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Questions tagged [hotend]

Questions about the standard extrusion mechanism found in FDM/FFF printers.

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M301 command no response on Monoprice Select

I am trying to implement new PID values to try and solve a heat creep issue. The Marlin command M301 and M304 do not get a ...
Simon Kozik's user avatar
1 vote
1 answer
33 views

Hotend temperature climbs past set value

I have an old HBOT printer (now they call themselves Zmorph). I had to replace the old hotend. From the looks of it, what I need is a J-head MkV type nozzle (from RepRap wiki). I've bought and put ...
Piotrekdoro's user avatar
2 votes
2 answers
96 views

Why do hotends have heat sinks?

I do not understand what purpose the entire heat sink area serves. Obviously, it is to prevent the heat from the heater block from creeping up and melting the filament inside of the heat sink and ...
Sujal Singh's user avatar
4 votes
1 answer
142 views

Creality Sprite Pro Immediately starts heating hotend on startup

My Setup Ender 3 Pro Creality Board v4.2.7 Klipper Firmware (worked great with the stock Creality Bowden hotend and Creality Direct Drive Extruder) Brand new Creality Sprite Pro hotend. Wiring I ...
RQDQ's user avatar
  • 171
2 votes
1 answer
69 views

Is an e3D hotend with 3 mm filament diameter still compatible with 1.75 mm filament?

I am looking to buy a low priced 3 mm e3D all-metal v6 hot end. It says 3 mm, however I am wondering if I could make it compatible 1.75 mm if I just get a different Bowden tube and Bowden clip. Is an ...
X Builder's user avatar
  • 405
1 vote
1 answer
152 views

Can I use PT1000 thermistor on my Prusa mk3s+ without installing Klipper on it?

I recently bought a High-Precision (400 °C) Revo Hotside with the intention to use it on my upcoming Voron. In the meantime, I wanted to give it a go and use it on my Prusa, if for nothing else, then ...
Mołot's user avatar
  • 882
3 votes
2 answers
153 views

How often should you change out your hot end heating element?

I was recently trying to heat my hot end to 250° C to try and get PETG to stop stringing. When I did this, I realized after about 10 minutes of waiting that it never quite got there. It would only get ...
Pᴀᴜʟsᴛᴇʀ2's user avatar
3 votes
3 answers
112 views

How to secure silicone sleeve to my heater block?

My silicone sleeve dislodged from the heater block. Surprisingly, Prusa firmware correctly detected crash, pushed it out of the way and resumed print. I can just print without it, but I would prefer ...
Mołot's user avatar
  • 882
5 votes
1 answer
63 views

What material is Prusa mk3s+ hotend heaterblock made of?

My heaterblock is in a poor state after the heater malfunction. Before I'll buy a spare, I want to ask what material is the original block made of? I don't see it on the product page. Available spares ...
Mołot's user avatar
  • 882
-1 votes
1 answer
90 views

Anycubic printer gives a "hotend not heating up" error

I just bought an Anycubic 3D printer and after a few uses the screen on the printer would say "hotend not heating up". The heat bed and hotend would not heat up all the way and would cool ...
Dartless08's user avatar
0 votes
1 answer
66 views

Changing axial fan on CR-10 smart caused temp fluctuation/heat creep

Printer: Creality CR-10 Smart Slicer: Cura My axial fan, which cools the heatsink, broke down. I replaced it with a cheap knock-off fan, as it was the only option available. However, this replacement ...
Ahmad Magrabi's user avatar
0 votes
0 answers
32 views

Anet A6: known hotend problems?

I've got an Anet A6, modified with bed-leveling sensor etc., which has given me good service for several years. I'm not in a position to spend lots of money on anything fancier, since at present at ...
Mark Morgan Lloyd's user avatar
8 votes
2 answers
1k views

How do I remove filament from the hotend of a direct-drive printer?

I have PrintrBot Simple Metal and over the course of today's use, I managed to get a piece of filament stuck in the hotend, just below the extruder gear. There's not really much to grab at, and my ...
TheTridentGuy supports Ukraine's user avatar
2 votes
1 answer
177 views

Print failure due to heater inconsistency

After encountering an issue where the original heater cartridge (~40 W) for my generic MK6 hotend was unable to reach/maintain stable temperature at ~260 °C (for PETG) I replaced it with a higher ...
Mandias's user avatar
  • 195
2 votes
2 answers
428 views

Diagnosing sudden problem with hotend temperature

I'm using a 65W heater cartridge and T-D500 type NTC thermistor. This setup has been working fine since I installed it sometime last year. Suddenly today, the temperature reading started jumping ...
R.. GitHub STOP HELPING ICE's user avatar
1 vote
1 answer
254 views

Ultimaker 2 Go - Converting to Use 1.75 mm Filament

I'm working on converting an Ultimaker 2 Go to use 1.75 mm filament. So far, I have replaced the bowden tube, replaced the feeder with this one: https://www.youmagine.com/designs/alternative-feeder-1-...
Gart Hondo's user avatar
3 votes
1 answer
194 views

What is the practical difference between different nozzle tip shapes?

