Mmu2s homing. My MMU2s started playing up, it refused to home the idler.

Mmu2s homing Notifications Clear all MMU2 Homing Issue Ostatni Post RSS pokeimon (@pokeimon) New Member. 6) Factory reset (SL1/SL1S) Failed to read the configuration file #10505 (SL1) Failing Z calibration (MK3S/MK2. Běžné problémy s aktualizací & flashováním Jiný kabel a USB port xBuddy connection. If the selector is off by even a slight amount it will cause failures. , Gesellschaft gegründet von Josef Prusa, einem der RepRap-Kernentwickler. RE: Idler cannot home deadlock ! I'm having the same issue with MK2. RE: MMU2S not Selecting. 6 and it seems to work again. Posted : 15/11/2018 Original Prusa i3 MMU2 & MMU2S. 5S printers. Für den MK2. So, I just installed 1. Attach the belt tensioner on the top belt on the X-axis, and check where the pointer is. After the insane clicking the lcd read idler cannot home prusa. 2 of TZB MMU2S Firmware for use with the below listed 3D Printers & MMU2S in combination. The lights flash and it cycles through the selections. Firmware 3. Top. My route as a mechanical engineer was to eliminate the over Das . I'd been thinking of doing the upgrade to an MMU3 anyway and I noticed the improvements to the coupling area so I thought what the heck! In this video we will see how I edited the homing code in order to avoid any conflicts between the idler homing and the other axis homing. MK2. MMU firmware. I also updated the RE: File incomplete. The only recurring problem is this strange random behavior of the homing function for the selector. 5 as per enclosure post for MK3 such as off-boarding power supply and minimum MMU selector not homing properly. Sprzedajemy drukarki 3D Original Prusa (wliczając w to Prusa MK4, Prusa XL), filamenty In case the filament is stuck between the MMU unit and the extruder, remove the PTFE tube from the FESTO fitting. You can always check the proper functioning of the sensor by inserting a piece of filament and observing the red light on top of the sensor. MMU2S. Wasn't sold on MMU1, am more interested in MMU2. ⬢ Turn the MMU2S unit RE: Strange noise from MMU2s. Posted : 16/05/2023 8:51 am All forum topics. I restart the printer to MMU2S users have reported that, despite careful hardware inspection, some units struggle to home the Idler reliably. When loading or unloading a filament, the bearing moves to a position which does not Information from the data logged via serial line can be useful when doing advanced troubleshooting with your MMU2S unit or for providing it to Customer support when requested. Milestone. I was able to flash the firmware successfully on As you can see, there are five main LEDs on the MMU2 unit. The MMU3 utilizes new firmware for both the printer and the MMU unit. Themen: 2,437 | Beiträge: 17. 6 or below behaves differently. Notifiche . 0 / 1. Ein Zurücksetzen der MMU2S mit dem Reset-Knopf an der Seite des Geräts reicht in der Regel aus. Notifications Clear all MMU2 knocking on startup Last Post RSS Steve (@steve-6) Estimable Member. Also that the motor mount was not perfectly square to the Idler housing centerline. I’m having difficulty trying to get it to work. For MK2. When attempting E-shop společnosti Prusa Research a. Even though in the MMU FW 3. Benachrichtigungen . I use the MMU2S every day and my printer would feel lamed without it. Simply follow these 3 steps below: Press and release the reset button marked X and positioned under the control knob on Applies to MMU2/S only. If the selector of your MMU2S upgrade is not moving smoothly, or if it cannot reach a certain position, the cause is usually one of the following issues: The selector blade is loose The blade that is supposed to cut the filament strings was not attached properly or MMU2s Idler Barrel Removal. Check the motor connections on the board. 5 + MMU homing hotfix: Selector position after homing is now more accurate on MK2. Auf der rechten Seite der MMU-Einheit befindet sich ein Reset-Knopf. 1 mm to 0. Information from the data logged via serial line can be useful when doing advanced troubleshooting with your MMU2S unit or for providing it T?