Setting up SimplyPrint: Direct Prusa Firmware method

Follow the steps for the Direct Prusa Firmware setup.

Back to Setup methods
  • 1 Supported printers
  • 2 Select printer
  • 3 Flash firmware
  • 4 Set up
Prusa integration printers

Set up Prusa CORE One, CORE One L, MK4S, MK4, XL, MK3.9, MK3.5, Mini+, Mini, MK4 JobOx, Mini JobOx / new Prusa mainboards directly with SimplyPrint - no Raspberry Pi, OctoPrint, or other external hardware required!

Compatible Prusa printers;

  • CORE One
  • CORE One L
  • MK4S
  • MK4
  • XL
  • MK3.9
  • MK3.5
  • Mini+
  • Mini
  • MK4 JobOx
  • Mini JobOx

Got an old Prusa printer with an old mainboard? No problem! You can still use SimplyPrint! All Prusa printers are OctoPrint-compatible, so simply go back and pick the OctoPrint setup.

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Thousands complete this setup every week. Follow each step carefully - most issues come from skipping ahead.

Why some setups are tricky: Some manufacturers lock down their printers, requiring workarounds like custom firmware. If hardware is listed as required, there's no shortcut.

About support: Direct setup support is available for Enterprise & School plans. Our AI support bot can help everyone else just as effectively.

Community help: Join our Discord for community support and tips from other users.

Markdown version of this guide - paste into any AI assistant

That's it! You're all set

You're now ready to connect your printer and start using SimplyPrint.

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What works with this connection method

Which SimplyPrint features work when a printer connects this way. Some depend on the printer model; each printer's compatibility page has its own table.

Feature Prusa direct firmware
Monitoring
Live status and progress Yes
Webcam Not offered by the printer 1
AI failure detection Not offered by the printer 1
Time left Yes
Layer progress Yes
Temperatures Yes
Printing
Starting a print Yes
Pause, resume and cancel Yes
Skip objects Yes
Files
Print sliced 3MF files Depends 2
Print binary G-code (.bgcode) Depends 3
Printer control
Change temperatures Yes
Moving with the controls Yes
Homing Yes
Extrude and retract Yes
Change print speed Yes
Fan speed Yes
Baby stepping Yes
Send G-code Yes
Calibration
Change filament Yes
Bed leveling Yes
Z-Offset Calibration No
Multi-material
Sync loaded filament from the multi-material unit Yes 4
Automation
AutoPrint Pro Yes
Download the file before the print starts Yes

Prusa direct firmware

Monitoring

  • Live status and progress Yes
  • Webcam Not offered by the printer 1
  • AI failure detection Not offered by the printer 1
  • Time left Yes
  • Layer progress Yes
  • Temperatures Yes

Printing

  • Starting a print Yes
  • Pause, resume and cancel Yes
  • Skip objects Yes

Files

  • Print sliced 3MF files Depends 2
  • Print binary G-code (.bgcode) Depends 3

Printer control

  • Change temperatures Yes
  • Moving with the controls Yes
  • Homing Yes
  • Extrude and retract Yes
  • Change print speed Yes
  • Fan speed Yes
  • Baby stepping Yes
  • Send G-code Yes

Calibration

  • Change filament Yes
  • Bed leveling Yes
  • Z-Offset Calibration No

Multi-material

  • Sync loaded filament from the multi-material unit Yes 4

Automation

  • AutoPrint Pro Yes
  • Download the file before the print starts Yes

Works Depends Not supported Not offered by the printer

  1. The printer doesn't offer this to other software.
  2. Depends on the printer model
  3. Requires firmware 5.2.0 or newer
  4. Needs a multi-material unit