Bambu cold pull. I ran it many times, it didn’t fail a single time.
Bambu cold pull It's call a "cold pull" because it's generally done around the glass transition temperature (GTT) of the particular filament you're trying to extract, which is much lower Finally got my parts from Ali Express; thanks to CNC Kitchen for the idea and testing (click for their video on the process and links to parts) The Ali clone works really well, the only drawback is nozzle swapping - I've never been a fan of hot-nozzle swaps & much prefer the easier cold swap Bambu allows - but absent an official high-flow nozzle from Bambu we have to make do. I just got a lot of Polymaker for free so I'll be trying that out here shortly. - but I'm just happy to share our method in case it might help others out. You shouldn’t need to pull the assembly apart but be prepared. More posts you may like Sep 21, 2023 · Then heat up your nozzle to 100° and pull the filament out slowly. It got worse over time, and about week ago my extruder head started clicking, and the print quality is terrible. Nov 15, 2022 · What caused this and also what fixed this for me was doing a cold pull exactly according to bambu’s cold pull instructional video. It is also recommended to be part of the regular printer maintenance routine. Performing a 3D Printer Cold Pull is an effective method for unclogging your nozzle and extruder. A guide showing how to unclog the A1 hotend / nozzle Nov 7, 2024 · Using the default filament settings in Bambu Studio. Here’s a Cold Pull G-code I tried out today. 2. Sep 24, 2023 · How to use it:Undo the hot end when cold, you don't want the fan running as it can touch things and break. Then perform a cold pull described as above. There was a clog in the hot end. Nov 1, 2023 · Hello I am an early owner of a A1 with AMS lite. Attached below are the images of the best calibration I could find as well as the first layer print results: Before calibration: Dec 7, 2023 · Bambu’s ASA is nearly identical to their PLA for moisture absorption. 75mm (This is For ABS I use Bambu Labs, set on Bambu labs settings. I’ve recorded a video to show you what it does. Learn the best practices to remove clogs, maintain filament flow, and extend the lifespan of your nozzle. ¶ Bambu Micro Lidar. Bambu Lab Community Forum A1 mini hot end swap problem Jul 15, 2024 · So what could happened was my extruder too tight, when it did retraction , i guess extruder could probably break filament. No: Heat up your nozzle to your filament’s melting point (e. 75mm Overture Rock PLA 1. EDIT: here's some examples. I did a cold pull according to the Bambu wiki and wouldn’t you know a tiny spec of cardboard spool had hitched a ride on a piece of PVA from the AMS down into the extruder which caused the initial print failure in the first place. Then you cool it to 100 and then start pulling the filament by tapping the unload button. I checked Bambu studio and it says it detects moisture and has a red indicator. Heat the nozzle to printing temperature (210°C for PLA) 3. I figured I had a partial clog. I used the Bambu hex key for a pull and the heat damaged the key. The most common filament used for cold pulls Apr 29, 2023 · some stringy krap came out - fibers etc… 1/4 to 1/2" lonng… getting them out solved it perfectly. At first, I wasn’t sure it was working. Most of these prints have been made with BambuLab PLA Carbon Fiber using AMS (and without it too) and I really love the result. Some PETG snaps every time (Prusa, cough cough), but my Filmentum cold pulls nicely. g. I already ordered a new hot-end assembly, and opened a ticket with Bambulab, but while waiting for both of it, I thought I'd make a cold pull. Still wondering, what that rock-solid stuff was. 3 days into a 4 day print it all starts to look terrible… I tried a series of cold pulls and that seemed to help for a little bit but it kept coming back. 2 clogs when I didn't realize one filament had mico glitter Sep 18, 2023 · Then heat up your nozzle to 100° and pull the filament out slowly. Dec 7, 2023 · This also ended with a hard stop, hitting something almost as solid. Check the cold pulls for debris (metal or non plastic debris) How to perform a cold pull with PLA to clean the nozzle on a Bambu Lab 3D printer (youtube. Machine says nozzle clogged, removed the tube going into extruder and the filament is broke. Beforehand make sure the hot end screws fits in the de-clogger, if not, clean the holes up. Dec 10, 2024 · Been printing for a long time, P1S about a month old. Nov 11, 2024 · A cold pull ( 3 or 4 times) with a light colored filament (I use white), is a good way to check inside of your nozzle. All 3 of these cold pulls had bits of metal in. After receiving my brand new P1S AMS combo I got it all setup and