Questions tagged [bltouch]

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

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1answer
875 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 ...
5
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4answers
2k views

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

This is about practicality. I'm hearing that people are using their BLTouch 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 ...
2
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0answers
13 views

BLTouch always shows high on right side of the plate

My BLTouch was working great. Until one day, it just started showing the right side as being high on every read. I've tried leveling many times manually and with the BLTouch. But every time I use the ...
2
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3answers
135 views

BLTouch type sensor Z not compensating

I have a BLTouch clone (3DTouch) on my printer (Artillery Sidewinder X1). I installed it on the printer ages ago and has been working fine since. Recently, I did a BTT smart filament sensor upgrade. I ...
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0answers
13 views

BLTouch goes behind print bed

I want to install Marlin 2.0 on my CR20 Pro but when I try to level the bed it goes behind the bed (in my direction on the Y axis). Here is my bed config: ...
1
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1answer
39 views

Ender 5+ stops while bed leveling

My Ender-5 Plus has started failing. The simplest path to failure is: Power On Settings ▶ Leveling (wait till complete) Tap measuring The first zone will measure properly, then when starting to ...
1
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1answer
52 views

What would cause magic smoke with a BLTouch installed?

I decided to purchase a BLTouch for my Ender 3 V2. I did all the physical installation of the BLTouch at the same time as adding LED lighting. I plugged in the power to test the lighting (BLTouch was ...
7
votes
1answer
24k 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 ...
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1answer
2k views

After installing BLTouch and Marlin, my nozzle is too high when trying to print

So I have an AnyCubic i3 Mega which I added BLTouch v3.1 and Marlin (1.1.9 due to older, Atmega 8-bit CPU) using instructions and such from https://github.com/MNieddu91/Marlin-AI3M-BLTouch. Finally ...
1
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1answer
78 views

Ender 3 Pro with BLtouch + BigTreeTech Auto level not compensating

As the title says, I have an Ender 3 Pro + BLtouch v3.1 and BigTreeTech SKR mini E3 v2.0. I have the SKR loaded with "firmware-bltouch-for-z-homing.bin" but my printer does not seem to be ...
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1answer
66 views

Levelling issues with BLTouch sensor; unlevel and weak adhesion

I have a Creality CR-10 Max with BLTouch. After I have manually levelled the bed and set the BLTouch to do an auto level it seems to unlevel the bed and only prints one side of the bed. However, it’s ...
7
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6answers
16k views

BLTouch Probing Fails Intermittently

I just installed my (v3) BLTouch 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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0answers
36 views

BLTouch not levelling correctly (it does seem to work, just not accurately enough)

My setup Ender 3 Creality glass bed Creality 3D BL Touch auto bed levelling kit v1 Creality 3D silent mainboard v4.2.7 OctoPrint running on a Raspberry Pi 4 connected over USB (with the 5 V pin ...
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1answer
818 views

BLTouch Z offset needs changes

Just installed a BLTouch sensor on my Ender 3 Pro (using firmware version: Ender-3 Pro1.1.6BLTouchV3.1PowerLossContinueEnglish), it all works great but each time I ...
1
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1answer
72 views

How do I change Z safe homing coordinates in the G-code , not in Marlin

I bought a Vivedino T-Rex 3 not realizing it doesn't have continue after power failure. I am over it. What I usually do is keep the part away from the home position so if it crashes I can continue ...
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0answers
13 views

Anet A8 BLTouch bed leveling starts outside of bed

I just upgraded Anet A8 to Marlin 2.0.x with BLTouch, but my issue is when I press bed level the center is not correct, and when it goes to the first point it is outside of the bed. My BLTouch is back ...
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1answer
694 views

UBL Marlin settings to cover whole bed

This question is related to: How to set Z-probe boundary limits in firmware when using automatic bed leveling? I am trying to figure out how to set UBL In Marlin to cover as much bed as possible. So ...
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0answers
40 views