-Tx: MMU2 Special Commands; M111 - Debug Level hosts Report and optionally set the debug flags. In this video we will see how I edited the homing code in order to avoid any conflicts between the idler homing and the other axis homing. Today I observed several folks reporting on Facebook they have been experiencing error message on MK3 screen about Idler RE: New MMU3 firmware upgrade on MK3S+ with MMU2S. In my case, I had to back the firmware on the MMU2S and the MK3S+ out to the old firmware, since the current firmware could not let the unit boot past the homing cycle, and neither of the fixes offered up did anything to resolve the issue. I assembled it and connected it to my printer. zip-Paket enthält eine MK3S+MMU2S-Firmware-Datei, alle möglichen MK2. I saw multiple things about the MMU3 firmware being not sensitive/too sensitive with the MMU2 hardware in some cases when it came to homing. zip package contains one MK3S+MMU2S firmware file, all possible MK2. I had similar homing failures until I wedged one of my rods in place with a scrap of filament. This is now fixed. I found that the motorshaft and Idlerdrum cannot be perfectly aligned. Is this usual behaviour when I turn the MK3 power on? It makes this noise twice during the initialisation routine. You get a kind of fast load to get the filament close to the extruder and then it is Re: The most important links - Original Prusa i3 MK3 Multi Material. General Discussion. I was told by Prusa support that due to the huge changes in the firmware, it would be better to do a complete FACTORY RESET of the printer just after the flash. Create. M111 [S<flags>] MMU2 Homing Issue . The MMU itself is powered, the connection to the board of Printer type - MK3S Printer firmware version- 3. First, check the idler screws' It seems to be having an issue with homing the idler body. I loads up to the nozzle and just doesn't stop. On the MMU unit, hold the left side button and reset Fewer unnecessary movements (idler homing is just two hits instead of like 20). 3 K General discussion, announcements and releases Assembly and first prints troubleshooting How do I print this? (Printing help) Eventually I ran the wizard and created the Prusa sanctioned MMU2 config, sliced with that and had immediate perfection! Not sure this applies to you, but it is worth a shot. The homing is now considerably more silent. I am at "flush with the printed part plus a 360° turn" right now. 2 and 1. MMU Filament Selector Stepper Motor Grinding During Homing Last Post RSS Homing error Z #26301 (MK4S) #13301 (MK4) #21301 (MK3. 0 do an strange rattle noise and can´t reach the homing Position for the Idler. Everything else on my MK3s / MMU2s works super. Not sure what it does exactly, as the MMU is still homing (I X axis homing issues (MK3S) I have a MK3S for roughly 6 months now, and have had a great time with it so far. 0 there has always been an option to tweak the Idler’s homing sensitivity (StallGuard threshold), some users had When I press the right button on the MMU afterwards (after the homing procedure stopped) it starts the (correct) homing procedure: homing the idler and then homing the selector. Idler bearings MMU2S is a clever engineer idea at the beginning that miserably fails in practice. Previously, the print would initialize normally: after calibrate as purge begins, extruder would park and user is prompted for which filament to load; in 3. During the regular MMU operation: GREEN solid light: The MMU has a record of the given filament being loaded in the extruder. I had the homing problem in #4285 and tried to factory reset the MMU to solve it. Překontrolujte signální kabel a napájecí kabel MMU2S, zda nejsou poškozené a zkontrolujte také, zda jsou správně připojeny k ovládací desce MMU2S a Einsy desce tiskárny. So the solution I found that works is to declare the tmc 2209 FIRST and the define the parameters as such homing_retract_dist: 0. 5 for the MMU2S and MMU2 unit. Ověřte správné připojení senzoru filamentu k desce Einsy. The selector does not move at all when I power on the printer/MMU. Firmware 1. I use Hatchbox PLA. I already contact the prusa support by mail but they didn't solve my issue, so maybe other users had the same issue and can help me. I recently purchased a 3rd party MMU2S kit on Ali Express. 6) Tovární nastavení (SL1/SL1S) Nelze načíst konfigurační soubor #10505 (SL1) Chyba kalibrace osy Z (MK3S/MK2. Next 1. Repeat the test for the bottom belt on the X-axis. 5S+MMU2S a jeden MMU firmware soubor. Wenn Sie die Original Prusa MMU2S oder MMU3 im MK3S/+ oder MK3. Locked post. Since it's the MMU2S, it doesn't require this calibration manually anymore (unless you're using a non-standard Bowden PTFE tube, maybe). 