Questions tagged [prusa-i3]

The Prusa i3 is the third iteration of Josef Průša's RepRap 3D printer design. This is an open-source design, the tag should be used regardless of individual manufacturer. You might want to add the specific manufacturer or model as a separate tag.

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25 views

Distinguish i3 MK3 from i3 MK3S

I have a Prusa i3 MK3 or maybe it was upgraded to a i3 MK3S. How can I figure out? The description of the upgrade kit talks about the SuperPINDA (how is it different from the old one?) a number of ...
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2answers
202 views

Is enclosure without ventilation enough to keep VOC's and printer fumes from leaking into my room?

I am currently in the look for a 3D printer and one major issue I find it the fumes/VOCs that printing can emit. I am not planning to do ABS or similar but I've read from studies that PLA also may ...
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2answers
57 views

Prusa MK3S not extruding during printing but extruder working

I didn't have any printer-related problem for the past 6 months, but now all of a sudden my Prusa MK3S stopped extruding during printing. This is very strange as I can easily load\unload filament and ...
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1answer
52 views

Can a Prusa be converted to IDEX?

I have a Prusa i3 Mk3s with an MMU2s on it. And to be frank, as far as the MMU goes, I have not had much luck with it. I've seen people print amazing MMU prints and it works great for them, but I ...
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4answers
90 views

Z-Axis on a winch

In Prusa i3 clones the Z axis is often problematic. Mechanically unsynchronized dual Z axises which are driven by the same stepper driver easily misalign. Using only one Z motor makes the whole gantry ...
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0answers
23 views

Print stops midway and extruder collides with the frame while printer display appears frozen

I have a strange problem with my Hictop Prusa i3 printer. Recently almost all my prints fail midway (even small prints that were successful in the past). At some random location and time, the x and y ...
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0answers
44 views

Horrid issues with printing with Anet A6?8?

I just recently got a printer, supposed to be a Prusa i3 Reprap clone. It came with Repetier firmware on it, and its previous owner had no idea about any calibration. I calibrated X-, Y-, and Z-axis ...
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2answers
52 views

Which connector should I use between the power supply and the Einsy board?

I am looking for a way to easily separate the wires between the power supply and the Einsy board of my Prusa Mk 3S+ with a connector. The power supply delivers 10 A at 24 V. I thought about a YL wire-...
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1answer
83 views

How to unload filament without cancelling print

I have a Prusa MK3s MMU2s which I was running a 7-hour print job on. It had two spools of filament in, a blue one (primary, very little left) and a gold one (secondary, quite a lot left). It ran out ...
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3answers
75 views

Prusa MK3 heatbed shorted: replace just Einsy or heatbed too?

Prusa MK3 heatbed power cable shorted out (on the Einsy side) and it looks like I need to replace the Einsy. Should I replace the heatbed too? I don’t know electronics well and am worried I will just ...
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1answer
59 views

Is it better use Nylon fillement for cold pull even if I have been using PLA?

Using Prusa I3 MK3S I am using PLA fillement and I need to do cold pull from time to time. I noticed many people on Internet suggestusing Nylon fillement for clod pull. I wanted to reach out to this ...
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1answer
61 views

Sudden deterioration of print quality on Prusa i3MK3S+

I've had my Prusa i3MK3S+ for a couple of months now, and done 100+ prints, and other than a few issues with first layer adhesion (which are pretty much solved now), have been getting consistently ...
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3answers
91 views

Ideas to tune for 300 % speed

I am using PLA and I am looking for ideas on using the Tune option to tune my Prusa i3 MK3 to increase the speed to 300 %. The 300 % speed works perfectly fine for ...
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1answer
40 views

Can I use Creality bed on Prusa MK3S?

I need a Prusa MK3S smooth bed and I am not able to get it unless I wait for a few month. But I can have a ...
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2answers
37 views

Help fixing Prusa i3 MK3 print jams

While printing a paint rack from thingiverse I keep getting jams. Other prints (shorter) work fine. Can anyone give me a clue? Here's a video of the printer I thought it was heat creep so I increased ...
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1answer
31 views

Where to find “Heat deflection temperature” , “Impact resistance Charpy” and “Tensile strength” for a specific brand Filament PLA?

