cold extrusion prevented. The printer does return the text indicating that cold extrusion is allowed, however. cold extrusion prevented

 
 The printer does return the text indicating that cold extrusion is allowed, howevercold extrusion prevented  I am running marlin on a Velleman k8200 with LCD/SD

Mater. OctoPi 0. This is a Marlin featured called Cold Extrusion Prevention (#PREVENT_COLD_EXTRUSION). Extrusion. Check the mpcnc forums, they use marlin for the cnc router. Types of extrusion are presented in Table 2. I am aware that stepper drivers can briefly pause motion of the stepper motors to cool off but in this case the pause only start to happen after pronterface shows. then it went away and the rest of the print finished clear. The print speed is too fast, and the filament cannot be melted adequately before extrusion. 2) Is it possible to eliminate, or adjust, "the cold extrusion prevented" block on manually extruding fil using pronterface? With my setup it almost completely prevents me from manually extruding. In micro- and meso-forming processes, the. too long extrusion prevented #1150. The only way to reset the low temperature condition is to cancel the print. 808 E411. 2 KB) octoprint. Please refer to the BTT SKR MINI E3 V3. However, in addition, it also acts as a carrier layer. I get a little bit more stringy-ness with the. closed Sergeykurm Sergeykurm NONE. Different lubricant oils were used in this study, and. I've had multiple issues over the past few weeks with longer prints doing this. Just look for those defines that match in configuration. 3 F1500. 0166793 Recv: Error:Line Number is not Last Line Number+1, Last Line: 245951 Recv: Resend: 245952 Send: N245952 G1 X71. subscribers . The Temp graphs all hold steady at the assigned temp with only the very small 1 degree or less of wiggle in each direction. cold extrusion prevented problem I have a dual Hot end setup and I'm currently trying to print in PLA using only the 2nd Hot End. Apparently your 3D printer runs Marlin firmware. 762 E0. Anywhere from 10-40 minutes into a print, the temperature of my extruder will start randomly dropping. Registered: 10 years ago. This method occurs at ambient temperature or below the metal’s recrystallization temperature to form the metal into the desired shape. CENTRAL BURSTING DEFECTS DURING COLD EXTRUSION IS-degree semicone angle die will prevent the defect. . I tried commenting this out: #define PREVENT_COLD_EXTRUSION That didn't. plate or pad in preheated condition is placed between the billet and the ram so that the back end of the hot billet is prevented from chilling in contact with the ram and on the other hand, the. Here's how to fix it echo: cold extrusion. MakerGear M2. apparently the printer returns this error: Recv: echo: cold extrusion prevented Recv: Error: Printer halted. Works as expected. Cold extrusion is the process done at room temperature or slightly elevated temperatures. The firmware is set up to not let the extruder motor turn until the hotend is at 170C […]Clean Out The Nozzle. Same thing happens to me if I print from the TFT35 E3 usb port. I noticed in the communications window that "cold extrusion prevented" was being reported many, many times (I'm 16hrs into a print). In my 3 last print with abs, the material stop flowing from. By establishing a simplified mechanical model and a finite element model, the load change. And if things don't heat up then no extrusion can happen. These values are less than the reduction ratio of the general extrusion process, which is 75% . 3 KB) What is the problem? After I changed the extruder heater, my prints are spongy, like its not extruding properly. A high fraction of cold forging processes are extrusion processes. can you extrude plastic while cold? No, you can't. Admin. The motors are rated for 1. Though there are several methods of cold extrusion, for most manufacturers, there are three basic types – forward or direct, backward or indirect, and upsetting. 415752 mm for adequately long cylinder being pushed throught the nozzle. edgar-meyer 0 Posted April 24, 2012. •To prevent, modify flow pattern to be more uniform, control friction and minimize temperature gradients, remove scale and impurities by. What did you already try to solve it. First one was during the final layer of skin on a 4 hour print. I had changed the temp setting in all Subject - Manufacturing Processes, MetallurgyChapter - Difference between Types of Extrusion Processes: Hot Extrusion and Cold ExtrusionTimecodes0:00 - Intro. Kim and Kim [6] studied internal and external defects of cold extruded products with double ribs and performed process design to prevent these defects. 1. 598 E0. It actually says "cold extrusion prevented". . Oldest to Newest; Newest to Oldest; Most Votes; Reply. 