6 oder höher in der MMU2S-Einheit installiert ist. Best. Für den MK3S/+ verwenden Sie bitte diesen Schritt. The MMU3 unit brings significant hardware changes and includes MMU firmware The MMU3 utilizes RE: MMU2S filament tips on unload I would love to hear the solution to this. Klipper took the changes and verified endstop working. How to fix it? The selector might not move due to obstacles, debris, or remaining If your Original Prusa Multi Material idler barrel has some issues moving, makes clicking noises, or gives the error #04125 Idler cannot home, something is preventing the full movement of the idler barrel. Hello! I have the MMU2 for more then a month and it has been doing good, now recently I have ran into an intermittent issue which I believe is an issue. I started having load errors during selecting the single mode filament, and almost uninstalled the MMU completely, before I finally decided to get Factory reset (MMU2S pre firmware 1. Th As discussed in Github #4285 the MMU2S suffered idler homing problems. Downgraded both the printer and the MMU2 back to 3. Interesting and a very good tip. Previously my MMU2S would always stop at least once during the print, usually more. [MMU2S] Selector issue. My MMU2s started playing up, it refused to home the idler. 5S gehen Is there anybody here who has been able to run the MMU2s with SKR Mini E3 v3 board? Watched all of Chris Riley’s videos about MMU2s MMU2s starts, but I keep getting “MMU not responding - DISABLED” message and all the lights of the MMU board turns off then. I have a PRUSA Assembled MK3S+MMU2S. Hello, I have some trouble with my MMU2S kit. Last updated a year ago. 7. Filament loaded as expected and now heating up. Their arrangement corresponds to the arrangement of the 5 PTFE tubes and Tovární nastavení (MMU2S před firmwarem 1. MMU2 Homing Issue . Prodáváme 3D tiskárny Original Prusa (včetně Prusa MK4 a Prusa XL), filamenty (zejména náš vlastní Prusament), MMU2 Homing Issue Hello! I have the MMU2 for more then a month and it has been doing good, now recently I have ran into an intermittent issue which I believe is an issue. On the right side of the MMU unit, there is a reset button. To ensure the best possible experience when working with the printer and the MMU2S, it is necessary to always use the latest firmware. The SW people were looking for solutions while changing sensitivity values. The following message will be displayed on the LCD: “MMU needs user MMU2 Homing Issue . Inproper homing is mainly related to some obstacles on the head homing jorney like faulty bearings - try to move it manualy when printer switched off if the the movement is smooth without increased jerks. I just completed the upgrade to MMU3 (re-flashed firmware 3. Strangely, the printer doesn't seem to recognize this and after some useless Eshop by Prusa Research a. 2! It is necessary to update the firmware in the MMU2S/MMU3! Fixed Ghost layer shifts. Ever since the new firmware I've already had multiple multi-color prints print flawlessly with no Hey, I have the problem that the MMU3 (Ultimulti) with the firmware >= 3. I tried again and SAME Still have questions? If you have a question about something that isn't covered here, check out our additional resources. Contact us In case you are using the older MMU2S unit, check the MMU idler unable to move freely article. Would be interested in seeing your killer configs as getting my existing Mmu2s up and running is the only thing stopping me switching to killer from marlin Printer type -MK3S+ Printer firmware version - 3. So much so, I bought a 2nd MK3S+ without an MMU so I can do TPU projects too (which is tricky to do with the MMU). I upgraded to latest firmwares for both the printer and the MMU, and now I get the "tune" option, but still homing fails in all settings. Need to get the blasted thing out so I can print another and repair the thing. 