I have an MK3S 3D printer, and I use this table as a reference on how to tune my printer for a specific Filament brand. https://help.prusa3d.com/en/materials I am trying to find a few missing ...
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0answers
39 views

Adjusting extruder

Since I have some problems with printing I wanted to try to adjust my extruder esteps. While changing the esteps I noticed that the value has almost no impact. My default setting was 93 and the ...
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1answer
192 views

Prusa MK3S Y-skewed prints

My prints have recently started to come out with a serious skew along the Y axis. This occurs regardless of printing parameters such as speed/acceleration. I don't know the exact cause yet, can ...
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2answers
348 views

MINTEMP BED Fixed error when running consecutive print

I am using "Pretty PETG" along with PrusaSlicer's consecutive print mode. What I am noticing is that upon finishing the first print, the printer hits ...
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1answer
194 views

What type of plug is this?

I'm not really sure what the type of plug on the heater cable is. Is it a Molex KK or maybe a JST PH? The printer is a Prusa I3 Hephestos (aka BQ Hephestos). It came with this "BQ HOT-END ...
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2answers
659 views

PETG grinding with direct drive extruder

I've been wrestling with a filament grinding problem for a few weeks now and I'm stuck. The problem manifests itself as starting a print alright then extrusion stops while the printer keeps moving. ...
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0answers
155 views

Can't manage to force my print to standby while I insert a nut - Prusa Slicer and Tronxy XY2 pro

I use the Prusa Slicer on a Tronxy XY-2 pro which I believe uses RepRap firmware. I believe it uses RepRap firmware because I had to input it into the Prusa Slicer initialization questions, but I'm ...
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3answers
174 views

Under extrusion

I have a Prusa i3 3D printer and am using Slic3r for slicing. I've noticed that my extruder is underextruding. I've correctly set the nozzle diameter and the filament diameter and I've already tried ...
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0answers
49 views

Print quality ruined after firmware update i3 mk3

I'll try to give as much detail as I know here but let me know if there is anything missing. I have a Prusa i3 MK3 that I got in about 2018 and it was working perfectly fine. Print quality was pretty ...
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1answer
141 views

Ringing with Ultimakers, what is the cause?

At my work, we have 3x Ultimaker 2+, 1x Ultimaker 3 and 1x PRUSA i3 mk3s. The Ultimakers have been used quite a lot for the past three years, but the belts and bearings seem ok. I got heavy ringing ...
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3answers
2k views

3D Printed Sphere, How to Remove Roughness

I have a model of an eye that I custom made in Blender 2.83 that when printed only creates roughness on the printed object near where I had the supports. The supports are not the cause of the ...
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2answers
327 views

Mesh bed levelling does not update any more after MemoryError

I have had issues with printing on my i3 MK3, especially when it came to the first layer. In March 2020, I have installed the Prusa Mesh Leveling plugin for Octoprint. With that plugin and a Nylock ...
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2answers
2k views

How to solve burnt blobs on Prusa MK3S (PETG)?

As stated above, I am trying to solve a problem I've had for a long time. Unfortunately, this has recently intensified to the point where it causes layer splitting/detaching from each other. I have ...
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1answer
41 views

Can't print the top part of a circle

I'm trying to print the painter's tripod from this tutorial: I can't get it to finish the print. It always fails towards the top when it's closing the circles. I've tried brims and even glue for ...
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1answer
34 views

CTC i3 Y-axis thin / no filament deposition

I have this CTC i3 printer; when I print square test prints, as it moves along the Y-axis back to zero (front). It extrudes lines but very thin or none at all. But opposite direction along the Y axis ...
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1answer
228 views

How to check if filament sensor is ok?

The filament sensor of my i3 MK3 stopped working. In the support menu, it just says IR: N/A. This is the same output as if I disconnect the filament sensor. My PCB ...
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0answers
37 views

ETA for print job showing negative in Repetier host

I'm using Repetier host 1.0.6, and ever since adding default retraction settings, the "ETA" showing during a print job is negative: It stays this way throughout the print job, which is no fun, since ...
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2answers
138 views

Issues with print Prusa i3 infill breaking and causing clogs

I'm having some issues with my Prusa i3 prints. I'm trying to print the default beer opener print that came with the Prusa's memory card but the infill will break causing clogging and now allowing the ...
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1answer
239 views