Sooooo, I'm shopping for nozzles (E3Dv6 flavor), and there seems to be several shapes available, differing mainly (or even exclusively) in the size and shape of the cone coming down to the exit ...
FlashCactus's user avatar
1 vote
0 answers
44 views

Creality Ender 3 Pro 3D Printer

I have an Ender 3 Pro with 4.2.2 controller board and BLTouch fitted, currently running Marlin Bugfix 2.0 firmware. I needed to fit a new printer hot end and thermistor, but now the temperature is ...
Champ 54's user avatar
-1 votes
2 answers
5k views

New Ender 3 V2 Neo keeps losing nozzle and plate temperature in the middle of the print and must be turned off to stop the print

I purchased it new from Amazon in December. It started about one week ago and it just stops with a constant beep and does not allow me to do anything else except turn it off. Doesn't happen on all ...
William Richard Cordero's user avatar
2 votes
0 answers
54 views

Installing a temperature probe... what kind of adhesive to use?

I am trying to install a new Dragonfly hotend on my Ender 3. I bought some epoxy which advertised high thermal conductivity, but I've found it difficult to use. It was thick, so it was very hard for ...
user1833028's user avatar
1 vote
0 answers
342 views

Printer hotend heating slowly and faulting

I have a CR-10max that is about 3 years old and can no longer print due to hot end faults. The hot end starts ramping up temperature but is unable to get past 150 °C, unless I turn off the hotend fan ...
Feynman137's user avatar
2 votes
1 answer
481 views

Why do we change E-steps based on the hotend?

I know why and can understand the logic of changing E-steps for a new extruder- obviously it is related to the number of turns of the stepper. What I don't understand is how the hotend could alter the ...
benram14159's user avatar
1 vote
1 answer
56 views

Missed hotend's thoat depth during install, is it too bad?

I replaced my hotend's thoat and I made a mistake I hope it's not fatal for the new install. After reassembling the hotend I left a marging of about 5mm of the throat out of the heatsink. I noticed ...
Luis GG's user avatar
  • 73
0 votes
0 answers
55 views

Prusa i3 MK8 can't achieve required temperature

I've just installed a new 12 V hotend for my Prusa i3 MK8. So, now the new hotend can't achieve temperatures above 190-200 °C and it takes about 30 minutes to achieve 200 °C. The thermistor and ...
Антон Буланча's user avatar
3 votes
2 answers
59 views

Is a thermoplastic's glass state relevant for 3D printing extrusion?

From my understanding of FFF 3D printing, the glass state is usually used to heat the bed for better first layer adhesion. Other than that, does the extruder keep ex:PLA in a glass state for any ...
Andi Iacob's user avatar
3 votes
1 answer
279 views

Using 40W adapter on 30W heater cartridge?

Recently, I accidentally shorted out my heater cartridge when trying to do my first nozzle swap on my Prusa MK3S+. I just ordered a new E3D v6 Hotend with 30 W Heater Cartridge and it will be here in ...
3DCoded's user avatar
  • 93
4 votes
2 answers
763 views

Changing a teflon tube inside a hotend, help with disassembly

I have an HBot 3D 1.1 printer (it's a CoreXY style printer, newer versions are produced by ZMorph). I think that a filament guide tube inside the hotend got damaged, resulting in decreased diameter, ...
Piotrekdoro's user avatar
0 votes
1 answer
885 views

Creality CR-6 SE heatblock replacement

Recently I broke the threads inside the heatblock of my CR-6 SE by tightening the nozzle too much (it seemed not deep enough). No problem - bought a new hotend extruder kit for around 35 euros. I put ...
nioerd's user avatar
  • 13
1 vote
0 answers
945 views

Pros and cons of the two(+?) kinds of bimetal heatbreaks

I just replaced my PTFE-lined heatbreak with a Slice Engineering Copperhead, and am mostly happy with the results, but in the process of buying it and learning not to jam it, I came across with ...
R.. GitHub STOP HELPING ICE's user avatar
2 votes
2 answers
627 views

Are there any nozzles shorter than volcano but longer than MK8?

I have a semi-diy hotend setup on my MOOZ-2 (an obscure chinese printer). It requires that the total nozzle length (including threading) is longer than 15 mm. So far, I've been using Volcano nozzles ...
Rafael's user avatar
  • 318
1 vote
1 answer
201 views

PID fails too hot temperature with new hotend on Tevo Tornado

I am new to 3D printing. I had a big issue with the full hotend: thermocouple broke, the fan broke, plastic everywhere... (I don't really know why as hundreds of prints were good before) Anyway, I ...
saphozzo's user avatar
2 votes
1 answer
190 views

Hotend melting mount

I have an old custom 3D printer that I bought a new hotend for since the old one broke, and apparently, I made a mistake. The old hotend had insulation on it that prevented it from melting the ...
Tomer Amir's user avatar
2 votes
1 answer
518 views

Program Creality v2.2 board to use HEATER1 transistor for HEATER0

My CR10-S5 with Creality v2.2 mainboard recently suffered from the hotend heater transistor (MOSFET) failing short. After taking a look at the board, I tried to be clever and use the ...
user33578's user avatar
-1 votes
1 answer
874 views