then started some prints. The cold pull should be made if your nozzle is only partially clogged, and some I have tried heating and cooling the entire hotend assembly multiple times and have tried to clean the clog with the provided cleaning needle to no avail. If the gears are packed with filament dust, they won’t be able to grip the next piece of filament that does in. I use hairspray instead of glue and that is only on the cold plate. If you're a 3D printing enthusiast, you know how frustrating it can be when your printer nozzle becomes clogged. It enhances printing success by eliminating adhesion issues, reduces warping when printing large objects and works well with bad shape surface. Welcome to /r/lightsabers, the one and only official subreddit dedicated to everything lightsabers. Then change the temperature to some low value (80 to 100 degrees for PLA) and wait for the nozzle to cool down. Dec 5, 2024 · Thanks for the info, I tried a cold pull but the exactor/extruder but is making a grinding noise, so it looks like i will need to pull it apart, but that will have to wait till tomorrow, as it’s 11pm here. Jan 19, 2023 · To cold pull PETG residue out of the clogged nozzle, we highly recommend using a filament that requires a higher printing temperature than the PETG you have used. I’ve tried on multiple nozzles: Cold pull failed, 285 degree push through failed, hotair gun to put a hex key into the molten plastic failed, and seems too small for the accupuncture needles. ( cool plate was wierd imho. Jan 3, 2025 · Thanks rowenrohan! I did a cold pull as explained in the Bambu wiki. I don't know what to call it because it doesn't have an official name other than "heat up a hex key and shove it in there pull. 220°), take a piece of filament and press it from above in the nozzle (CAUTION: VERY HOT, wear gloves!). 75mm Bambu Official PLA 1. 6mm with no issues. The big plus on doing a cold-pull instead of just replacing the nozzle is that it will clear gunk out of the hotend as well. Reassemble everything and try to purge/cold pull to get rid of any debris in the nozzle that could be When I want to change the nozzle I manually set the hotend temperature to 80 and have it heat up and while it's getting close to 80 Deg manually have the extruder move the filament up while pulling at the filament. It was going fine, but then about 40 layers in, it turned to garbage. Bambu Lab Wiki A1 mini Nozzle Unclogging Guide. Mar 18, 2024 · I purchased a Bambu A1 Mini printer two weeks ago, and it has been working well until today. , 200°C for PLA). Maybe Bambu needs an option button for a cold pull to override this message…? Dec 17, 2024 · 1. There's no live Z, and calibration and bed leveling doesn't get things back to right. Try a cold pull to clear the hotend or swap for your spare. Sep 8, 2023 · When performing a PLA cold pull, your instructions say to pull the filament out while pressing “retract”. 4mm hotbed, performed a cold pull and ran a wire through Finally, to remove the PTFE tube you need to push on the PTFE support, then pull on the tube upwards, as shown in the image below: You can now start the cold pull procedure ¶ 2. If anything else fails will replace extruder and nozzle I guess. Here, enthusiasts, hobbyists, and professionals gather to discuss, troubleshoot, and explore everything related to 3D printing with the Ender 3. Check the filament & do cold pulls on your nozzles. It was not the first time, so I knew how to remove the extruder and the nozzle. It was going without a hitch until 25% and stopped printing and just continued printing in the air with no filament coming out. A cold pull can usually only be used if the filament is able to reach the nozzle. Doing so will allow the PETG in the nozzle to melt in the process, making the residue more likely to stick to the cold pull filament as you pull it out. I tried unclogging via pin needle, cold pulls, recalibrating flow rate, the hot hex key method, the “extruder maintenance” guide and lubing extruder gears. Under extrusions and weak layer adhesions galore. I performed a cold pull to clean the nozzle and also disassembled the extruder, but both were clean. I do it with PETG the classic way- let the extruder cool down to no more than 40C, THEN heat it up to 120 and do a gentle pull upwards. However, it suddenly stopped printing. It behaves like a blockage, but I’ve cleared the nozzle twice with a heat gun. 43% You may be able to clear it by doing a cold pull however, highly recommend switching to a . I realized the first time I tried to print with that that I needed hardened extruder and nozzle, so I ordered them. This does sort of a cold pull and will take most of the filament out. Nozzle clogs | Bambu Lab Wiki. They arrived Thursday and I