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Questions tagged [bed-leveling]

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Use this tag for questions regarding the manual or automatic leveling of the build platform.

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24 views

Anet A6, Marlin 1.1.x, bed leveling with sensor probe

I have an Anet A6, an SN04 sensor for the Z-axis, and Marlin 1.1.x software that has automatic bed leveling enabled. My question is (looking at the image below): "It seems my bed leveling is not ...
1
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1answer
56 views

AnyCubic D (aka Predator) - Z-zeroing and first layer issues

Long story short, my wife and I are now the proud owners of an AnyCubic D, also known as the Predator. This is not our first 3D printer, but it is our first "delta" design, with the circular build ...
2
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0answers
66 views

How Do I Speed up The BlTouch Auto Bed Leveling In TH3D's Unified Firmware (U2.R1.15)?

I have just upgraded my board to TH3D's EZBoard Lite with their Unified Firmware and whilst dialling in all the setting I have found that using the BlTouch each time to be frustrating because of the ...
2
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1answer
77 views

Ender 3 with BLTouch prints slanted lines

I'm having a problem getting a clean first layer on an Ender 3 with BLTouch auto bed leveling. Thickness seems to fluctuate all over the bed, but in a consistent (repeatable) way. Here's my attempt to ...
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0answers
72 views

What is the difference between M420 S and M420 S1?

I have been reading through the Marlin website about ABL and I see what appears to be conflicting information. At http://marlinfw.org/docs/features/auto_bed_leveling.html it states that running G28 (...
1
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2answers
59 views

Anet A8 Z-Probe Bed Positioning going outside of bounds

I have an Anet A8 with the Anet 1.7 board, Skynet3d v2.3.2, and the stock sensor. I originally had this configuration with the stock extruder, but recently purchased an E3D v6 clone with a Bowden ...
3
votes
1answer
87 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 ...
4
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1answer
291 views

Klipper doesn't seem to adjust Z after BED_MESH_CALIBRATE

My rig: Ender 3 BLTouch Octopi Klipper Solid bed mounts I've updated my start G-code from Cura to include a G29 right after G28...
4
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0answers
25 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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0answers
15 views

Adding bed levelling info

I just added a BLTouch to my Creality 10S5. I would like to know if there is an option to add Leveling info to the BLTouch sub menu that will display the resulting z-offset at each probed point. I'm ...
4
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2answers
103 views

G28 ignoring Z-Probe X/Y Offsets

I recently installed a SKR 1.3 Board with a 3DTouch-Probe on my Creality Ender 3 Pro. The probe works, G29 does its magic, but: If i issue a plain ...
0
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1answer
85 views

BLTouch calibrated, nozzle still dives into the bed

I am having a few problems with my BLTouch. I have calibrated it several times using different methods and get the nozzle being 1.3 mm lower than the BLTouch pin so a Z offset of -1.3 mm. ...
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1answer
53 views

Setting the startpoint of the EZABL 3x3 mesh

How do I set the startpoint of the EZABL 3x3 mesh. The startpoint is hitting my bed clip.
1
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1answer
20 views

Printer doesn't lift Z between each probe

I don't remember making a change to marlin but today when I tried to probe my bed my Z probe homed and slowly went downwards until the probe detected the first point. then without lifting it it just ...
1
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3answers
2k views

Ender 3 BLTouch first layer problems

I recently installed an original BLTouch V3 on my Ender 3 pro and ever since I can’t seem to get a decent print. My first layers are horrible. The install wasn’t so bad, I really thought it would be ...
2
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0answers
131 views

Inconsistent Auto Bed Leveling - Having To Calculate Z Offset For EVERY Print

I am having a problem with my Flying Bear P902 3D printer where I have to calculate the Z offset for every single print. I calculate it using this method (and store it in EEPROM) : Link to ...
2
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1answer
231 views

Is having 4 bed leveling adjustment points rather than 3 problematic?

My Ender 3, and I think lots of printers, have 4 bed leveling adjusstments, one at each corner. It seems to me that having 4 points produces an over-determined system, making it confusing to get the ...
4
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4answers
771 views

Auto physical bed leveling?