Prusa MK3S weird 'Blobs' on PLA print surface

This is the first time I've run into this problem and it seems very confusing. I wanted to print a simple functional part out of PLA and although the first few layers were fine, the 6th/7th layer ...
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0answers
70 views

Prusa MK3S Nylon&ABS print failures

I'm using Prusa i3 MK3S and every time I want to create a durable, impact resistant part, I use ABS/Nylon. The problem is, however, that when I print something small (of less than 1 cm width for ...
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1answer
300 views

Prusa i3 MK2 Heated Bed Thermal Runaway Problems

I'm having an issue with my Prusa i3 MK2 MMU. It starts printing just fine, and everything gets up to operating temp quite quickly. However, after printing the first few layers, it seems as if the ...
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3answers
3k views

PRUSA likes the bed to be cleaned with isopropyl alcohol. What else should I use?

I have the original Prusa i3m3 printer. Prusa recommends cleaning the bed before each print with isopropanol (isopropyl alcohol), with only occasional cleaning with acetone. The textured bed ...
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0answers
30 views

Printer places prints off the bed after change in bed Z-probe area settings [duplicate]

I really don't know what I am doing wrong. Since changing my bed level sensor from left of the extruder to back mount, it doesn't work proper anymore and I have some fundamental thing I don´t ...
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1answer
87 views

My Z-axis is limited to 15 mm at height [closed]

I have a Prusa i3 and I have a problem concerning my Z axis. It stops at 15 mm even the object to print is more than this. Can you, please, help me to solve this problem.
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0answers
50 views

Help needed implementing Bear Upgrade

I am attempting to build a 3D printer using the Bear Upgrade for guidance. In this moment, I am implementing the X-Axis. The X_end_idler consist in two parts, the idler and the belt tensioner, as you ...
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1answer
576 views

How do you call the Z-axis mechanism in a Cartesian 3D Printer?

How do you call the mechanism that allows linear motion along the Z-axis in a Cartesian 3D Printer? I know what the individual parts are; it is a lead screw, a smooth rod ... but how do you call the ...
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1answer
4k views

Filament spreading apart and stringy on first layer

I keep having this issue on prints where the first layer has stringy lines that don't stick together. I've tried the following things Replaced nozzle and throat Used new filament (to rule out ...
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1answer
239 views

E3D V6 nozzle seized into heater block

The 0.4 mm brass nozzle in my Prusa i3 MK3 is worn out - the extrusion hole is visibly larger than the replacement nozzles I have to fit. So I’m trying to replace the nozzle. Unfortunately the ...
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0answers
74 views

Shell detaches from the rest of the part

I'm printing with a Prusa MK3, with the following settings: 3 perimeters 50 % infill infill overlap: 50 % The filament is Polyalchemy emerald green (PLA). Nozzle temperature: 210 °C. ...
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4answers
791 views

Smallest dot/dot indent for Prusa MK3S using PLA

I want to make a project involving many small dots indents and I would like to know how I can calculate the smallest dot hole the Prusa i3 MK3S can extrude around on a layer using PLA. In other words, ...
4
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1answer
372 views

Clearance between moving parts

I am using a Prusa printer to print parts for prototyping. The project I am currently working on needs parts to be able to slide against each other and they need to be printed together. A bit like ...
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4answers
1k views

First layer looks weird and print fails

Update below Printed 650 of these tokens, no problem. Then all of a sudden I can't get them to stick and the first layer looks wavy and weird. After a few tokens it knocks one loose and the whole ...
3
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1answer
882 views

Prusa i3 mk3 step skipping and layer shifting

After approx. a year of more or less problem-free printing (40 days print time) with Prusa i3 mk3 kit, we started to suffer the random layer shifting on Y axis. We inspected all the motor connectors ...
3
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1answer
1k views

Setting up UBL for the first time on Marlin 2.x on a Prusa i3, how often should I level the bed using G29?

I used to use the Marlin 1.x software that would level the bed by probing the 4 corners of my print bed (a long time ago, it's been at least 2 years since I used my printer, wasn't able to set it up ...
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0answers
74 views

Marlin 2.0 Firmware temperature jumping on LCD when trying to configure UBL

Flashed Marlin 2.0 on my Folgertech 2020 Prusa i3 variant. Calibrating seems to have gone smoothly until I tried to set up UBL. Saved the mesh into EEPROM with the ...

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