excitedly installed them and started a dragon print. That said, I thought "cold pull" was when you then "cleaned" any detritus left over by doing the same thing but with a piece of filament (temp to 250, push in filament, let cool to 100, then pull out. The filament won’t soften at the top when the printer heats up the nozzle, so new filament can’t be pushed in. It seems scarier than it actually is. Aug 26, 2024 · If there are, you’ll need to soften it a bit and pull it out. However, once the print is finished it is incredibly difficult to remove them from the bed. If you still cannot unclog the hot end, you can try replacing the hotend with a new one. " Can you cold pull the E3D ObX HF Bambu HotEnd? - Yes, you can! The ObXidian coating is designed to withstand the force of a cold pull, however it can be a little bit challenging compared to a typical nozzle due to the internal construction. When you do do it, you might wanna repeat the cold pull a couple times until the filament comes out smooth. I did 4 cold pulls using white filament to see if anything came out and everything looked perfect based on the videos I watched. I thought that the filament could just be stuck, so I took apart the hotend and did a cold pull. I wanted to continue printing with this filament, but it is not available to order in the BambuLab store, so I bought a SUNLU (https Jul 6, 2024 · Hi there, So, I’ll get right to it. Say Goodbye to Print Failures SuperTack coating provides ultra-strong adhesion to PLA and PETG filaments, even at lower heatbed temperatures. Cold pull is sticking filament into the extruder at the top with the nozzle still attached and up to temperature. Now heat up the This is a decent valid questions simply because there are a lot of new people entering the 3D printing realm with the seemingly plug-and-play Bambu Lab printers, that may not know your filament needs to be dried and kept dry. Any tips or suggestions for cleaning or Just picked up a P1S from Microcenter to upgrade from an Ender 3v2 and successfully printed the benchy with the Bambu filament (green). 6 mm nozzle if you want to keep printing with filaments that have a carbon fiber additive. After installation, I can’t get the filiment to extrude. Although it initially seemed like a nozzle clog issue, upon careful inspection, this doesn’t appear to be the case. Feb 7, 2024 · Not bad adhesion, No adhesion! ASA the melted filament comes out, it stick to the nozzle and not the bed then drags it it on the plate. I did another print and still had poor quality. Whatever works for you reliably is great! Jan 19, 2024 · If your nozzle is partially clogged, the 3D printer cold pull is your first line of defense. The cold pull method is an effective way to remove filament residue stuck inside the nozzle. I then tried to use another I have tried to do a cold pull, as well as using the no clogger tool. Prints were perfect for quite a while, swapped nozzle to a 0. Aug 9, 2024 · I just purchased a hardened steel gear assembly and hardened steel nozzle. Ensure optimal performance of your E3D Revo nozzle with our comprehensive cleaning guidelines. You can also use it to clean your hotend during your usual maintenance routine. {Sigh} I went with the info that other plastics were OK and the problem seemed to be only this one. Let it cool down. A piece of filament was stuck into the extruder and the nozzle was completely clogged. May 20, 2024 · Using pliers to pull the filament rather than your hands is also a good idea. 3mm. (Pictures below) Reinstalled . From the way you describe it, It sounds like you aren't doing a true cold pull. I tried to use the needle included to open the nozzle from below, but as the clog is nasty and persistent, I can’t get the nozzle fully open and clean. Reply reply Top 2% Rank by size . I kept heating to 220° and extruding to the Aug 29, 2024 · I tried unclogging the nozzle by using the pin and the “cold pull” method and after a test print it seems to work again but it fails after a few layers again. I’ve never done it on a machine, here’s Bambu’s wiki on it. But don't worry - with this step-by-step tut Posted by u/West_Application_760 - 1 vote and 1 comment That's awesome that you have a reliable cold pull process for clearing clogs! I personally dislike cold pulls because they don't always work and it's quite time consuming to heat up, cool down, repeat, etc. May 19, 2018 · Re: PETG cold pulls. To do that you want to heat up the hot end to 250°C And run cleaning filament through it. With prints longer than 3-5h the nozzle clogs, stops extruding plastic, and I need to do a cold pull to get the stuck filament out (cannot be pushed through). it goes without saying that this is best printed in Petg or ABS. Discover recommended cleaning