3. These belong to the subgroup extrusion (DIN 8583-6) within the group forming under compressive conditions (DIN 8583-1). Re: I can not print below 200°C. kill called! Have you tried running in safe mode? yes. In the console, I got an echo : cold extrusion prevented and a bed thermal runaway. Filter your serial. The conversion layer’s first job is certainly to prevent adhesive wear. I. Learn four simple solutions to this problem!In cold extrusion the defect is usually observed in the final, light step of a multistep extrusion. Another step to fix Ender 3 under extrusion is cleaning the nozzle. June 2013 10:51. So far, I’ve gotten pretty much everything to work, and I’m on the home stretch except I can’t get it to extrude without having to heat up the nozzle (just dangling off too the side to prevent other errors the machine gets when it’s not connected). Cold extrusion prevention not working #1846. To disable the "cold extrusion prevention" sending M302 will do it. I think it's a pretty recent addition to the firmware. 2) Is it possible to eliminate, or adjust, "the cold extrusion prevented" block on manually extruding fil using pronterface? With my setup it almost completely prevents me from manually extruding. Clogged Nozzle Rescue. Here is an excerpt of a small portion for an example: ion prevented echo: cold extrusion prevented echo: cold extrusion preve. Filter your serial. :2) Is it possible to eliminate, or adjust, "the cold extrusion prevented" block on manually extruding fil using pronterface? With my setup it almost completely prevents me from manually extruding. I'm using octoprint and running Vanilla Marlin 1. Viewed 13 times 1 $egingroup$ My 3D printer is a Monoprice Maker Select v2 and the G-code is being written with VS Code locally and sent with OctoPrint (I have tried directly from the SD as. 1. This topic has been deleted. 2, and the mutation probability is 0. Plastic is solid at room temperature. octoprint-systeminfo-20230429102203. A two-in-one-out hot end should be OK but there could be a "cold extrusion prevented" warning on a regular dual extruder-dual hot end machine. 492 : N1449 G0 X95. Article Google Scholar Lee DJ, Kim DJ, Kim BM (2003) New processes to prevent a flow defect in the combined forward–backward cold extrusion of a piston-pin. 169 E. 078 E412. What did you already try to solve it? I checked the GCode and the temperature and wait for temperature are set. In the case where the filament does not come out of the printer after the third step, we recommend using the Move 10mm. 18 failed prints, tried different colors. What am I missing here? 3) Finally, possibly related the the min temp issue above, why is the extruder not extruding while printing?I spotted the log message have an "echo: cold extrusion prevented" go flashing past! So, I'll update the firmware to drop the temp back down to it's prior 170 amount, and with the new stepper driver in there, I think I'll be set. 598 E0. I tried lowering the temperature to 160 degrees,but got the message "cold extrusion prevented" in pronterface. I manually increased the target temperature by 10 degrees (to 190) and the actual temperature rose as well, now maintaining between 175-183. Before using this guide, it is recommended the following: – Ask the question - “What has changed since the last time this product was run satisfactorily?” – List and check each item independently – Proper production records are a tremendous help in dealing with extrusion problemsduring printing a 6hour print, I got several errors from printrun saying 'cold extrusion prevented'. I was good to go. J Mater Process Technol 69:227–232. A combined cold extrusion process is experimentally visualized to manufacture a drive shaft. 550 Y46. Forum List Message List New Topic. Recv: ok Send: N13675 G1 X114. 00 Y500. kill() called! Changing monitoring state from "Printing". The backup ring supports the O-ring, preventing deformation and extrusion, and effectively increasing the efficiency and lifespan of the sealing system. We can configure at what minimum. Plastic is solid at room temperature. With my extruder cold, I send a command to extrude. No issues. Top Posts Reddit . In an extrusion process, a punch presses the workpiece through the die that forms the shape of the part. 3D print under-extrusion will result in poor interlayer adhesion. 3 KB) What is the problem? After I changed the extruder heater, my prints are spongy, like its not extruding properly. But the power is still on full power , the hot end was getting hotter and hotter making a mess of the part partially printed (which i don't care) but making a lot of smelly and irritating smoke and couls have taking fire. 5. With this option, the extruder motor won’t move if the hotend is below the specified temperature. 