Nozzles — 0.6mm | CONDITIONAL | nozzle to printer | Use the exact stock interface/revision named by the manufacturer; a modified hotend may require a different nozzle.; Select and calibrate the matching nozzle diameter in the slicer.; Excludes: INDX conversions and other unlisted aftermarket hotend changes are outside this stock-configuration fit unless expressly specified. |
| Brass Prusa Nextruder Nozzles — 0.8mm | CONDITIONAL | nozzle to printer | Use the exact stock interface/revision named by the manufacturer; a modified hotend may require a different nozzle.; Select and calibrate the matching nozzle diameter in the slicer.; Excludes: INDX conversions and other unlisted aftermarket hotend changes are outside this stock-configuration fit unless expressly specified. |
| Brass High Flow Prusa Nextruder Nozzles — 0.4mm | CONDITIONAL | nozzle to printer | Use the exact stock interface/revision named by the manufacturer; a modified hotend may require a different nozzle.; Select and calibrate the matching nozzle diameter in the slicer.; Excludes: INDX conversions and other unlisted aftermarket hotend changes are outside this stock-configuration fit unless expressly specified. |
| Brass High Flow Prusa Nextruder Nozzles — 0.6mm | CONDITIONAL | nozzle to printer | Use the exact stock interface/revision named by the manufacturer; a modified hotend may require a different nozzle.; Select and calibrate the matching nozzle diameter in the slicer.; Excludes: INDX conversions and other unlisted aftermarket hotend changes are outside this stock-configuration fit unless expressly specified. |
| Brass High Flow Prusa Nextruder Nozzles — 0.8mm | CONDITIONAL | nozzle to printer | Use the exact stock interface/revision named by the manufacturer; a modified hotend may require a different nozzle.; Select and calibrate the matching nozzle diameter in the slicer.; Excludes: INDX conversions and other unlisted aftermarket hotend changes are outside this stock-configuration fit unless expressly specified. |
| ObXidian® Prusa Nextruder Nozzles — 0.4mm | CONDITIONAL | nozzle to printer | Use the exact stock interface/revision named by the manufacturer; a modified hotend may require a different nozzle.; Select and calibrate the matching nozzle diameter in the slicer.; Excludes: INDX conversions and other unlisted aftermarket hotend changes are outside this stock-configuration fit unless expressly specified. |
| ObXidian® Prusa Nextruder Nozzles — 0.6mm | CONDITIONAL | nozzle to printer | Use the exact stock interface/revision named by the manufacturer; a modified hotend may require a different nozzle.; Select and calibrate the matching nozzle diameter in the slicer.; Excludes: INDX conversions and other unlisted aftermarket hotend changes are outside this stock-configuration fit unless expressly specified. |
| ObXidian® High Flow Prusa Nextruder Nozzles — 0.4mm | CONDITIONAL | nozzle to printer | Use the exact stock interface/revision named by the manufacturer; a modified hotend may require a different nozzle.; Select and calibrate the matching nozzle diameter in the slicer.; Excludes: INDX conversions and other unlisted aftermarket hotend changes are outside this stock-configuration fit unless expressly specified. |
| ObXidian® High Flow Prusa Nextruder Nozzles — 0.6mm | CONDITIONAL | nozzle to printer | Use the exact stock interface/revision named by the manufacturer; a modified hotend may require a different nozzle.; Select and calibrate the matching nozzle diameter in the slicer.; Excludes: INDX conversions and other unlisted aftermarket hotend changes are outside this stock-configuration fit unless expressly specified. |
| ObXidian® High Flow Prusa Nextruder Nozzles — 0.8mm | CONDITIONAL | nozzle to printer | Use the exact stock interface/revision named by the manufacturer; a modified hotend may require a different nozzle.; Select and calibrate the matching nozzle diameter in the slicer.; Excludes: INDX conversions and other unlisted aftermarket hotend changes are outside this stock-configuration fit unless expressly specified. |
| Nextruder Hotend brass - 0.40 mm | CONDITIONAL | hotend to printer | Printer must use the Nextruder configuration, not an INDX conversion.; Follow the exact printer-specific installation instructions; heater/sensor wiring and firmware remain part of the required setup.; Excludes: INDX conversions and other unlisted aftermarket hotend changes are outside this stock-configuration fit unless expressly specified. |
| Nextruder Hotend brass High Flow - 0.40 mm | CONDITIONAL | hotend to printer | Printer must use the Nextruder configuration, not an INDX conversion.; Follow the exact printer-specific installation instructions; heater/sensor wiring and firmware remain part of the required setup.; Excludes: INDX conversions and other unlisted aftermarket hotend changes are outside this stock-configuration fit unless expressly specified. |
| HT Hotend Upgrade (for CORE One/+ and CORE One L/+) | INCOMPATIBLE | hotend to printer | Check source scope before installing. |
| Nextruder V6 Nozzle Adapter | CONDITIONAL | part to printer | Nextruder-equipped configuration only; follow the specified installation guide.; Excludes: INDX conversions and other unlisted aftermarket hotend changes are outside this stock-configuration fit unless expressly specified. |
| Original Prusa MMU3 | CONDITIONAL | feeder to printer | Use the correct printer-specific MMU3 kit, wiring harness, buffer and extruder modification.; Use matched printer/MMU firmware and the correct printer/MMU PrusaSlicer profile. |
| Prusament PLA High Speed | CONDITIONAL | filament to printer | Use the manufacturer profile matching this exact printer, installed nozzle and material; observe drying, sheet and chamber requirements.; The material temperature range does not override the printer/hotend/bed limits. |
| Prusament PC Space Grade | CONDITIONAL | filament to printer | Use the manufacturer profile matching this exact printer, installed nozzle and material; observe drying, sheet and chamber requirements.; The material temperature range does not override the printer/hotend/bed limits. |
| Prusament PETG Ultraglow | CONDITIONAL | filament to printer | Use the manufacturer profile matching this exact printer, installed nozzle and material; observe drying, sheet and chamber requirements.; The material temperature range does not override the printer/hotend/bed limits. |
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Manufacturer sources
Links document the stated identity, specifications, or scoped relations. They do not represent hands-on testing by this site.
- Prusa Research — Original Prusa MK4S 3D Printer | Original Prusa 3D printers directly from Josef Prusa checked 2026-10-30; global
- Prusa Research — 1.75 mm - Glossary | Prusa Knowledge Base checked 2026-10-30; global
- E3D — Brass Prusa Nextruder Nozzles checked 2026-10-30; global
- E3D — Brass High Flow Prusa Nextruder Nozzles checked 2026-10-30; global
- E3D — ObXidian® Prusa Nextruder Nozzles checked 2026-10-30; global
- E3D — ObXidian® High Flow Prusa Nextruder Nozzles checked 2026-10-30; global
- Prusa Research — Nextruder Hotend brass - 0.40 mm | Original Prusa 3D printers directly from Josef Prusa checked 2026-10-30; global
- Prusa Research — Nextruder Hotend brass High Flow - 0.40 mm | Original Prusa 3D printers directly from Josef Prusa checked 2026-10-30; global
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