methods, and essential tools. Since the printer was new, and I had never printed with anything else than pure Bambu PLA, I assume that it was some debris from the extruder’s manufacturing. After every cleaning procedure shown in this article, we strongly recommend performing a cold pull procedure. All settings default as per Bambu PLA except for flow rate which was calibrated using bambu studio calibration. A cold pull using the supplied allen key is also very easy and works really well for clearing out the nozzle. and inlcude a plate that is ment to run super cool. Cold pull of hot end Checking all connection Trying to push manually through hot end. BambuLab Community is a community run subreddit for support and discussion around BambuLab 3D printers, filaments, AMS, and software. Having to acknowledge this message each time made for a PITA cold pull. Bambu ASA Saturated Water Absorption Rate / % (25 °C，55% RH) - 0. I constantly have problems printing PLA (various manufacturers, including Bambu basic that came with the printer). I ended up replacing the hot end and we're printing great again. " Anyways, sucks that it happened to you. ;;;;;;;;;;;… Apr 11, 2024 · How to do a cold pull on a bambu X1 carbon. if you are using brass insets, you will need 2 pcs of M3xD4. . Without the nozzle the filament goes through fine and it looks like there’s enough purchase on the filament. PLA is not best around the hot end ;) Slide the piece onto the hot end top and lock in place by sliding the screws in. ¶ When to do it? Hey y’all, I’m all but ready to pull the trigger on purchasing a P1P and two AMS units. Hello, 15hrs into 30 hr print. That seemed like I was playing with fire. We recommend keeping a pair of pliers, flush cutters, and some nylon filament handy. I watched this video: How to Easily Unclog Your Bambu Lab 3D Printer Nozzle: A Step-by-Step Guide (youtube. That was the final breakthrough - finished the cleanup with a cold-pull. May 21, 2024 · Most likely, I had garbage in the filament feeder - a hole right before it was inserted into the nozzle. Steps: Heat the nozzle to the extrusion temperature of the filament currently loaded (e. I wanted to include a ptfe tube within to help guide the filament when doing a cold pull to clear out the clog. Filaments tested - Raise3D Hyperspeed PLA 1. Bambu x1c came with a funky plate that is mostly something that Bambu only uses. Even then, there’s a blog on initial line. For more details, please check: https://wiki. The issue is the controls are letting me put 260 in as nozzle temp but it’s not actually doing it. First, two cold pulls after switching from grey ASA. Both of these failed yesterday using the . Load the filament directly into the extruder anc tap the extrude button to start extruding. The Micro Lidar uses a small camera and a laser to calibrate. com/en/x1/troubleshooting/nozzle-clogX1 seri Here is the complete video of unclogging with a pin tool and cold pull: Move the Z-axis to the appropriate height, and also move the tool head to the appropriate height; and remove the front cover of the tool head for the next step. In this video, I walk you through step-by-step to clear jams and unclog your printer for smooth May 15, 2023 · So a short update: A cold pull worked! As @wally. The shape looked great and no dirt or other filament came out. Die Verstopfungen habe ich mit den Methoden aus dem Wiki (Nozzle clogs | Bambu Lab Wiki) beseitigt. Heated nozzle and used needle. So far, it’s never jammed but it probably will someday. Reply reply May 3, 2024 · I recently purchased the X1 Carbon + AMS and have been printing a lot of parts with the official filament that came with the printer. This worked beautifully for me. I took the print head apart, the extruder wheel is clean and the pressure lever is okay. I was expecting to pull out some of the filament, that originally caused the clog, but I did, in fact, pull out the current filament. Just an FYI for everyone having the same issue: I did the cold pull as described here. I’ll press the extrude once and it will go in just fine maybe towards the end the clicking will start. Any tips for removing PLA from glued up cold plate? Thanks. For PLA I have a vast variety from Sunlu, inland, HZST3D, and a few others. I’ve repeated that procedure several times always changing the temperature, and suddenly the needle found some path through the whole hotend. May 18, 2024 · HOW TO PERFORM COLD PULL ON @BAMBULAB USA P1 SERIES PRINTERS #3dprinting #bambulab #amdigitaltech Feb 2, 2024 · Lowered cold temperature to 70°C for better strength of pull. Set the nozzle Oct 5, 2024 · Hello it all. The bit of filament should come out too. It didn’t fix the problem. Apr 15, 2023 · We had a clog in our Bambu Lab X1C and by following