Update Prusa i3 MK3S+ firmware from OctoPi using the OctoPrint-FirmwareUpdater Plugin

Step for step instructions to update the firmware of the Prusa i3 MK3S+ using OctoPrint and the FirmwareUpdater Plugin.

Installation (only once)

1. Install FirmwareUpdater Plugin

   • Go to octopi.local > Settings > Pluginmanager > search for FirmwareUpdater > install
   • Link to Plugin: https://github.com/OctoPrint/OctoPrint-FirmwareUpdater

2. Install avrdude on the RaspberryPi, which is used for flashing

   • ssh into octopi e.g. ssh pi@octopi.local
   • install avrdude sudo apt install avrdude

3. Set FirmwareUpdater Plugin Settings

   • Settings > Plugins > open FirmwareUpdater Plugin
   • Click wrench on top right

   • Set following settings:

     • Flash method: avrdude (Atmel AVR Family)
     • AVR MCU: ATmega2560
     • Path to avrdude: /usr/bin/avrdude (we installed it in step 2)
     • AVR Programmer Type: wiring

Update firmware

1. Check firmware on your printer: Menu > support
2. Download latest Firmware: https://www.prusa3d.com/drivers/
3. extract .hex file from downloaded zip
4. Open FirmwareUpdater Plugin
5. ...from file > Browse > and select .hexfile
6. click Flash from file - and wait ...
7. Done - check firmware again on your printer under Menu > support