Hot end temperature keeps dropping on my Creality CR-10 S4

I have a Creality CR-10 S4. What causes a "runaway please reset"? I changed the heating element and the thermistor. When I heat the hot end, the temperature drops down to about 165 °C and I ...
Terry Belt's user avatar
2 votes
0 answers
222 views

Anycubic i3 Mega layers don't stick together/are too thin

My Anycubic i3 Mega suddenly stopped printing properly. As you can see on the images attached, the printed filament seems to be too thin which causes the layers to not stick together. I already: ...
Michael Brown's user avatar
3 votes
2 answers
3k views

Ender 3 hot end heater "stuck on"

Forgive this long-winded post, but I thought it would be helpful to include the back story leading up to a very scary situation on my Ender 3. I was printing a job and everything started out fine just ...
Steve In CO's user avatar
3 votes
3 answers
3k views

Filament Jamming in Hotend. Why?

This has me stumped. I had been printing normally until this happened. Below is an expurgated version of my headache over two days. Some help would be appreciated. Printer is Hypercube Evolution (...
Ramblin' Sid Rumpo's user avatar
6 votes
1 answer
14k views

When do you need a silicone sock? What problem does it solve?

I'm returning to 3d printing and there's all sorts of new things going on. One of which is a silicone sock. I suspect it's part of the engineering where you want to keep certain parts hot, and ...
YetAnotherRandomUser's user avatar
1 vote
3 answers
137 views

How do I make the layers stick together more and warp less?

I have a Chiron from Anycubic and I have had some leveling issues in the last few weeks, however, I believe that I have sorted that. The layers attached to the base plate or the raft now come out very ...
Guy Turner's user avatar
1 vote
1 answer
3k views

K-Thermistor vs Ender 3 Stock Thermistor: Problem with bad reads

I have changed my hotend on my Ender 3 v2 with Dragonfly BMS. In effect, because I wanted to reach higher temperatures, I also changed the thermistor with one that is 3mm wide and does not have the ...
bem22's user avatar
  • 181
3 votes
2 answers
725 views

Does abrasive filament require a special hotend?

I know that you need a special nozzle to extrude abrasive filament (carbon fibre, copper, ...). I do have such a nozzle (coated steel) and am printing carbon fibre and copper filament. Last time I ...
Yanick Salzmann's user avatar
0 votes
2 answers
347 views

OctoPrint suddenly no longer able to heat up hot end / extruder

My OctPrint and Monoprice Maker Select IIIP (A Wanhao i3 Duplicator Plus clone) were working fine, but suddenly today the hot end won't heat up anymore. I tried disconnecting the OctoPrint USB and ...
David Ljung Madison Stellar's user avatar
0 votes
1 answer
120 views

Alunar Prusa i3 hot end replacement options

I had a print fail a while back and the filament covered the hot end. I attempted to replace the nozzle to fix the no filament issue but it looks like the unit has a cheap Chinese heater block that I ...
Kendrick's user avatar
  • 179
3 votes
1 answer
827 views

Anycubic i3 Mega no fans

I am having a bit of a nightmare trying to work out what is happening to the fans on my Mega Pro. First off, the part cooling fan stopped working, then not long after the extruder fan also stopped ...
PsychoMo's user avatar
  • 141
1 vote
2 answers
141 views

Hotend temperature goes to infinity after few layers

I have a "classic" home built 3D printer, Arduino Mega, RAMPS 1.4 with Marlin 2.0. It worked, was put in storage, and now I am trying to get it running again. During all of the testing ...
HerGiz's user avatar
  • 121
2 votes
1 answer
12k views

How to define bed dimensions in Marlin for custom carriage / hot end?

How would I begin measuring my hotend / carriage dimensions in Marlin to prevent my hotend from slamming into the frame? I see in Marlin the 'define bed size' parameters ...
adriano vella's user avatar
3 votes
0 answers
222 views

Silicone socks for nozzle only?

Is there a readily available silicone sock that goes just over the nozzle, to supplement an existing sock around the heat block body? I've seen a product for the E3D V6 that goes around the entire ...
R.. GitHub STOP HELPING ICE's user avatar
0 votes
1 answer
92 views

I think my extruder is hosed

I put a new glass bed on my Ender 3. After playing with the baby-steps and bed temperature I thought I had it ready to go. I started to print some rocket kits for the Cub Scouts and the job didn't ...
Mark's user avatar
  • 1
1 vote
1 answer
821 views

3D printer clog. Nozzle keeps getting screwed in crooked

My 3D printer has got a clog, and i think it is because the nozzle hole has just recently started to only screw in crooked. I’m not sure how this happened. I have tried with multiple nozzles, but ...
X Builder's user avatar
  • 405
1 vote
2 answers
313 views

Hotends where heatbreak is not load-bearing?

Having started with an Ender 3, it just seemed natural to me that the heatbreak should not be load-bearing; Creality's stock hotend has 2 bolts holding the heat block to the heat sink, which of course ...
R.. GitHub STOP HELPING ICE's user avatar