I've never used a printer with auto bed leveling, but my understanding is that most or all of them don't actually level anything, but rather compensate for the unlevel bed in firmware by transforming ...
4
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2answers
962 views

BL Touch Probing Fails Intermittently

I just installed my (v3) BL Touch with a vanilla version of Marlin (1.1.9) on my Ender 3 and everything seems to work fine (including auto home) except the probing. It repeatedly does the first three ...
1
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1answer
132 views

How to connect BLTouch sensor to Alunar M508 using LSEE 3D v1.0 board?

In the process of updating my printer (Alunar M508), I decided to add "Auto Bed Leveling" using a BLTouch sensor. After doing a lot of Googling: I found firmware that will upload and work with ...
1
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0answers
268 views

Marlin Bed-Leveling Vs Skew Correction

I've added a G29 command in my starting script to do bed leveling process before every print. It works fine and compensates my bed during prints. But when I print larger models, they're all skewed in ...
4
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1answer
3k views

Why is the center of my glass print bed lower than the corners?

I have a new Creality Ender 3. I suspect that I have not adjusted the eccentric nuts correctly, on the X-axis head carriage mounts. Even after a glass bed upgrade, using the Level Corners routine ...
2
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1answer
239 views

BL-Touch bed leveling seems to produce tilted bed level around Y-axis

I have a Tevo Tornado that I've outfitted with an official BL-Touch auto level sensor. I can see the bed probing run, and I can see the Z axis slowly adjust during x/y moves, so it's doing something. ...
3
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2answers
597 views

How to connect optocoupler module to ABL sensor and Ender 3 board

I am trying to figure out how to wire up Auto Bed Leveling (ABL) on my Ender 3 using the optocoupler and inductive proximity sensor below. I cannot figure out how to wire it all together, all the ...
5
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1answer
4k views

How to increase the amount of probing points for a BLTouch sensor in Marlin firmware?

I have a new BLTouch that is setup (using Marlin 1.8.7) but I want to increase the probing grid from a 3x3 to something like a 5x5. I am using bilinear leveling with a 3x3 grid. How would I go about ...
3
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2answers
61 views

Auto bed leveling: systematic slope

I have a heavily modified DiscoEasy 200 from Dagoma, see picture: The heatbed is mounted on 4 springs, on top of the original plate. I made sure the X carriage was parallel to the table. I then tried ...
2
votes
1answer
48 views

Premium heated bed upgrade options?

The stock heated bed which came on my Creality printer is significantly warped beyond any simple leveling with the screws. Lets say I want to upgrade the stock bed to a premium heated bed, does such a ...
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0answers
54 views

PL-08N inductive sensor not turning off

I have one of these inductive sensors marked as PL-08N which should work within a 4-30 VDC range and trigger at 8 mm or ...
4
votes
1answer
420 views

Ender 3 Distorted Calibration Cube

Issue: My Ender 3 is creating distorted prints with layer separation and deformations. Example Here Can anyone point me in the right direction? Setup: Ender 3 TH3D EZABL Auto Bed Leveling 1.75&...
3
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1answer
191 views

Hooking up an optocoupler in a 24V Machine, is a 2 kOhm resistor sufficient?

I am going to buy an inductive probe for my Creality Ender 3 to enable ABL (Automatic Bed Leveling). And now, I have one last question left on my mind: I am going to buy a Vishay Optokoppler ...
4
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1answer
957 views

The BLTouch is hitting the bed on the double-probing

When double-probing, sometimes the BLTouch will hit the bed before the z-axis goes down: The BLTouch deploys The bed goes up The sensor triggers The BLTouch stows The BLTouch deploys and crashes the ...
3
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1answer
62 views

What exactly does calibrating a 3D printer do?

I’m building a 3D printer and need to understand what calibration and bed leveling is, and I was surprised to see there isn’t a clear explanation on the internet anywhere. Does bed leveling compensate ...
6
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1answer
5k views

How to set Z-probe boundary limits in firmware when using automatic bed leveling?