8. Wouldn't it be possible to postpone the homing right close to the printing process or when pressing one of the 3 buttons? This isn't on our to-do list for 3. Pokud chcete získat protokol, připojte tiskárnu k počítači se systémem Windows nebo RPi/Linux. I have even removed the selector motor and powered on the unit to see what happens with the motor and it seems to false flag "hitting the wall" for homing. Is there any way to find out why it does not home the selector when powering on? Upon turning on the printer and the MMU2 attempts to home but the steppers struggle to home, especially evident on the Finda-Selector assembly. To find the perfect tension, tighten the screw about 0. MMU Upgrade - MMU2S MMU upgrade firmware version - 1. Same thing for home Y. Occasionally my MMU2 selector bearing will get confused about its position. Sensorless homing problem SKR mini E3 V3 "Combinations of older hardware like MMU2S with MK3S or MK2. MMU2S works amazingly well after the upgrade. same for the homing procedure which first goes to the right About Press Copyright Contact us Creators Advertise Developers Terms Privacy Press Copyright Contact us Creators Advertise Developers Terms Privacy Factory reset (MMU2S pre firmware 1. Just a homing of the MMU2S from time to time, usually when I abort a print. Hardware, firmware and software help. pull out A factory reset can be used during troubleshooting to wipe configuration, calibration, and statistics data from your printer's memory. Sollten Sie jedoch auf anhaltende Probleme stoßen, haben wir eine Checkliste zusammengestellt, was Sie unbedingt überprüfen sollten. I've messed with temps, cooling moves, unloading speeds, etc. Hello, My idler barrel / drum has cracked. 0 (or higher), or when you find a severe issue with the MMU, you might need to perform a factory reset. So, I have done it, and I discovered that now the printer fails the If they can slide it can dampen the impact enough to cause homing to fail. This article is also available in following languages: What happened? Before it can align with any of the filament positions, the selector on the MMU unit needs to be “homed” to determine its position. Never got a multi-color print to go all the way without intervention. If your MMU2S print encounters an issue it will stop mid-print and one or more of the LEDs will be blinking red. Today I started having a new issue (after completing a successful single color print): the selector doesn't seem to be homing properly. Just started a new single filament print: No reset of the printer just homing the MMU2S after a fresh start of the printer. Avisos . 5S and MMU2S. I tore it down again, nothing is binding, and after replacing the parts 3 times I didn't expect it to. Thejiral, Thanks for the interest. I have applied the update successfully and I am printing with it right now. Open comment sort options. 5S with the latest firmware (3. If the selector of your MMU2S upgrade is not moving smoothly, or if it cannot reach a certain position, the cause is usually one of the following issues: The selector blade is loose The blade that is supposed to cut the filament strings was not attached properly or Faulty sensor. Vaciar todo. My MK3 with MMU2 (3. And I was not able to update the MMU firmware with neither Windows, Linux or MacOS. I am seeing the same. 6. 5S) Fan failure #10106 (SL1/SL1S) Fan warning #10713 (SL1/SL1S) Filament failed to unload (MINI/MINI+) Filament Not Loading; Filament not loading (MK4/S, MK3. New comments cannot be posted. Got a lot of rattle at startup after flashing with MMU3_3_0_1 and no MMU visible (N/A) at the screen. PRO MMU2S - Pokud je signální kabel zapojen do jednotky MMU2S špatně, můžete mít s flashováním problémy. leptun commented Sep 11, 2019. SD card or USB/Octoprint - SD CARD. ; In case the issue continues to happen over multiple Obvykle postačí resetovat MMU2S pomocí tlačítka reset na straně jednotky. 3-7864) that had a working MMU2S. But indeed it's the homing of the idler. Change the sensitivity (4-7) in the threshold menu do nothing, same prob again. In case the Selector can't find the first homing endstop, or the distance between the endstops differs from the expected value, the printer will show this error. ) 64: Reserved: Reserved for future usage: 128: Reserved: Reserved for future usage: Usage. I’d like to sync the manual_stepper on the MMU2 to the extruder while it’s loading filament from the MMU2 to the extruder. Sie können ihn mit einem Innensechskantschlüssel oder einem ähnlich dünnen, harten Gegenstand drücken. 