3198. The long die is used to form the layers of meat-like texture and prevent expansion. here is the log when this happened, you can see the temperature dropping suddenly: > 01:02:37. What is the problem? Heating is always turned off for 20-30 minutes of printing, when the part is already printed on 85% What did you already try to solve it? I. 0336-----<I TERMINATE PRINT AT THIS POINT AS IT JUST CONTINUES TO PRINT COLD> As you can see it should just halt at M134 and M133. We bought the printer Sept. Cold forming is a process which is largely employed in industry. This can help to see if there are inaccuracies in the pins. Gears are integral and vital machine elements in the field of drive and transmission technology. cold extrusion prevented -. Chapter 1: Overview of Extruded Aluminum. The cold extrusion process of internal thread without chip processing has gradually become the development trend of internal thread processing. "Cold extrusion prevented" ça veut dire extrusion à froid empêchée. In cold extrusion the defect is usually observed in the final, light step of a multistep extrusion. 0. Was fixed in #24045 until code was modified in 1a7052b. So i hit the "emergency stop" and when I heated the extruder, it worked fine, and the temperature rose. If the nozzle has been clogged already, first check if the nozzle tip is sealed by residues against its outer surface. Warm and cold extrusion processes are commonly used: a. an impact extrusion process"Cold extrusion prevented" after a short circuirt BIQU B1 . 47 Y79. 3 meters of filament in one shot. The printer is unable to pull the filament due to external factors. Appl Mech Mater 27(6):814–816. 00412*97 Recv: echo: cold extrusion prevented Recv: echo: cold extrusion prevented Recv. Maeno et al. frankland@comcast. This process can be used forDuring a fatigue process, residual tensile stress can promote fatigue crack initiation and propagation, whereas compressive residual stress (induced by shot peening or cold extrusion), can prevent the component from premature failure increasing it. 2 % more, or similarly said, the extrusion needs to be multiplied by 1. 6 nozzle). Cold extrusion prevention manifests itself as the extruder not moving when commanded to move manually. // It also enables the M302 command to set the minimum extrusion temperature // or to allow moving the extruder regardless of the hotend temperature. log (54. The thickness of lower end is 3. It is a. The text was updated successfully, but these errors were encountered:. I tried googling this issue. Cold extrusion is done at room temperature or near room temperature. If the "Recv: echo: cold extrusion prevented" is a message particular to my printer and there's no way to tell that the gcode execution actually failed, yeah I guess troubleshooting through the terminal or camera is the only way to go. when i stop the print and heat the extruder, it heats up normally again. It's like it just jumps into mid g-code and ignores homing or start code all together. Add external extrusion pressureIt was indeed the cold extrusion setting, once I got up to 170 the extruder worked as it should. 641 Y85. En marlin se puede modificar la temperatura minima de segura de extrusion #define EXTRUDE_MINTEMP 170 En otros firmwares me imagino que también pero desconozco el parámetro. But you need to be careful to prevent burns. Too low temps can result in the problem you present, while too hot temps will increase stringing and peculiar blobs on the print. Posted : 16/07/2022 6:47 pm TTOn the interface of the Ender 3, navigate to the Prepare, Move Axis, and Extruder menus, respectively. $\endgroup$ Apparently in the firmware there is a flag to disable certain features for certain 'smaller' boards, SLIM_1284PIt also disables the gcode command, but not the cold extrusion prevention itself. Extrusion and Drawing of Metals Introduction Extrusion – It is a process where a billet is forced through a die. I can confirm that the nozzle does wait until it is properly heated up for each switch. Extrusion comes out round and easy. ES383732A1 1973-10-01 Procedure for the manufacture of an entirely austenitic steel. 641 Y85. a cold extrusion process b. It takes around 138 Kcal (0. What am I missing here? 3) Finally, possibly related the the min temp issue above, why is the extruder not extruding while printing?2) Is it possible to eliminate, or adjust, "the cold extrusion prevented" block on manually extruding fil using pronterface? With my setup it almost completely prevents me from manually extruding. 8. • Vertical hydraulic press for cold extrusion •Less capacity, but also less floor space than horizontal machines • Multi-stage processes also Figure 15. 