BLTouch not working correctly on Ender 3 Pro

First off, I realize how many "Ender 3 BLTouch not working" questions there are already on here, I've looked through a bunch of them and not seen this particular problem. Let me know if it'...
0
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0answers
22 views

BLTouch problem - bed leveling

I have a problem with my Ender 3 printer with BLTouch v3.1. Firmware from this site. After assembly, firmware upload, Z-Offset setting, initial leveling of the table, the sensor works, but I can never ...
1
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1answer
57 views

Problem with BLTouch on Ender 3 Pro

I'm having some problems with my BLTouch. Yesterday I got the 4.2.7 silent board delivered as well as the BLTouch and a glass bed. I was able to install the silent board without a problem and ...
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0answers
30 views

Ender 3 v2 BLTouch 3.1 issue

I'm running into an issue with my BLTouch where it will go through the process of leveling when the print has started but will fail at different points each time then immediately go to start printing. ...
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1answer
1k 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
791 views

Ender 3 Pro + SKR mini E3 1.2 + BLtouch doesn't work with downloaded bin file

I have a Ender 3 Pro V1. I installed the Bigtreetech SKR mini E3 V1.2 + TFT35 touchscreen + Antclabs BLTouch + a pre compiled bin from here . the board works the screen works the BLTouch is erratic ...
1
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1answer
342 views

BLTouch not touching bed while leveling

I have an Ender 3 Pro that I installed a BLTouch sensor on. After I auto-home, I level bed and it deploys the probe in the right spot, but doesn't go down far enough, then goes back up and stops ...
1
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1answer
78 views

First layer problem

I have Ender 3 v2 with BLTouch and Marlin 2.0.x software There is a problem on the first layer it allows come wrong the last problem I have it is the first layer it is not constant on the bed it comes ...
1
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1answer
603 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 ...
4
votes
1answer
60 views

Marlin is restarting when pins 5 Vcc are enabled and has a servo motor connected (RAMPS 1.4)

My printer uses an ATMega 2560 with a RAMPS 1.4 shield, A4988 stepper drivers and a 2004 controller LCD interface. The PSU is 360 W (12 V, 30 A). I bought a BLTouch for my printer, but when installing,...
1
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0answers
26 views

Ender 3 Pro firmware upgrade fails

Problem with Creality v1.1.4 (Ender 3 Pro) and BLTouch (Creality V1 mainboard - upgraded version). Error when attempting the firmware upgrade. After downloading and executing ...
2
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0answers
44 views

Ender 3 v2 with Ender 400XL extender and BLTouch not working after installation

I have an Ender 3 v2 and just installed the Ender Extender 400XL and a new BLTouch. I need to modify firmware for the new dimensions of 400x400x500 mm for the new kit. I changed all that and it seems ...
2
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2answers
86 views

How do I know if my BLTouch is faulty or firmware is faulty?

I just got the Ender 5 Plus with BLTouch set up today. I was having some massive issues and determined that my leveling was off because the BLTouch was flashing red and not connecting. When I turn on ...
4
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2answers
11k 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 ...
2
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1answer
2k views

Ender 3 Pro will not auto home correctly after mainboard & BLTouch upgrades

I made two updates to my Ender 3 Pro: Silent Mainboard and BLTouch. My printer head is way out of sync now. After I Auto Home, it moves along the X-axis to the left, hits the stop switch & moves ...
2
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0answers
58 views

BLTouch not covering the whole bed area

My problem is that the BLtouch doesn't probe the whole bed, in which the probe starts from the left edge and stops at the middle of the bed. I'm using Marlin 2 software and this the code in the ...
2
votes
2answers
97 views

First layer Z-offset in G-code

In slicer G-code is it possible to set the probe Z offset for the first layer only? For my stock E3 plate I find -4.125 mm best however for glass I need to go to -4.175 mm for the first layer to get ...
1
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0answers
306 views

BLTouch does not compensate for bed level correctly

Printer: Anycubic Mega S. Mods: BLTouch, Dual material with G-code-powered switch. Firmware: Marlin 2.0 A couple of weeks ago I had a print failure when printing PETG. Now whenever I use auto bed ...
2
votes
1answer
2k 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 ...
0
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2answers
761 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 ...
2
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0answers
58 views

3DTouch: G-code to temporarily change probe points and Z home?