their instructions on the wiki, we broke the connector on the extruder PCB. Mar 1, 2023 · They give you the little wire to help clear a clog, but cold pull is the trick. Mar 12, 2019 · Hi Everyone, I am trying to clean the print cores in my Ultimaker 3 using the standard procedure of hot and cold pulls, however, I am consistently breaking the PLA filament during the cold pull such that a large piece of it is still stuck in the print core. Step 1: Prep Cleaning Filament Looks like a partial clog. Step-by-Step Cold Pull Process. Apr 22, 2023 · With the Bambu Labs . When I reprinted, the quality was still poor so I did another cold pull. I don’t know if there is enough throw in the mechanism to add some blue tape on the part of the frame the cutter arm hits to push it just that little bit more or if it will detect the Follow the Nozzle/Hotend Unclogging Procedure for X1 wiki article to peform a complete nozzle cleaning, including a few cold pulls to bring the hotend to its original performance. For now those 5 clogged nozzles are sitting on my bench waiting for the right technique. These last days, I met more and more issue ejecting the filament before and after changing color. I’ll guide you through that procedure first, if it fails, We’ll move over to Cold-Pull. Nov 14, 2024 · The first layer was rough, bumpy, and hard to remove from the plate. How to perform a cold pull with PLA to clean the nozzle on a Bambu Lab 3D printer 1. Latest ; Popular Leaks ; Trending Leaks ; You are here: Home A cold pull (sometimes referred to as an atomic pull) is trying to accomplish one thing: to pull all the filament out of the hotend without leaving any behind in the nozzle. Jul 20, 2024 · So far I have tried to see of there was any foregin objects in the hot end, I did a cold pull of the tool head, by doing that I seem to have pulled out some PTFE shavings/fragments, which seems to have come the PTFE tube connector in the tool head, as there were a lot around the tube when I pulled it out of the PTFE connector. But I have one reservation and that’s the stock cold plate. My prints are just not adhering to the bed. I don’t normally have problems with amolen filament but this is the second partial clog in this spool and the first one was due to bits of metal as well. The hex key pull is different. Only run about 2 to 5 inches or 10 to 20 cmof cleaning filament through the end of the nozzle. I have also tried multiple ways to perform a cold pull, including the way that Bambu Labs suggests, all with no success. I've cleared a few . A cold pull by itself may not be enough, which is why you also got a poker-needle thing with the printer. Try a cold pull? You can also get acupuncture needles, preheat the nozzle, and feed the wire through the tip of the nozzle, give it a few jiggles, remove the needle and let everything cool and then cold pull it. Raised the bed temp to 45 (from 35) and that has been solved. 2mm of molten PLA cannot pull cooled, solid plastic off of the bed. Normalerweise reicht der Cold-Pull (Methode 4) allerdings mußte ich auch schon zweimal das Filament mit einem Imbusschlüssel herausziehen (Methode 3). It is so fast that the poop can Had my first clog on my Bambu X1 and realized it was not an easy task to clear it as is :) Jump into cad 10 min later my Prusa Mk3s saved the day! How to use it:Undo the hot end when cold, you don't want the fan running as it can touch things and break. it goes without saying that this is best printed in Apr 3, 2024 · Learn to fix jams on your Bambu Lab A1 or A1 Mini 3D printer. Then insert it as far as it'll go, then pull out. (Pictures below) Ran the AMS Spool weight with . Jan 4, 2023 · This video is part of the tutorials in the Bambu Lab Wiki. Is there a way to thoroughly unclog the (Bambu) nozzle? Nov 15, 2024 · 332 likes, 13 comments - print. Ended up heating up the nozzle to 250, but the instead of pushing the needle/pin through I pulled the Marble filament out the top with some needle nose pliers and pushed a 1/2 inch of different filament through it. So once you pull that exposed part out and do a cold pull, blow out the extruder gears with some compressed air. A cold pull shouldn’t require tools, all you need to do is pop off the ptfe tube after retracting the filament from the extruder. Apr 23, 2024 · I then move the head to a comfortable position and use the brash toothbrush to scrape away any accumulated filament on the nozzle tip. com) It's time to eliminate causes so if you have a known good roll of filament load it up after the cold pulls and print something. 