4 shield (Arduino Mega 2560) to wire feed a spool of wire that has a stepper motor already mechanically setup and ready to go. First, the coefficient may change during. They're digital electronics, there's no such thing as. Below is a detailed step-by-step guide you can follow the cold pull process on your Ender 3 to unclog the nozzle: Remove the filament you are currently using from your Ender 3. Not sure if there's a way to have it stop the print completely though. Station 7—Finishing Blow Large shoulder is trimmed forming sharp-cornered hexagon for wrenching. CURA can command heaters to shut down automatically if not used for a period of time which can wreak havoc with your prints. Having said that, I am having trouble with the temperature requirements which I am currently trying to disable. Raise the Z-axis to a level where you have enough space to work comfortably. Check the controls to be sure the fan is running at full power. . For example, 200-220C if you are using the PLA filament. Extrusion is a very popular and multi-faceted manufacturing process. for high speed extruding d. 1 Y20 Z0. Discover the magic of the internet at Imgur, a community powered entertainment destination. Understanding Jams. Extruder Extruder is a device which is used to give shape by pushing material from a specific type of die or orifice. 00, xi=186, y1_i=0) echo: cold extrusion prevented. I noticed on one of my prints that the extruder wasn't working, after it happened again I looked in OctoPrint's terminal to see "cold extrusion prevented". Although high maintenance is required. This striking is accomplished with a punch or ram in a closed cavity. To reduce fatigue and to prevent the die. Plot disapears and it says "Please wait, retrieving current mesh". All the motors work fine, even the extruder motor. The area reduction ratio was calculated to be 47% and 45% in the upper and lower part, respectively. Here, enthusiasts, hobbyists, and professionals gather to discuss, troubleshoot, and explore everything related to 3D printing with the Ender 3. 818 Y78. . Filament is Over. 11:07:10. TFT50 GD v3. I can see the temperature jumping all over the chart. Here is an excerpt of a small portion for an example: ion prevented echo: cold extrusion prevented echo: cold extrusion preve. The dies can be heated (250–300 °C) and peened to prevent minute cracks, possible in cold working. This method for eliminating extrusion issues is also called. After evolution, the optimal. aka "it doesn't work". Under-extrusion is a common problem in 3D printing. @dc42 That doesn't seem to work. Test tool for backward extrusion with a moving sleeve. 1 Today’s sophisticated coldto test the extruder motors I need to set PREVENT_COLD_EXTRUSION_MINTEMP to 20 ° C. The elite retention strategy is selected to prevent the better individuals from being eliminated, the crossover probability is 0. It looks like the extruder may be extruding too much even though I did calibrate the E steps for the extruder. 28th 2016, and it has been working great. 1 Cold extrusionproblems that occur in the blown film extrusion process. To prevent slippage at the point where the punch meets the work, it is preferable to construct the punch’s end such that it is not entirely flat. OctoPrint 1. Closed. Echo: Too Long Extrusion Prevented. Sorted by: 2. Z Homing is successful after a few seconds (My bed is typically lowered all the way away from the nozzle, so it takes. I think I've got a software issue. 3 meters of filament in one shot. Already a subscriber? Continue with the provider and email address you used when you subscribed. Sorted by: 2. The end user thaws and heats the product. Once the cool air stopped, MHK2 took about 6-7 minutes to show the same temperature reading as the ThemPro thermometer. Recv: echo: cold extrusion prevented Recv: ok Send: N128513 G0 F9000 X186. It is using Marlin. " So, I suppose that the software (or the firmware?) doesn't think that the hot end is hot, even though it is. Thisprocess may have impacts on mechanical properties and surface integrity. What am I missing here? 3) Finally, possibly related the the min temp issue above, why is the extruder not extruding while printing?Installed a clean octoprint. 1) notch in filament where gear spins in soft filament. What am I missing here? 3) Finally, possibly related the the min temp issue above, why is the extruder not extruding while printing?Cast Al–Si alloy swarf was cold compacted into billets and successfully profile-extruded into square bars with a rectangular cross-sectional aspect ratio of 1:1. These results indicate that it is feasible to extrude CP-Ti at room temperature following warm ECAP processing, although surface cracking could. The Pi needs an actual Raspberry Pi 5V Power Adapter. Marlin firmware default code has build in protection against extrusion below a certain temperature (usually 170°C) as defined in the printer configuration: // #define PREVENT_COLD_EXTRUSION #define EXTRUDE_MINTEMP 170. Print start:In order to prevent an excessive increase of temperature related to friction, the ram speed was set as low as possible. % TiB 2 in-situ-formed metal matrix composite has been fabricated and subjected to cold extrusion followed by heat treatment as per the guidelines given by the ASTM. cold extrusion prevented. 