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Firmware 3.6.0-RC1 for Original Prusa i3 MK2.5S & MK2.5  

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Jakub Dolezal
(@jakub-dolezal-2)
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Firmware 3.6.0-RC1 for Original Prusa i3 MK2.5S & MK2.5

UPDATE: Final version is out https://shop.prusa3d.com/forum/general-discussion-announcements-and-releases-f40/firmware-3-6-0-final-for-original-prusa-i3-mk2-5s--t28161.html

WARNING: Note that MK3S, MK3, MK2.5 and MK2.5 are different printers! Each has its own firmware file!!!

Hi guys,
this is an upgrade of the firmware for the Original Prusa i3 printer. Keep in mind this a release candidate (testing version) for experienced users 😎

What is new?
-> Initial version for MK3S and MK2.5S printers with MMU2 unit
-> Smarter load to nozzle/unload/eject function for multi material printers and single material version improved
-> Stop print during filament change fixed

Initial version for MK3S and MK2.5S printers with MMU2 unit
This the first firmware to support MK3S/MK2.5S printer with MMU2 unit. This combination of hardware is officially called MK3S MMU2S or MK2.5S MMU2S.

Smarter load to nozzle/unload/eject function for multi material printers and single material version improved
This feature has been recently added to firmware in 3.5.2-RC1 version, but this initial version has been working only for single material printers (without MMU2 connected). In this firmware version, it has been extended to provide similar function also for multi material printers. We also decided to change function slightly to make it more useful for most users. When a user chooses to load filament (for example) with the cold nozzle for example, preheat menu appears and both nozzle and heatbed are preheated (to save some time later when starting a print) and printer waits for the nozzle to preheat close to the target temperature (5% below target). When preheating is finished, printer beeps and the user can start loading filament. Target temperature remains the same after the load is finished as we assume that most load/unload scenarios precede starting new print.

Stop print during filament change fixed
When stopping print during the T-code execution nozzle could crash into wiping tower. This has been fixed.
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Supported printers:
Original Prusa i3 MK3S MMU2S
Original Prusa i3 MK3S
Original Prusa i3 MK3 MMU2
Original Prusa i3 MK3

Original Prusa i3 MK2.5S MMU2S
Original Prusa i3 MK2.5S
Original Prusa i3 MK2.5 MMU2
Original Prusa i3 MK2.5

Download link:
https://github.com/prusa3d/Prusa-Firmware/releases/tag/v3.6.0-RC1

Firmware flashing guide:
https://manual.prusa3d.com/Guide/Upgrading+the+firmware+v1.5/66

Please report any bug here:
https://github.com/prusa3d/Prusa-Firmware/issues

As always, we wish you happy printing and look forward to your feedback!

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Posted : 26/02/2019 7:41 am
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