4. Feel free to post anything regarding lightsabers, be it a sink tube or a camera flashgun. com). Had the AMS exchange PLAs load/unload and I saw a nice stream coming out. A 'cold pull' is a technique that allows you to clean your printer’s nozzle and hotend from any material that may be stuck or burnt inside. I had to perform 10 cold pull (Insert a new piece of filament with nozzle at 220°, cool it down to 100° and pull it over) until some PLA went out of the nozzle. no other means of unclogging was able to get them out - except for the cold-pull method Yes this is how you do it, bit you don't really need to do it often, unless you see something like a partial clog, which may happen with printing with multiple materials for example. A cold pull will ensure the inside of the hotend is clean, and will minimize the chances for any printing issues caused by the hotend. Mar 6, 2023 · I did the cold pull and it seems succesful, but only partially. I designed 2 versions to have the 2 screws secured by either nuts or brass inserts. 2 and did some miniatures with varying success using PLA meta (multiple models on one plate lead to one model failing and nozzle dragging the others with it, print by object also did not seem to work - always a failure early on) however if I printed only one model at a time it Next step I’d try would be a cold pull. 45% Bambu PLA Saturated Water Absorption Rate / % (25 °C，55% RH) - 0. This caused the filament sensor to be stuck back as if filament was inserted. It's not a huge problem (cold pulls are quite easy on the X1C), I'm just curious how often people do this. Keep in mind it's actually using the extruder to do this and that it may grind the filament when backing it out so pay close attention to prevent just adding to your woes. Do not use the unload feature when you want to change the nozzle. The camera and laser need to be kept clean for smooth operation. I would like to heat up the nozzle and try to push the stuck filament out and do a cold pull after maybe. The stuff I pull from the nozzle always confirms that the cold pull was a good idea. Hard to get a photo showing that for the first two since the pieces were tiny but the third cold pull got the mother load. )?It's supposed to trap and remove any small pieces left over after the sometimes violent Allen key retraction. Partial clog: doing a cold pull in the nozzle and checking the tip to see if it matches the inside of the nozzle. Basically some particle in the hotend is clogging it intermittently. Bambu Lab has a video on how to do a cold pull with Here we discuss everything related to Bambu Lab 3D printers. Repeat the cold pull procedure 2-3 times. Cold Pull Method. I ran it many times, it didn’t fail a single time. Heat the nozzle to printing temperature Dec 31, 2023 · On a related note … when you remove it while it’s still warm, you can also do a “cold pull” which cleans the nozzle from the inside. After a few succesful prints, my Bambu A1 mini makes strange noises and I am not sure if this is normal. Swapped out the filament to Inland PLA (red) and had two more successful prints. It took me over an hour with the help of a YouTube video to resolve it. The filament just balls up when the hotend is heating and ends up curling onto the nozzle and, as the hotend travels it just pulls it all up with it. 4 steel nozzle you will need about 5c more than a brass nozzle also as you start printing faster you will have to adjust the nozzle temp or speed settings depending on the filament type being used and look at the part is it flat or glossy looking I have push some petg brands up to 280c with no problems just so you know. Done a cold pull 3x – no problem. warrior on November 14, 2024: "How to perform a cold pull with PLA to clean the nozzle on a Bambu Lab 3D printer 1. Now the nozzle is clog free. Haven’t dealt with it yet on mine, but I’d just pull the nozzle and use a heat gun then cool a bit … Yank! Definitely not as easy as my CR-10S tho’. 6mm nozzle as recommend or move to a different filament. 6XL3 Sep 9, 2023 · I recently purchased a P1S and ended up getting some PETG CF with the purchase because it was suggested. I use a soldering iron for this. Eliminating Adhesion Issues Redu Cold pull is from the top of the extruder with everything else still attached. Pliers are better for controlling the filament pull and reducing the chance of breaking the filament. cold pull param I use: Bambu generic ASA, heat to 240 DegC, cold pull at 120 DegC However, 0. Aug 28, 2023 · When it pulls back, it does a sort of cold pull which leaves the blob hanging by a partial cut. I’m guessing poor quality inspection of the filament. The basic process is: Raise Z. What I’ve done: Full calibration (vibration, bed, …) Cold pull Apr 3, 2024 · However, as soon as I start printing, the extruder ticks constantly and the signaling wheel runs back and forth and hardly any filament comes out of the nozzle. Beforehand make sure the hot end screws