0 and 3. Make sure that the motor connector is not loose, and that the MMU2S, firmware 3. Failures happen much more quickly - no grinding filament for 90 seconds when trying to unload and its obviously stuck. What I see Original Prusa i3 MMU2 & MMU2S. I would be grateful for a hint that can help to find a solution. -When pressed the MMU2S seems to be doing a homing sequence electronically. I have had a lot of issues with the selector homing and usually things going wrong as it bangs itself against the right most side. If it passes, then the idler cover is too tight. About Press Copyright Contact us Creators Advertise Developers Terms Privacy Press Copyright Contact us Creators Advertise Developers Terms Privacy Original Prusa MMU2S Handbook - all you need to know about 3D printing at one place. 1. Ewald_Ikemann September 20, 2019, 11:47am 13. zip obsahuje jeden firmware soubor pro MK3S+MMU2S, všechny dostupné firmware soubory pro MK2. 5S) You can try completely loosening the tension screws, and allow the MMU to finish the homing. 9) What happened For MK3S MMU2S the idler holding current values are the same for Stealth and Normal mode. While the MMU2S unit is turned upside down, be EXTRA careful with the SuperFINDA cable, which can get broken, if you tilt the unit on the SuperFINDA sensor. All was working, until I loaded the latest firmware 3. Although MMU Firmware 3. Idler parts preparation, 4. English en. Reply reply [deleted] • Thanks! But the bondtech axis on the MMU2S are turning, while it's trying to feed, right? Maybe try increasing the idler tension. MMU2S users reported that even after careful checking of their hardware, some units just cannot home the Idler reliably. prusa3d. The text was Soubor . I RE: MMU2S wont load Filament at all. 3D Models Store Clubs Community Contests Brands Events Groups Education Release 4. This induces a variable internal RE: MMU2S firmware update success rate poll. 4 mm under the edge of the hole on both sides of the idler body. Alles löschen. 1 Like. Wir verkaufen Original Prusa 3D-Drucker (inkl. I printed the parts myself and bought all the motors, boards and other parts online. Mine was working, then the idler stopped homing correctly. Both cannot be connected inline perfectly due to part tolerances and the way they connect. However, about a week ago my printer stopped auto-homing correctly on the x-axis. I You can try completely loosening the tension screws, and allow the MMU to finish the homing. Stringy tips that lead to loading and unloading errors. Then, sometimes the MMU2s pulley motor would shift the filament only about 10 cm towards extruder inside the PTFE tube, followed by pulling it back entirely. 9. It also seems to be trying to home at a very high speed! Anyone else have this happen? Since it's the MMU2S, it doesn't require this calibration manually anymore (unless you're using a non-standard Bowden PTFE tube, maybe). It does this after homing Z, so all that plastic oozed out, smashed against the magnetic bed and covered my extruder, which was really fun to clean. Ensure you're running the latest RELEASE and you've checked the Wiki for answers before reporting. s. Mechanically, the MMU does nothing. MMU2 Homing Issue Ultimi post RSS pokeimon (@pokeimon) New Member. Standard I3 mk3s, MMU2S, Prusa Enclosure, Fusion 360, PrusaSlicer, Windows 10 PRUSA MINI+ Prusalink + Prusa Connect. Copy link Collaborator . For that, open the four screws that hold the xBuddy box cover. MMU2 Homing Issue Último Mensaje RSS pokeimon (@pokeimon) New Member. The ideal position of the pointer is in the center area of the belt tensioner, closer to the max mark. It would seem like your rotor that holds the bearings is not quite aligned since they are no longer applying pressure to the filament. MMU2 Homing Issue Letzter Beitrag RSS pokeimon (@pokeimon) New Member. Posted : 01/12/2019 11:23 am Hello all, Quick background I’m trying to run a SKR MINI E3 V3 as a second MCU for a MMU2s. Idler bearings assembly (part 1), 5. To obtain the log you will need to connect the MMU2 N/A. This would allow me to stop the load once the filament sensor detects that the filament has reached MMU2 Homing Issue . New This happens during homing and if I let it go long enough it eventually completes the homing sequence and When enabling MMU2S on SERIAL 3 or 6, the sensorless homing ( X & Y) on a SKR Pro 1. Wenn jedoch alle LEDs gleichzeitig blinken, kann es sich um ein Stromversorgungsproblem handeln: Wenn jedoch alle LEDs gleichzeitig blinken, kann es sich um ein Stromversorgungsproblem handeln: The . MK4, Prusa XL), Filamente If the selector of your MMU2S upgrade is not moving smoothly, or if it cannot reach a certain position, the cause is usually one of the following issues: The selector blade is loose The blade Unfortunately my MMU2S only executes the first part: homing the idler. Letzte Kontrolle vor dem Start & Kalibrierung Montageanleitung durchgelesen haben, sollte alles in Ordnung sein. io/04125. 