Questions tagged [bltouch]

For questions about the BLTouch automatic leveling sensor for 3D Printers.

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42 views

BLTouch Fails & Scraping at the Left Side of the Table

Using the following: Printer : Ender 3 PRO - 2019 1.1.4 non-silent board Firmware : Official Creality Ender 3 PRO - BLTouch version Bed : Original Creality Glass Bed Nozzle : Original Stock - there ...
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1answer
31 views

Output of G29 bed leveling, Marlin 2.0

I want to check how stable the output of the bedleveling protocol G29 was by running it multiple times. When running it four times, I got this as subsequent output <...
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19 views

Ender 5 Pro BLTouch problems

How do I change the location of where the BLTouch probes when I use BLTouch on an Ender 5 Pro because I am doing a color change and I can not have its probe in the center of the bed? Added note I ...
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1answer
24 views

Wiring BLTouch V3.1 on Anet A6 and the JST connector polarity

I have looked at many tutorials already but I am not sure about how I should wire this properly. I bought a BLTouch V3.1 together with an extension cable Now, the thing is, with that extension cable ...
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1answer
33 views

What are the changes between BLtouch 3.0 and 3.1?

I couldn't find a reliable source listing the improvements of BLtouch 3.1 vs 3.0. I can see that BLtouch 3.0 is sold (original) for about 20 Euro, while 3.1 costs about 30 Euro. The difference is ...
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35 views

Using BLTouch on Y Axis instead of Z

Long story short, Y and Z axis on my printer are swapped because it is a belt printer. Currently, the BLTouch sensor only works on Z axis, so I need to figure out how to do it for the Y axis otherwise ...
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1answer
86 views

While heating, BLTouch mesh data gets worse and worse the more times you probe

The title pretty much sums up the issue. It was happening before moving to an SKR Mini E3 V1.2 and is still happening with the new board. If I run A G28, then a <...
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1answer
45 views

Creality CR-10 board upgrade from V1.0 to V2.0 questions

I have a base Creality CR-10 that I have had for 10 months. Since then I have added Z-axis braces and a Z-axis dual lead screw. I have a Filament runout sensor that I want to add and I want to add a ...
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0answers
60 views

Printer is using BLTouch to home but it is not using it to auto level

I have recently set up my Ender 3 with an SKR MINI E3 V1.2 and a BLTouch which I have been using for a while. After many troubles with compiling the firmware, I managed to compile and upload the ...
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1answer
523 views

BLTouch not leveling

I installed a BLTouch V3.1 on my Ender 3 which is using Marlin (bugfix 2.0.x) off a Skr mini e3 v2.0. I updated the firmware using a teaching tech video. I'm having trouble when using bed leveling. It ...
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1answer
68 views

How can I tell if BLTouch is triggering?

MY new BLTouch doesn't seem to be actually sensing anything, and I'm not sure how to test it. Quick background: I have a bit under a decade of experience with printing generally, but essentially none ...
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1answer
94 views

Why is BLTouch Still Probing Off the Bed Even When `NOZZLE_TO_PROBE_OFFSET` is Set?

So I am almost finished upgrading my CR10s with Hemera and BLTouch hardware, however I can't get past this one problem. In the picture, you can see that the probe is to the left of the nozzle, and ...
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1answer
108 views

BLTouch doing poor job of levelling

I'd appreciate any advice on this problem. I have and Ender 3 Pro with a glass bed. I have been using Marlin 2 with mesh bed levelling and it has been working really well. I have now installed a ...
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1answer
49 views

Increase Z-homing probe number

I'm using latest stable Marlin 1.1.9.1 with BLTouch. The BLTouch seems a bit damaged so I want to increase its accuracy with multiple measurements. I've increased ...
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1answer
63 views

What is the next step after measuring the bed levels?

My Creality CR-10 Max is equipped with a BL Touch sensor for bed leveling. The bed size is 450 mm x 450 mm. Here is the 16 measurement points taken from a 4x4 grid: ...
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0answers
41 views

BLTouch on Ender 3 pro going higher at each levelling point

A print I was doing failed half way through and was stopped. On the next print I set levelling to occur for the BLTouch but instead of doing this it went higher on each of the x,y coordinates. ...
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46 views

BLTouch ender 3 pro doing a very hard end stop

I am very new to 3D printing and after finding the bed on my Ender 3 Pro to be very uneven I decided to install a bl-touch module and new firmware from TH3D. I use Cura and it works fine but it only ...
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1answer
63 views

Severe regression in print quality after adding Z probe

I installed a BLTouch on my printer (Wanhao Duplicator i3) with Marlin 2.0.5.3 and enabled AUTO_BED_LEVELING_BILINEAR. However, the results are disastrous when I ...
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1answer
252 views

BLTouch with TH3D Ender 3 pro

I installed TH3D to my stock mainboard via this guide, but BLTouch does not work properly. It does not check all 9 points before point it just go middle then check z then start printing. BLTouch ...
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1answer
256 views

Do you need to manually level the bed with a BLTouch? Adhesion issues with Ender 5 and BLTouch 1.3

I've just installed a BLTouch on my Ender 5 Pro and updated the firmware to 2.0.5.3 and enabled BL touch. I can send a G29 which probes all the points correctly, I ...
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1answer
371 views

Different Probe Z offset for G28 and G29

After trying to solve this for the whole weekend I've run out of ideas. I've fitted an BLTouch to my Ender-3 with an SKR mini e3 V2.0 board, firmware is Marlin 2.0. My issue is the following: when ...
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0answers
99 views

Bltouch going outside bed area w/ Marlin 2.x

I am having an issue where when I run the leveling sequence on my printer (Makerbot Replicator 2 converted to Marlin firmware), the bltouch is lowered outside the bed area. The bltouch is located 38 ...
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0answers
20 views

Bilinear Mesh ABL Over Compensation

I recently added an SKR mini e3 1.2 flashed with Marlin and a BLTouch to my Ender 3. I've run through the setup and have G29 creating the mesh before my prints correctly. If I generate a mesh like: <...
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1answer
39 views

How can I determine the current value of a #defined variable?