958 E3512. Your G-code file contains the G28 command to home the printer, as you do not have endstops, execution of this command fails. I will now try this start code to see if it makes a difference: G28 ; home all axes G1 Z5 F5000 ; lift Z by 5mm M565 Z-1 ; set the offset for auto-leveling mechanismproducts from plastic, various snacks, pelmeni, ice cream [26, 28]. 29. Re: Marlin Firmware "cold extrusion prevented" and other Problems March 08, 2012 09:25AM Registered: 11 years ago Posts: 54. It was working great until a few days ago, when a print stopped without any reason and the target temps were set to 0°C. So no need to use M302. Another method involves using acetone to dissolve the PLA. Related. 0. . When you write scripts, you need to know the absolute / relative state of both extrusion and position. Under-Extrusion. Indirect or inverted extrusion does, however, require less force and provides a better quality product, as it minimizes the amountNo. Extrusion is a massive forming procedure, in which the material is liquefied under the effects of high pressure. Introduction1. , without the raw material being heated. It also seems to keep different temperatures as the standby temp depending on how long the chosen nozzle will be inactive. Send: N6431 G1 X130. The issue was the printer refused to extrude filament (the extruder stepper seems to be rocking back and forth) so I went through a few things to try and fix the problem: I leveled the bed properly. I've done all the troubleshooting I can think of. Tab shows a graph of the bed based on stored values. . Based on the three-dimensional finite element model, the residual stress distribution around the cold extrusion internal thread of 42CrMo4. Now lets think about this. Printer is Homing X/Y and rising printbed for homing Z. 952 E84. The fix would be upping the 'EXTRUDE_MAXLENGTH' variable to something above. Try upping your motor current. Right before it quits, I get a series of "echo: cold extrusion prevented" errors, followed by : [ERROR] Failed to set power settings: Traceback (most recent call. 2) Is it possible to eliminate, or adjust, "the cold extrusion prevented" block on manually extruding fil using pronterface? With my setup it almost completely prevents me from manually extruding. The software says 1000mm is too long to extrude and since it doesn't let me enter a new extrusion value, I cannot manually extrude. 2. Also uploading of gcode files and start printing is ok. Warping. That sucks. So starting about a month ago, my printer has started quitting mid print. Plastics extrusion is basically: a. 899 Y102. 98065*84 Recv: echo: cold extrusion prevented Recv: echo: cold extrusion prevented Recv: ok Send: N62063 G1 X159. What am I missing here? 3) Finally, possibly related the the min temp issue above, why is the extruder not extruding while printing?2) Is it possible to eliminate, or adjust, "the cold extrusion prevented" block on manually extruding fil using pronterface? With my setup it almost completely prevents me from manually extruding. Cold extrusion misbehavior #1859. Once you get the best result, stick to it. To prevent casting shape defects, check to make sure the plate pattern mounting and alignment are the same. The material recovery rates for the single- and double-type helical pinion gears increased by approximately 58% and 91. After troubleshooting every bit of hardware on the danged printer. Learn seven easy tips to fix Ender 3 (V2/Pro/S1) under-extrusion. Only users with topic management privileges can. To prevent the seizure in extrusion of aluminium alloy billets, micro pockets are produced by texturing a die surface. In my firmware my Cold Extrusion Prevention temp is set to 170, and I'm printing at a temp of 200C. its for Filament Change plugin - it doesn't work because it blocks the extrude command. 00, xi=187, y1_i=0) echo: cold extrusion prevented xi out of bounds in z_correction_for_y_on_vertical_mesh_line(ry0=0. zip (62. Could you tell me when this will be fixed, or better yet, send an. . allows cold extrusion, but that only works if filament is not glued to extruder. 1. and pipe, which can be prevented during the die design phase. By "2018-05-21 15:43:13,670" the temperature has reached the fatal 170C threshold of plasticity and the failsafe kicks in. We’ll start by. If the printer is powered, check if the heated bed thermistor is still in place. M500 marlin. The versatility of cold extrusion lies in the possibility of forming any powder materials. 