All red leds flashing means that there is something under the FINDA - most likely a string of filament. Once removed, the MMU should act normally again.
All red leds flashing means that there is something under the FINDA - most likely a string of filament. Once removed, the MMU should act normally again.
List of parts for MMU2S to MMU3 upgrades
The main cable to use is the MMU3-to-xBuddy main cable.
:) Reply David • over 4 years ago Hey! Thanks for the tip. You can prepare the G-codes for PET-G yourself, it is fairly easy!
Simply move the layer preview slider to desired color change height, click on the orange plus icon and select for which extruder you wish to add the color change. All extruders…
Factory reset (MMU2S pre firmware 1.0.6)
It is not necessary anymore to observe or wait for the initialization sequence. You can find out your firmware version number by navigating to LCD menu -> Support and scrolling…
Original Prusa i3 MK3/MK2.5 to MMU2 v1.01
Original Prusa i3 MK3/MK2.5 to MMU2 v1.01 | Prusa Knowledge Base English Login Prusa Research as 3D printers Materials Parts & Accessories Software 3D Models Industries Community…
Firmware updating (MMU2S) | Prusa Knowledge Base English Login Prusa Research as 3D printers Materials Parts & Accessories Software 3D Models Industries Community Help Academy…
See our complete article, MMU2S Selector not moving. All five red and green LEDs blinking The MMu2S unit can detect if the stepper drivers are not able to provide enough power…
Introduction | Preparing the MMU2S upgrade kit 1.
The FINDA sensor should be triggered, meaning the value should be 1. The print is thus paused until the problem is resolved by user intervention followed by a successful load or…
G-code compatibility The MMU3 on MK3S+ or MK3.5 is reverse-compatible with the older MMU2S Slicer profile and G-codes - but not with the MK3 + MMU2 profiles!
Original Prusa i3 MK3/MK2.5 to MMU2 v1.01
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Original Prusa MMU2S - Firmware & Downloads
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Idler cannot home #04125 (MMU)
Verify all the bearings can move freely and that the center shaft at the end is inserted into the Idler properly. In case you are using the older MMU2S unit, check the MMU idler…
Prusa firmware-specific G-code commands
See Internal Prusa commands. G99 - Deactivate farm mode G99: Deactivate farm mode Disables Prusa-specific Farm functions and g-code.
I have MK2.5 and do not know if final GCode for MK3 MMU2 will be same as for MK2.5 MMU2.'''
Please make them writable, with that limited values tweaking for more speed is ridiculous.
IR filament sensor calibration (MMU3, MMU2S)
The IR sensor board must be perpendicular to the lever. In case the sensor keeps showing 1 even though the chimney is pushed all the way to the left, you first should make sure…
Firmware updating issues (MK2.5S/MK3S+/MMU2S/MMU3)
Please see the avrdude log below.”, click the “Advanced: Output log” button to see the full flashing log. This log can provide more information about the reason for the failure.
Original Prusa MMU2S Changelog
Original Prusa MMU2S Changelog | Prusa Knowledge Base English Login Prusa Research as 3D printers Materials Parts & Accessories Software 3D Models Industries Community Help Academy…
Original Prusa MMU2S | Prusa Knowledge Base English Login Prusa Research as 3D printers Materials Parts & Accessories Software 3D Models Industries Community Help Academy Blog…
Prusa used to offer a free MMU3 upgrade voucher to the users having this issue persisting, till the end of the last year.
Logging data over serial line (MMU2S)
When prompted for “BaudRate”, enter “115200” and hit Enter. After that, the script will start showing the communication between the printer and the MMU2S unit. It will also start…
The MMU2S kit alone will miss some of the important components for the MMU3 such as the Idler coupler, ferromagnetic ball for the selector, magnet for the selector, 2.5mm ID PTFE…
⬢ MMU2 for MK2.5 and MK3 (2018-2019) Five filaments feeding one direct-drive extruder. ⬢ MMU2S for MK2.5S, MK3S, MK3S+ (2019-2023) Introduced a chimney on the extruder with the…
MMU2S idler unable to move freely
All 5 filaments have to be loaded to the hobbed pulleys position. Then move with the selector to the far right (5th filament position) and back and observe. If you hear clicking,…
Try to re-tighten the fork connectors at the Einsy. Check if there isn't a mechanical obstruction that would prevent the selector from moving.
Keep the left side button pressed for a few seconds. You will see the LEDs on the MMU flashing quickly in a "snake" motion. Release the MMU left-side button. As soon as you release…
Original Prusa i3 to MMU2S upgrade
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Welcome Step 1 of 1 (Chapter 1 of 1) Fullscreen mode Contents Comments ⬢Welcome to the tutorial how to upgrade your Original Prusa i3 MK3 to MMU2.