Questions tagged [bltouch]

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

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13 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. ...
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50 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 ...
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31 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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24 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 ...
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27 views

How to specify servo pin for BLTouch sensor in Marlin

I have been through a bunch of different examples/tutorials/other threads. But I can't figure out how to let the firmware know what servo pin is used for the BLTouch sensor in the latest Marlin 2.0.c ...
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1answer
54 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 ...
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1answer
67 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. ...
4
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2answers
73 views

What are my options if I want to install a bed levelling sensor capable of operating at 100 °C?

I currently use a BLtouch 3.1, which is known to stop operating at about 35-40 °C. In fact, when I preheat the bed at 100 °C close to the probe, I sometimes get issues with the pin not retracting ...
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1answer
78 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 ...
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13 views

BLTouch gives a mesh that makes no sense

I've been trying for a long time to configure the BLTouch correctly on an Ender 3 and I only get results that have no sense. I already have another Ender 3 with a BLTouch configured that works fine. ...
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1answer
35 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 ...
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2answers
80 views

Z axis no longer working on a working printer

I was printing an object and it started to drag so I stopped it. Went to move the Z-axis up so I could clear the bed and Z-axis would not budge. I switched the printer off and manually turned the ...
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29 views

Ender 3 Pro & BLTouch clone issue

I just installed a BLTouch clone on my Ender 3 Pro with a standard 1.1.4 board. The sensor seems to work but is giving me problems. I used the Teaching Tech tutorial on YouTube to install it, but ...
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1answer
113 views

BLTouch does not compensate for differences in bed level

Printer: Ender 3 Bed: Creality Glass ABL: BLTouch Everything else: Stock Few weeks ago I had a meltdown during a failed ABS print. My hotend was completely wrapped in plastic and trying to remove said ...
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1answer
111 views

I can't get G29 to run BLTouch on my Ender 3 V2

I installed a BLTouch probe on my Ender 3 V2 and am able to manually generate the probe matrix and store it in the printer memory, but I can't figure out how to get Cura to run the probe for every ...
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33 views

Help coding the MIN_POS and x/y probe offsets

I've read a lot of posts in regard to these subjects but I think that the advice is just so saturated it's hard to know what to follow. I've had trouble with my bed min pos and x/y probe offsets ever ...
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16 views

BLTouch V3 levels accurately on some parts of the bed sometimes or is widely off on others and sometimes scrapes

I'm trying out the new Ender 3 Pro, replaced the Z switch and put the BLTouch V3 in its place and when I try test prints with it after bed leveling, it sometimes print part of my bed on level, and ...
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0answers
6 views

Creality CR10 max BL touch

I have a CR10 max with BL touch After I have manually levelled the bed and set the BL touch to do an auto level it seems to unlevel the bed and only prints one side of the bed however it’s not ...
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1answer
75 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 ...
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1answer
86 views

Z-min always open when using BLtouch and Marlin 2.0

I recently added a Creality BLTouch v3.1 to my Ender 3 which has a MKS Base v 1.6 motherboard and is running Marlin 2.0, but the Z-min never triggers. I have made sure that the BLTouch unit lights up, ...
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1answer
127 views

Bed leveling problem

My start G-code: ...
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1answer
442 views

Ender 3 Pro + SKR mini E3 1.2 + BLtouch and the bin file from the https://marlin.crc.id.au/

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 https://marlin.crc.id.au/ . the board works the screen works ...
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1answer
419 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 ...
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1answer
42 views

Why use G29 during a print?

Why do printers, like the Ender 5 Plus, execute the G29 routine prior to every print? I understand the purpose of this step when MANUALLY leveling the bed since you are presented with the 16 ...
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1answer
414 views

BLTouch Stopped Working

I was five hours into a six hour print and got a 28 mm X direction layer shift. No idea what caused it. I stopped the print cleaned the bed and (via Pronterface) went to home the bed (...
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1answer
320 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 ...
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0answers
48 views

CreatBot DX firmware flash for BLTouch install?

Any resources to add a BLTouch to the CreatBot DX? I cant even get Marlin installed without bricking my LCD and USB. I've heard suggestions to flash Klipper, run everything from a Pi or to swap out ...
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0answers
14 views

CR-10 not printing properly after Marlin 2.0.x and BLTouch installation

I flashed a new version of Marlin (2.0.x) because I bought a BLTouch sensor on my Creality CR-10 v2. Ever since I did that, my printer has terrible first layers (adhesion) and layer strength is weak. ...
0
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1answer
311 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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1answer
166 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
164 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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28 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
105 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
341 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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0answers
39 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 ...
2
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1answer
180 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
92 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
277 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 ...
3
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1answer
3k 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
549 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
361 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 ...
2
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1answer
524 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 ...
1
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1answer
128 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 ...
0
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1answer
79 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
65 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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0answers
73 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 ...
0
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1answer
74 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 ...
0
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1answer
712 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 ...
0
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1answer
2k 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 ...
1
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1answer
813 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 ...