fits in the de-clogger, if not, clean the holes up. Dec 17, 2024 · The best way to resolve it is to do a ‘cold pull’. There's a video from BambuLabs on how to do it. once I cleared it with the cold pull - zero issues since. Appears the PETG (not bambu brand) had some contaminant in it that clogged the extruder. Heat the tip to around 200°C and carefully push it into the filament blob, then I can grab it with a small pair of pliers and pull it Bambu has a video on how they do a cold pull. I cleared the filament in extruder and started a print. Particularly as they are very small and low, so I cannt easily bend off or pull them off by hand. Read on to learn how to do it! Feb 17, 2023 · To fix the issue, you will most likely need to do a cold pull on the nozzle. Sometimes the ejection lands in the plate causing print failure (movement, bad fusion), sometimes the poop is blocked within the ejection system. You'll have to do a hot and then cold-pull to get rid of any debris (first insert a piece of filament at 250, feed it through using the steppers until filament comes out the hotend, then set the heat to 100 and feed it back out the top until it comes free). After heating the nozzle to 220°C, I tried to feed the filament manually into the Had a jam, fixed with a cold pull, but now the Z-height is too high and filament isn't pushing down on the plate enough, probably around . All printed on Bambu labs settings for PLA. What this one is called, I don't know but I tend to call it a "hot hex key pull" Aug 15, 2024 · A Cold Pull; The Filament was ESUN PLA SF In standard black. Here we discuss everything related to Bambu Lab 3D printers. Will try cold pull later tonight. However, the nozzle has to have cooled down to 100C before doing this, and each time you press “retract” you get a warning to make sure the nozzle is set to at least 170C. Not affiliated with /r/BambuLab which is moderated by the company themselves. That’s not a guarantee that the OP’s filament is that good with moisture, but in general, ASA isn’t bad. Here’s what I’ve tried so far: Unscrewed and cleaned the nozzle Performed a cold pull to clean the filament path But, just an FYI, that this technique isn't called a cold pull. Broken filament in the nozzle head probably, disassemble the nozzle assembly and see if you see filament stuck in there, my preference is to perform a cold pull in that case (see Bambu wiki) A other issue can be that filament is stuck in the extruder, but its most unlikely. It has a very thin blade moved by the block head and a spring system. Here is how to disassemble the hub and here is the top link for AMS trouble shooting. Bambu labs X1C #bambu #x1c #coldpull". 4mm with under-extrusion and spaghetti. The amount of black stuff you get on the cold pull is unusual IMO. It works best for soft filaments like PLA or PETG. Afterwards pull on the filament and retract it on the display at the same time, so a cold pull is performed. Search the Bambu wiki, they’ve got good instructions for clogs. com/nozzle-cleaningHi, in this little demonstration of a cold pull, we clean the nozzle of our 3D printer with this meth The last two can be easy enough to check. Please note I am gently putting the filament into the extrudable hole. With a flashlight, a toothpick, compressed air and a manufacturer’s cleaning rod - you can do it quite efficiently. malicky said, nothing else worked. Jan 6, 2024 · Hier ist kurz erklärt wie man einen Cold pull macht um die Düse zu reinigen, und weil ich schon dabei bin, Wechsel ich auch gleich die Düse zu einer aus gehä Jan 5, 2023 · I tried following the instructions from the video yesterday to do a cold pull, but at least in the current firmware it yells on every ‘up’ button push to heat the extruder to at least 170. The result is a big blob on nozzle. The filament got thin and stringy when doing a cold pull at 100c, and part of the stringy filament snapped off inside of the extruder. This version doesn’t retract the blob back to the AMS, I ran it with the tubing disconnected from the toolhead. A cold pull is a technique used to clear the printer’s hotend and nozzle of possible obstructions such as filament and other debris. Sep 15, 2022 · I like the design of Bounet's clog pusher. Performing a hot-pull (faster than cold-pull) I recommend doing a “hot-pull” before a full cold-pull since it’s less stressful for the mechanics in your 3D Printer. I did Cold Pull three times, blew out the filament feeding tube and everything works fine and there is no crackling. bambulab. I didn't do this, but I don't think it would've worked. I’ve tried using new, non-humid filaments Link to this technic: http://bukobot. I removed the circuit board from the head and installed From the initial sample handed to Dr Tao, we