I previously set up my Ender 3 with a precompiled binary of Marlin that already had the correct X and Y offsets for the attached BLTouch. Now I'm compiling my own, and rather than measure for myself I'...
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2answers
130 views

When do I need to get a BLTouch upgrade?

I've found many Youtube videos of makers upgrading to BLTouch sensor. I have a Creality CR-10S Pro, so far bed leveling hasn't been an issue (after some days of trial and error). My question is ...
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1answer
1k views

Problem with Creality v1.1.4 (Ender 3 Pro) and BLTOUCH v3.0 (removed C7 capacitor)

I followed this tutorial on how to set up BLTOUCH v3.0 with my Ender 3 Pro. (v1.1.4 motherboard) I even removed C7 capacitor on Z axes. And no luck. My BLTouch probe is working, it turns on with the ...
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1answer
488 views

BLTouch error Marlin 2.x (on SKR 1.3)

I have some issue with my BLTouch (I'm new to bed levelling) : I compiled Marlin 2.x (for my SKR 1.3) for a Antclabs BLTouch, and everytime I power on the printer, it shows this error message: ...
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1answer
331 views

Anet A8 Marlin BLtouch moves up instead of down during homing

I have a previously working Anet A8 that I just flashed to Marlin 1.1.9 (bugfix) and installed a real BLtouch sensor. I followed setup instructions and believe my wiring is correct. When I try to do a ...
2
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1answer
907 views

BLTouch missing build plate on levelling

I have finally sorted the problems out with the frozen screen, but inevitably there's always more to take there place. I have installed the latest version of the 'Tiny Machines' Firmware but on ...
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2answers
382 views

Nozzle goes down after bed leveling BLTouch

I am new and I really hope you could help me out. I have two printers, one is an Anet A8 and the other one is a CreatBot DX plus. On both of them I installed a BLTouch, firstly on the DX and today on ...
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0answers
82 views

Z level babystepping works inconsistently after BLTouch was installed

After I installed the BLTouch sensor, the manual adjustment of the Z offset is unreliable. I found that for it to work, the software endstops must be disabled. If they are enabled, the nozzle won't ...
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3answers
5k views

How Do I Speed up The BLTouch Auto Bed Leveling In TH3D's Unified Firmware?

I have just upgraded my board to TH3D's EZBoard Lite with their Unified Firmware (U2.R1.15) and whilst dialling in all the setting I have found that using the BlTouch each time to be frustrating ...
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1answer
1k 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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1answer
2k views

Saving BL Touch settings

I have an Ender 3 Pro with a BL Touch. In my G-code should I add an M500 after the G29, to save the results to the EEPROM? I ...
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1answer
3k 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...
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0answers
293 views

BLTouch Deploying then immediately retracting while homing

I just bought a Creality CR10 Max (this is my 9th printer, 3 of my others are creality and they all have a BLTouch installed). I have only made probably 5 prints on this machine since I bought it ...
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2answers
2k views

Ender 3 BLTouch fails in assorted ways

My recently installed BLTouch probe regularly fails to perform ABL properly. There seem to be 3-4 failure modes: Probe manages some points but fails partway through, with a "probing failed" message ...
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3answers
1k views

What are the pros and cons of using a BL Touch in place of a limit switch?

This is about practicality. I'm hearing that people are using their BL Touch not to adjust the Z offset, but as the limit switch for the machine! Why is this so? What are the pros and cons of using a ...
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1answer
274 views

How to use a BLTouch or equivalent touch probe to 3D scan objects with a 3D printer?

I thought about using a BLTouch probe to do 3D scans of objects. The objects to be suitable require smooth gradients and enough space for the probe, without anything hitting the print head/hot end. ...
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2answers
2k 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
6k views

G29 Auto Grid Leveling Doesn't Do Anything

I have an Ender 3 Pro, recently added a BLTouch v3, flashed a bootloader, and I'm now attempting to configure TH3D U1.R2.15 firmware. I have only modified configuration.h, haven't touched any other ...
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1answer
261 views

Is a BLTouch probe used during a print after the first layer?

I was looking at a BLTouch probe, and saw the recent question about one with intermittent failure. That was kind of scary, where I might spend a bunch of money for something that would make my printer ...
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3answers
6k 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 ...
4
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2answers
5k 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 ...
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1answer
302 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 ...
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1answer
608 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. ...
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2answers
3k views

BLTouch wiring and pin assignments

I’m in the process of installing a BLTouch on a Velleman Vertex K8400. The board doesn’t have a dedicated servo pin, so I’ll assign one. No problem there. The board only has a Z-min pin, so it’s my ...
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1answer
16k 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 ...
2
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1answer
938 views

How can I fix First Layer Adhesion with BL Touch - Tevo Tarantula

Hope someone might have a view on where to go with this. My prints were coming out pretty good, but since installing a BL Touch to the printer I've been unable to get consistent first layer adhesion. ...
4
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3answers
2k 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 ...