0 has already offered an option to adjust the Idler's homing sensitivity by modifying Factory reset (MMU2S pre firmware 1. Sklep internetowy prowadzony przez Prusa Research a. Adjusting the It also happens with the optical switch not just with stallguard/sensorless homing and for both X & Y for me. 2, the XY axis currents were incorrectly configured and they were not switched to running currents after homing. Hopefully in any near future, a decent FW for the MMU2 will be published! MMU2s starts, but I keep getting “MMU not responding - DISABLED” message and all the lights of the MMU board turns off then. 12. And if that doesn't do the trick, you can send an inquiry to [email protected] or through the button below. 1 mm I'm puzzled about the fact that it seems that nowhere a real explanation and solution is described. I've had my MMU for a couple weeks now and have had varying degrees of success with multicolor prints (occasional feed issues but for the most part it has worked alright). It's crucial to understand that beginning with MMU firmware 3. After that, MMU2S not recognized by MK3s+ showing "MMU N/A" on LCD. badly shaped filaments with a pointy end that eventually also hangs and reintroduce hair debris that will later also fail. 0, each release aligns with a specific X axis homing issues (MK3S) I have a MK3S for roughly 6 months now, and have had a great time with it so far. You can push it with an Allen key or with This is for use with PRUSA i3 MK3S, MK3S:MMU2S & MK2. MMU2 knocking on startup. My fault. I found that the motorshaft and Idlerdrum cannot b Starting up Prusa MMU2S 12 color ver. I've had to add a usb power adapter to the usb connector on the mmu to get it to stop crashing, but since adding the extra power it has been successfully printing for about 10 hours now. My config, custom CoreXY, custom MMU2, Inspect the extruder to rule out a hardware fault such as misaligned Bondtech gears or Extruder Idler shaft not inserted correctly. 2 after the problem occured) When I power the printer on the printer boots fine, the lights on the MMU3 go To ensure the best possible experience when working with the printer and the MMU2S, it is necessary to always use the latest firmware. MMU2 Homing Issue. Tools necessary for this chapter, 2. I also updated the Firmware 3. During acceleration and deceleration, the current value drops or increases. Describe the bug When starting a print, the first filament load fails most of the Mmu2s selector won’t home, just continually jams against frame Share Sort by: Best. 5+MMU2 setup. show post in topic. Idler versions, 3. 0) should work and will be soon explained in the article about MMU3 firmware compatibility at help. After solving the homing I came to think that maybe the reset problem was because the MMU couldn't start up Contribute to kakou-fr/mmu2_1S_klipper_config development by creating an account on GitHub. Since the upgrade, it has printed multiple materials OK for a few days, but now I'm having issues. Nachdem Sie den Bau Ihres Original Prusa MMU2S Upgrades erfolgreich abgeschlossen und die 8. I’m trying to use a virtual endstop for one of the motors. I noticed that after the idler homes and goes to position saved in eeprom, in some cases (not always) it will skip a step as it switches to StealthChop. You can watch this video at 1080p/60fps. . My printer is the MK3S (not +), and the MMU2S. 5S MMU2S only stealth mode is available. 5) does not recognise the MMU anymore. I’ve tried multiple syntaxes ( _ ) and even renamed the following motor to make it less confusing, I have comm with the motor and can command it where to go I just can’t get You can try completely loosening the tension screws, and allow the MMU to finish the homing. But I don't think it's the firmware, I think it is something in the slicer. After that, . 5S) This is done through the homing process, where the print axes move to a known reference position, called home. 1 the printer just reboots. There are two ways how to perform a factory reset. , and a simple test of homing sequence and selector movement. Between the PIMDA on the MMU and the filament sensor on the extruder, it can figure it out itself. RE: Moving MMU2S outside enclosure and PTFE to Extruder Tube Length. 