enhanced the specification to include a hardened steel High-Flow insert (we initially prototyped using brass), a copper heater block (versus the brass Bambu use), and topped it all off with an ObXidian coating to ensure that the new product was in no way a regression on the standard Bambu design, and instead pushed the envelope in every way. Dec 19, 2024 · 265 likes, 5 comments - carzdeluxedesigns on December 19, 2024: "Cold pull. I’m using a new spool of Bambu PLA Basic filament, and after two successful prints, the problem started. Jul 20, 2023 · How to Perform a Cold Pull Performing a cold pull is quick and easy once you get a hang of it. Set the hotend temperature then load filament. Nov 21, 2022 · It does not cut cleanly and appears to do a sort of cold pull so when its retracts there is a weak spot and a lump. Until then, it pays to exercise caution and follow these steps precisely to avoid damaging your extruder assembly. I ended up needing to unscrew the hot end, heat it up, and then hold it with a pair of pliers in one hand, and in the other, I used a filament needle that I had heated up with a lighter to pull out the bit of clogged filament on the cold side. Apr 24, 2023 · Printing with Extrudr ASA… trying Cold Pull (Nozzle clogs | Bambu Lab Wiki), replace nozzle… and same problem… ¿extrusor problem? Hier ist kurz erklärt wie man einen Cold pull macht um die Düse zu reinigen, und weil ich schon dabei bin, Wechsel ich auch gleich die Düse zu einer aus gehä Jan 22, 2024 · Had my first clog on my Bambu X1 and realized it was not an easy task to clear it as is :) Jump into cad 10 min later my Prusa Mk3s saved the day! How to use it: Undo the hot end when cold, you don't want the fan running as it can touch things and break. Bambu's trouble shooting steps kinda worked. I assumed it was a clogged nozzle and performed a cold pull and cleared it. -Heat to ~250 C, and push some filament through -Cool to about 125 C, and retract the filament (you can probably just use the motor to help, or flip the switch in the back and use pliers). Jul 5, 2023 · Then screw the hotend back on and now extrude some filament using the extrude function on the display. ) You can go to the Bambu store and get a normal smooth pei plate, or a pei textured plate. I was able to identify Jul 11, 2024 · The nozzles probably aren’t flowing because they’re plugged up. Then I realized the surfaces had zits and the A1 was overextruding. I’ve been printing with bed slingers for almost 6 years now and I’ve always used a PEI like surfaces that didn’t require any glue and I’d like to keep it that way. Then use a short section of filament heat let cool then retract and pull and it will remove and gunk in the hot end. Blocked nozzle will make it just worse until a full cleaning from back side of nozzle (cold pull etc) is performed. Dangling the hot end off the c If the extruder can extrude the filament smoothly without the hotend, it means the hotend is clogged, and you can refer to this wiki to cold-pull and unclog the hotend: A1 mini Nozzle Unclogging Guide. Open the front cover housing assembly, and disconnect the PTFE tube. I’ve tried a cold pull and about every other tactic I can think of Welcome to the Ender 3 community, a specialized subreddit for all users of the Ender 3 3D printer. No matter what I try, it just doesn’t want to stick. buy a printer with a enclosure made to print high temp stuff. This step depends on the filament used to perform the cold pull procedure. Dec 16, 2023 · @StreetSports, that was actually the only time when I needed a cold pull - i had a bit of metal clogging the nozzle. Have you tried doing cold pulls? The entire procedure is quick & simple and is a good thing to do on a regular basis to prevent build-up in the nozzle & hotend. I have amazing results with the cool plate and liquid glue combo, but, if you want to print cool you could also just as easily toss it and set your hot plate temp to 35. I haven’t done a “true” cold pull (room temp) but I have done semi-cold pulls with cleaning filament. Ran XYZ cube and a simple Spool Holder with no issues. Looks like the extruder got way too hot and plastic burned in the hot end. Jan 10, 2023 · Seit dem nutze ich das Filament auch nicht mehr. As suggested I'm going to dry the spool for good measure and start using some cleaning filament to try to get more life out of the hot end going forward. If you suspect the nozzle is clogged, look at the bambu wiki of doing a cold pull or you can use the wire cleaner that comes in many kits, example below. If you are using Nozzle X, do not use the cold-pull method, but only use cleaning filament. The only initial G-code that sticks is the purge/prime lines. And to prevent this issue in the future, consider using a 0.