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Cr10 stops extruding mid print

by Darchemallow

So i have been having problems with my cr10 and it wants to stop extruding about halfway through the print. What I have noticed is that when it stops extruding the filament is ground away so the extruder cant grab onto it and push it through. The motor isnt skipping steps or anything it just stops extruding. I am using the latest Cura with .1 initial layer height and .2 for all other layers at 40mm/s I have tried slowing down the extruder and it doesnt help. I am printing at 215-225C

CR10 extruder Help
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Nozzle Removal Issue

by Pile_of_Plastic

I am planning on making a nozzle upgrade, and preemptively removing the stock nozzle that came attached to the printer, but can't get it to move
I have already:
• Preheated to 210°C
• Supported the heat block with a wrench in order not to break the device
• Cold pulled three times in order to prevent sticking
•Turned the nozzle clockwise

No matter what I do, it either will to move, or in some cases skip itself while trying to remove it. It may be the wrench I'm using (also came with the printer), but any help is beneficial, and thank you in advance.

Edit: I have come to the conclusion that it is the type of wrench that I am using. Thank you once again to anyone who commented.

extruder Help
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Heater block full of PLA

by ToothbrushWisdom

Hey fellas,
During a print i get a ton of melted plastic on my heating block.
at some point it also gets on the print so i can throw it away...
See for yourself in the Picture! I don't know where this comes from...

Has anybody experienced that and knows what to do?
I have already cleaned the whole thing and got a new nozzle...
I have a Cr-10 :)

Cheers and Merry Christmas :)

extruder Help
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og CR-10 acting weird with TPU-like really really wierd

by Coolcrawler_

I got a roll of TPU last year and have been printing it almost every day since. I have never had any problems with it ever. Around Friday night (10/9/18) I was printing with it, and the print got super stringy and stopped extruding. I just assumed that the nozzle got clogged, so I replaced it, and the same thing happened. I tried printing with PLA, and it worked perfectly. When attempting to print with TPU, I looked and saw no bunching whatsoever. I ended up taking the nozzle off completely, tried pushing the TPU by hand, and it would not come out of the Hotend. But, when tried with PLA, it pushed out just fine. I assume that the TPU is getting caught on something, but I don't understand what it could be because it printed so much before and also half of a print before this happened. Can someone help me?

clip CR-10 extruder helpful TPU
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CR-10 Extruder replacement?

by chaseb413

I am wondering if it is possible for me to replace my current extruder head and nozzle with a different model, like an E3D volcano end or an E3D v6 extruder? if this has already been discussed then please redirect me to that in a reply.

E3D_v6 extruder nozzle
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og CR-10 acting weird with TPU-like really really wierd

by Coolcrawler_

I got a roll of TPU last year and have been printing it almost every day since. I have never had any problems with it ever. Around Friday night (10/9/18) I was printing with it, and the print got super stringy and stopped extruding. I just assumed that the nozzle got clogged, so I replaced it, and the same thing happened. I tried printing with PLA, and it worked perfectly. When attempting to print with TPU, I looked and saw no bunching whatsoever. I ended up taking the nozzle off completely, tried pushing the TPU by hand, and it would not come out of the Hotend. But, when tried with PLA, it pushed out just fine. I assume that the TPU is getting caught on something, but I don't understand what it could be because it printed so much before and also half of a print before this happened.

clip CR-10 extruder helpful TPU
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E-steps vs extrusion multiplier

by Rapsey

I've been using my CR-10S S4 for a number of months now, but I'd never calibrated the E-steps before so I decided to give that a go. I assume until now I've been using the firmware default value (TH3D latest version). With this I was getting good results with default slicer settings (S3D, 0.4mm width, 1.00 multiplier). My original E-steps were set to 93.00 and my filament diameter is set to 1.75mm (measured 1.72 - 1.78).

So I fed 100mm of filament via the control box (low speed) and measured how much went into the extruder. Only 86mm. Some quick maths gets me to a new E-steps value of 108.14. With that I extrude another 110mm and this time measure 108mm, giving me a final E-steps value of 110.14.

With this new E-steps value (and 1.00 multiplier) I was overextruding so much it caused severe issues. The walls that did print were 0.5mm wide so I dropped the extrusion multiplier to 0.80 and now I get perfect 0.4mm walls again.

So now I'm wondering, did I actually do the right thing by doing this? It kinda feels like I just misconfigured my printer and then used the multiplier to compensate for it. I don't really understand why I need to adjust the multiplier so much considering I measured the filament going in.

calibration extruder multiplier
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extruder skipping steps

by Darchemallow

I started a topic similar to this about a month ago but the problem of my extruder skipping steps has returned and I tried many different solutions
switching nozzles
decreasing print speed (tried a range from 20mm/s all the way to 60mm/s)
switching filament
cold pull
switching stepper motors.
Increasing temperature(currrently printing around 210-220)

However the problem still occurs and I cant seem to fix it.

CR10 CR10_Printer Creality_cr10 extruder Help
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Brim and layering problem?

by Cal_El

I have a CR-10 and been pulling my hair out trying to figure out what is going wrong. It seems to be under extruding, I've gotten a couple of decent prints out of but they all have random issues. The only common factor here is a new roll of filament (matterhackers PLA white, 1.75). I have read about possible issues and tried many fixes, but the issue persists and seems to be getting worse? I have repeatedly leveled my bed, cleaned nozzle, swapped nozzle and Bowden tube, loosened and retightened my nozzle belt, cleaned glass and still nothing. I'm using cura 3.3.1, default settings atm. Could it all be the filament? Please help!

brim extruder filament Help
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Weird pattern on the bottom of my prints.

by Alec_0117

I recently got a CR-10 3-D printer for Christmas and it worked great out of the box. after a few days I did a couple of the common mods, like adding dampers on the x and y axis stepper motors and installed a new exhaust fan to help with the noise. The printer still ran great for days after that, but then two days ago I started to get a weird pattern on the bottom of all my prints. It looks like it switches between printing normally and then basically not extruding so I end up with this weird stripped pattern on the bottom layer of my prints and then they fail pretty shortly after that because its just printing on air half the time. I have been looking all over for a fix for this or someone with a similar problem but cant seem to find anything. I am going to link pictures of a few of the prints and maybe a video of it happening below. Please help me if you have any idea what is going on and why.

3d_printer bowden_extruder CR-10 extruder first_layer Heated_Bed Help printer_problems problem
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Extruder Motor not Receiving power

by troyrobillos

Hello All,
I unboxed my CR-10s and am having an issue. It seems that the power going to the extruder stepper motor is not working. I can move in the X, Y, and Z axis using the control box. So, the power going to those stepper motors is working. To test the power going to the extruder stepper motor, I plugged the X axis power to the extruder and can move the motor using the control box. However, when I plug back the power that is for the extruder, I can no longer get any movement on the extruder stepper motor. Anyone have any ideas?

extruder power
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