5S installiert ist. mattr254 May 14, 2022, 8:33pm 6. Prints have been great in PLA, PETG and Nylon. But there are probably still some newcomers, they could use this information. When home X run, it bumps but don't stop. This setup was working few months ago, but since the last bugfix2. In some specific cases, the unit might not be able to find the first homing endstop. Detailed messages for homing, probing, and leveling. Die Kalibrierung des IR-Sensors Informace z dat zaznamenaných přes sériovou linku mohou být užitečné při pokročilém řešení problémů s jednotkou MMU2S nebo mohou být na vyžádání poskytnuty Zákaznická podpora. If anything interrupts the selector positioning OR the filament feed and the MMU *thinks* it's been interrupted, it gets confused and blinks all lights. 1 with TMC2209 fails. 0 I can't make it works. MMU3 Upgrade Problem I have a MK3S (firmware - 3. You can also go to the LCD Menu -> Support -> Sensor info to see the FINDA This firmware version only works correctly with MMU2S/MMU3 firmware version 3. Hey gnat, Do you know how to modify the MMU firmware? I have move the control board outside my enclouse to thermal problems, however, I now have the issue that my custom cable extenders have increased the wire resistance and the homing is not sensitive enough thus I When upgrading the MMU2S firmware from firmware 1. It is homing, and for unknown reasons the inventor decided to do that by letting it ram into the end stop 10 times. 5, now my MMU keeps loading and loading and loading. If I disable MMU2S in the configuration, sensorless homing works again. Hi there, Update for you (and others that might read this): I´ve re-printed the idler body and pulley body and finda selector and blade holder parts with my normal PEI coated Prusa Steelplate. " It's the same behavior as before though. The Original Prusa MMU3 is a direct successor to the Original Prusa MMU2S. 13. If my printer sits idle for a while, if I don't restart it, it will start the print without homing the MMU selector. | Download free 3D printable STL models. In trying to fix that problem, I cracked the idler. Cancella tutti. 11 and newer With this firmware release, we made the Factory reset significantly easier to perform. In addition to the aforementioned noise, when I try to print using the MMU2, I get this error: MMU load failed. This can occur, for example, when using a non-standard motor for the Idler axis. In the printer menu under "Support" the entry for the MMU2 shows the value "N/A". Short summary: In firmware version 3. 5 installiert haben, muss der IR-Filament-Sensor vor dem ersten Gebrauch kalibriert werden, damit er richtig funktioniert. Die gedruckten Teile für den Selektor (mmu2-blade-holder und mmu2-selektor-finda) wurden aktualisiert, um einen besseren Halt der Klinge zu gewährleisten und sind hier zum Herunterladen verfügbar . 5S+MMU2S firmware files, and one MMU firmware file. 6 (or lower) to 3. 5 Initialization procedure MMU2S unit is turned on simultaneously with the printer. Homing error X #17304 (XL) - Prusa Knowledge Base What happened Are you running an original Prussia Mmu2s or a DIY version. Although the original post is almost 2 years old; When I turned on my MMU2S for the first time, I also thought for a moment that something was wrong. Hi, this is a very very weird issue. , firmę założoną przez Josefa Prusę, jednego z głównych developerów RepRap. While all the culprits mentioned will cause this blinking issue, the selector being interrupted is the one I see the most. Any issues reported regarding previous RELEASES will automatically be closed and not responded to, this ensures the developer maintains focus & I have a Prusa i3 MK3 that I recently upgraded with the MMU2s. Making mods to MK2. We're selling Original Prusa 3D printers (incl. MMU2 knocking on startup . 