I am using a BLTouch clone (3DTouch), and with G28 and G29 in Simplify3D it auto-detects Z home right in the center of the bed ...
4
votes
1answer
203 views

BLTouch error causing bed and nozzle temp setpoints to change to zero

I replaced my CR-10 motherboard with no problems and ran fine for a few weeks, then decided to add a BLTouch. BLTouch was enabled from the config.h during compile. ...
2
votes
0answers
33 views

Ender 3 Pro with BLTouch, partially completes ABL sequence then locks up

I have had an Ender 3 Pro for the last year, and put a BLTouch on it about 6 months ago. With the BLTouch installed for the last 6 months, I have successfully completed hundreds of prints with no ...
1
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0answers
274 views

Cannot configure Marlin 2/0.X bugfix on Ender 5 pro, 4.2.7 board with BLTouch 3.1

I am new to 3D printing and recently purchased a Ender 5 Pro. I came and the 8 bit 1.15 board was broken (couldn't run extruder). I upgraded to a 32 bit Creality 4.2.7 and also purchased a BLtouch 3.1 ...
0
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0answers
27 views

BLTouch not homing correctly

I recently installed a BLTouch V3.1 sensor on my CR-10S pro. I used the "Tiny Machines" latest firmware. When I turn on the printer the BLTouch self tests and turns red. When I go to "...
0
votes
1answer
265 views

Z offset not working after flashing TH3D firmware

I had the BLTouch (3.1) working with stock firmware on an Ender 3 v2 but wanted to get a 5x5 mesh instead of the 3x3 so I installed the TH3D firmware. With the stock firmware my Z-offset was -2.95 mm. ...
0
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0answers
26 views

Ender 5 Pro - Breaking sound when z axis moves down (away from hotend)

I got this printer literally yesterday, at first it was fine but after a few test XYZ cube prints it started making a breaking noise when the Z axis moves down! Please see the video! ...
2
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0answers
86 views

Should center point of G29 matrix always be zero?

Questions: Should repeated applications of G29 (auto-level) result in the same matrix as long as nothing is loose or has otherwise mechanically changed? Should ...
2
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1answer
317 views

Understanding of the auto bed leveling process (BLTouch)

I just installed my BLTouch clone (Marlin 1.8) on my Anycubic i3 Mega Ultrabase and finding confusing information about the Z_PROBE_OFFSET_FROM_EXTRUDER or the M851 ...
1
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1answer
213 views

How to probe twice while mesh bed leveling with a BLTouch setup

I am using an Ender 3 (v1.1.4) with Marlin 1.1.X bugfix installed. Also BLTouch v3.1 is used. The probe is deployed once only while mesh bed leveling. How can I make the probe deploy twice at every ...
1
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0answers
68 views

BLTouch Creality Firmware works, Marlin doesn't

I've had the BLTouch working fine using this kit and following the instructions it shipped with. I wanted to increase the number of probe points so I've attempting flashing with Marlin to achieve this....
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0answers
107 views

Manually level CR-10 V2 with BLTouch

I am using a Creality CR-10 V2 with BLTouch installed. I referenced many articles but seems like I am constantly getting inconsistent information regarding to bed leveling. If I am not wrong, I need ...
1
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1answer
74 views

Can I use photoelectric sensors to make auto bed leveling on a glass bed?

I'm pretty much a noob to the 3D printing community. I got a Creality CR10 V2 as my first 3D printer and I know it's compatible with BLTouch but not included in the package. So I'm dying to add an ABL ...