48 Y53. Inspect and replace any defective molds before casting . The Pi needs an actual Raspberry Pi 5V Power Adapter. what should the temp graph look like? Overkill is underrated!!! 6 Reply by ITman496 2014-01-14 04:40:08. Due to its mineral-binding capacity, IP6 has been linked with other beneficial health effects, such as the prevention of kidney stone formation, the prevention of cavities and plaque in teeth and protection from demineralization. Fix the actual problem, which is that Marlin has a safety feature to protect the extruder and hotend by preventing extrusion when the temperature is below a certain margin. Hi, I was referred to this forum with my problem. Learn seven easy tips to fix Ender 3 (V2/Pro/S1) under-extrusion. My bed is wobbly or I can rock my bed up and down by hand. 61 Kcal per lb. 2) Is it possible to eliminate, or adjust, "the cold extrusion prevented" block on manually extruding fil using pronterface? With my setup it almost completely prevents me from manually extruding. What. Under-extrusion is a common problem in 3D printing. 2) Is it possible to eliminate, or adjust, "the cold extrusion prevented" block on manually extruding fil using pronterface? With my setup it almost completely prevents me from manually extruding. Perhaps lower temps could damage the extruder because it won't be able to feed the filament fast enough it isnt. Filament retracting when you think it should be extruding is a classic sign of a relative / absolute extruder setting ( M83 / M82) mismatch. if you know what might be the issue please tell me. Hello @brightspark! The bed does not heat up so the the thermal runaway protction hits. Unfortunately i still had the same "echo: too long extrusion prevented" followed by brief pause in filament extrusion and a subsequent snapping of the filament from the extruder. Arentoft M, Wanheim T (1997) The basis for a design support system to prevent defects in forging. cpp. What am I missing here? 3) Finally, possibly related the the min temp issue above, why is the extruder not extruding while printing?A numerical algorithm based on the element deletion method and rigid-viscoplastic finite element approach depending on Cockcroft-Latham and specific plastic work fracture criteria was applied to predict formation and evolution of possible cracking in a cold extrusion of aluminum and steel alloys. Recv: ok Send: N13675 G1 X114. Reply Quote. Clean the Nozzle. 0. Brought to you with lack of and lots of . Cold upsetting is equivalent to a branch of cold extrusion. . 893 Y64. 3. The final stress state is determined by the combination of two process stages: forming and ejection. By the rough die surface produced by grinding shown in Fig. 4) soft filament bunches in open area. I have issues with extrusion after replacing the bowden tube. mydogjustice. Filament retracting when you think it should be extruding is a classic sign of a relative / absolute extruder setting ( M83 / M82) mismatch. ) I cannot get my extruder motor to rotate for anything. Re: Marlin Firmware "cold extrusion prevented" and other Problems In Slic3r, to have manual control over the temperature, set Temperature = 0 in "Printer and Filament" settings. I looked at my log and it was inconclusive. Recv: echo: cold extrusion prevented Recv: ok Send: N245954 G1 X71. gudnimg changed the title [ENHANCEMENT] Allow bypassing PREVENT_LENGTHY_EXTRUDE similar to cold extrusion [ENHANCEMENT] Allow bypassing PREVENT_LENGTHY_EXTRUDE. When I run a print, sliced on Sli3r, I am getting cold extrusion prevented errors. The cold pull method makes use of a long strand of filament and variable temperature changes in order to unclog or clean your Ender 3 nozzle. You've helped in the past and I've been having another problem with the r1+. In addition, it is possible to use alternative processes to preventBusiness, Economics, and Finance. 01667*83 Recv: start Printer sent 'start' while printing. I may try bumping up the temp on my PLA print a few degrees as well. 975 E0. 05418*84 Recv: echo: cold extrusion prevented Is it possible that during the pause, the temperature drops, and when it resumes, the firmware detects that it's gotten too cold so it refuses to extrude? On the interface of the Ender 3, navigate to the Prepare, Move Axis, and Extruder menus, respectively. Posted by MarK8 . Better than mucking with firmware when calibrating. The advantages of this over hot extrusion are the lack of oxidation, higher strength due to cold working, closer tolerances, better surface finish, and fast extrusion speeds if the material is subject to hot shortness. Parts have constant cross-section Typical Products of Extrusion – Sliding Doors, tubing having various cross-sections, structural and architectural shapes and door and window frames. Complete Logs. I just received Snapmaker 350 and I have a big issue : the extruder gear is not working.