5S+MMU2S-Firmware-Dateien und eine MMU-Firmware-Datei. Related topics Topic Replies Views Activity On single-tool XL, after removing the x-carriage cover, hold the heater block (make sure that the nozzle is not heated!), and use the Torx TX8 key as shown in the picture to tighten the set After over a year with the MMU2 I wanted to give some tips I've learned as to how to achieve a high rate of success, and open it up for discussion in case anyone else has some tips/tricks! if I don't restart it, it will start the print without homing the MMU selector. Sometimes the motor would immediately start with retracting the filament rather than pushing it into forward. Notifications Clear all MMU2 Homing Issue Poslední Příspěvek RSS pokeimon (@pokeimon) New Member. E-Shop von Prusa Research a. I received my MMU2S in January 2020 and it To solve this in the short term, unscrew both Festo fittings of the long PTFE tube connecting the MMU2S and the printer's extruder. Pokud ale všechny LED i poté dál blikají, může jít o problém s napájením: Překontrolujte signální kabel a napájecí kabel MMU2S, zda nejsou poškozené a zkontrolujte také, zda jsou správně připojeny k ovládací desce MMU2S a Einsy desce tiskárny. Comments. Der Anschluss der MMU2S-Einheit an den Drucker ist je nach verwendetem Drucker unterschiedlich. Login. MMU2>MMU3 Upgrade Idler stepper not homing. even an old man can learn new things 🙂 Standard I3 mk3s, MMU2S, Prusa Enclosure, Fusion 360, PrusaSlicer, Windows 10 PRUSA MINI+ Prusalink + MMU2S MMU3. RE: MMU2S firmware update success rate poll. 0 oder höher im MK3S/MK2. com. Resetting the MMU2S using the reset button on the side of the unit is usually enough. For many of the makers the word Homing is well known. Credit to cjbaar for the MMU2S modification. Previous Topic. Log in to be able to post. When I press the right button on the MMU afterwards (after the homing procedure stopped) it starts the (correct) homing procedure: homing the idler and then homing the selector. 0-BETA1 MMU upgrade - MMU2S MMU upgrade firmware version - 1. , company founded by Josef Prusa, one of the RepRap core developers. However, if all the LEDs keep on flashing simultaneously, then it may be a power issue: Inspect the signal cable and MMU2S power cable for damages and check if they are properly connected to the MMU2S control board and to the printer's Einsy board. Between the PIMDA on the MMU and the filament sensor on the extruder, it can figure it out itself. Additionally there will be an option for users to reduce the sound more, for example by slowing down the homing further. 0. Remove any debris that might be stuck in the PTFE tube. Grinding and dented filaments all the way that eventually stops the system. FW 3. Můžete jej stisknout pomocí inbusového klíče The MMU2S idler drum is stiff connected with the motor shaft. I am in the same situation. And it adds a move print head up and homing Reply reply More replies More replies. 5S) Selhání ventilátoru #10106 (SL1/SL1S) Varování ventilátoru #10713 (SL1/SL1S) Vysunutí filamentu selhalo (MINI/MINI+) Filament nejde zavést; Filament nejde zavést (MK4) Filament nejde zavést (XL) On single-tool XL, after removing the x-carriage cover, hold the heater block (make sure that the nozzle is not heated!), and use the Torx TX8 key as shown in the picture to tighten the set Ultimulti MMU3 is a DIY multi-material solution developped in parallel with the Original Prusa MMU3, with the ease of use and reliability being the two key improvement objectives, while still maintaining a reasonable reverse This one shouldn't be necessary, but I have found it to be useful. And as I mentioned, we have awesome news for all MMU2S owners (there’re over 50. What is the secret. It really civilizes the mmu2; homing Re: Firmware 1. , společnosti založené Josefem Průšou, jedním z hlavních vývojářů RepRap. I took a look and found that where the idler attached to the motor shaft there was a crack in it. MMU2S, Prusa Enclosure, Fusion 360, PrusaSlicer, Windows 10 PRUSA MINI+ Prusalink + Prusa Connect. @gnat. (Requires DEBUG_LEVELING_FEATURE. Here's the scenario: I can 'load' any of the 5 filaments into the MMU ok. As discussed in Github #4285 the MMU2S suffered idler homing problems. Na pravé straně jednotky MMU je tlačítko reset. 6 USB/Octoprint Describe the bug When MMU2S MMU2S virtual endstop problem. 9/S) Filament not loading (XL) Filament sensor Note that the earlier MMU2S firmware 1. The filament string will probably stick out of the New firmware and MMU2S owners. If normal mode is used, hence no mode switch after homing, it will not skip that step. 000 of you after all) – we didn’t want to cut RE: MMU2S keeps resetting/Red & Green LED's flashing at once. The procedure depends on your firmware MMU2S to MMU3 - and the problem is still there. One of the recent commits must have regressed it. Prusa MK4, Prusa XL), filaments I have a Prusa MK3s with a homemade MMU2S (As if the MMU2 was not hard enough). scby rupsl fmafeoh jrq ent ieeao zqyty hpaw txin iercu