In setting up a probe for automatic bed leveling, the limits of the probing area must be entered in the firmware of a 3D printer. When using a sensor, how do you define the bed limits for the sensor ...
6
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2answers
2k views

Ender 3 distance between nozzle and bed changing on Y-axis

After I level my Ender 3, the distance between the nozzle and the bed seems fine on both ends, but moving the bed on the Y axis shows that it's increasing and decreasing for three times, which I just ...
2
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1answer
132 views

How to level bed after applying glue stick for bed adhesion

I'm pretty new to printing PETG, and my Creality Ender 3 now has a glass print bed. I've done some research, and it looks like a pretty bad idea to try and print PETG on a pure glass surface for fear ...
3
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1answer
1k views

Anet A8 with Marlin firmware: Auto Home is crashing into bed

I got things moving from the answer to a previous question. Now, since the base-video I'm following is non-English, I want the next phase fixed: Probing failed ...
4
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1answer
996 views

ANet A8 running Marlin v1.1.9 Auto Bedlevel with ROKO SN04-N

I'm trying to get the ROKO (SN04-N) sensor to work with my Anet A8. First of all, while trying to screw it to the extruder, I tightened it too much and sort of broke the acrylic plate... sort of. I ...
2
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1answer
71 views

Adhesion problem when printing calibration test

Here is my first attempt at printing a "Bed Leveling Calibration test". It obviously didn't come out as I would have hoped, but what can you say just looking at this picture? Is it possible to tell ...
2
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0answers
137 views

Bed leveling compensation not working! [closed]

I have a DIY 3D printer that uses a probe as z min limit and bilinear bed leveling. The problem is that bed leveling compensation sometimes doesn't work. This is in my starting scripts in Simplify3d: ...
2
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2answers
761 views

Problems with bed leveling of Creality CR-10 Mini

So I've had my CR-10 Mini for some months now, and I've been continually having strange problems with bed leveling. Basically, after leveling the bed and printing a part, the bed is no longer leveled ...
3
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2answers
544 views

I can't level my bed any more

I have a Monoprice Select v2 that I just bought less than 2 months ago. I've manually leveled it on several prints prior. I noticed a couple of holes in my print bed after my last print, like the ...
3
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2answers
672 views

Scratches in the build plate - How did this happen, and may it cause problems?

A couple of prints after leveling the bed (<10), I noticed some weird sound, and saw the nozzle scratching the build-plate. What is really weird, is that I noticed (My printer is in quite a dark ...
1
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1answer
312 views

Why does my DIY printer start printing in air?

I've built a DIY 3D printer similar to Prusa i3. It does homing and bed leveling very well with a PNP Lj12a3_4_Z_BY sensor using G28 and ...
2
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2answers
2k views

Automatic leveling probe offset; adjusting for one side ruins the other

When I adjust the probe offset to get the proper layer height and adhesion, one side is set right but the other doesn't work. If I decrease the probe offset (say -1.100 to -1.050) the right side seems ...
3
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1answer
12k views

How to set the boundaries for BLTouch probing

I have just installed the BLTouch on my Ender 3 running Marlin 1.1.9 and I want to set it up so the probing does the 9 points in a perimeter that uses most of the bed surface area. At the moment the ...
4
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2answers
2k views

Ender 3 Z-limit now unreliable - possible causes and solutions?

I had a couple of recent nozzle/bed crashes, so I now frequently do a manual bed levelling. I do these while the bed is heated to allow for expansion. Today i found, after levelling, a subsequent ...
8
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1answer
278 views

Tevo Michelangelo nozzle below build plate?

I got a Tevo Michelangelo as first 3D printer today and already got a problem with the bed leveling: The extruder nozzle is way below the build plate. (When I auto-home the axes, which I've done ...
5
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3answers
12k views

How to set the Z home offset

I have what I thought would be a simple question. I don't have an auto leveling probe, I do my leveling manually with 4 screws and a piece of paper (I measured the thickness to 0.1 mm). For the ...
3
votes
1answer
662 views

How do I add auto bed levelling to my Marlin-based CNC?

I just finished a CNC that uses Marlin Firmware. The dimensions of it are quite large (3200 x 2000 mm) and the table is not perfect. I'm thinking of adding a proximity sensor to store a mesh in the ...
6
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1answer
3k views

Issues with Auto Bed Leveling

I have enabled auto bed leveling on my 3D printer. I have used a 6-36 V inductive sensor with a 7805 voltage regulator running the sensor at 10.78 V. I am using Marlin 1.1.9. This is my configuration ...

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