Questions tagged [bl-touch]

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

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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 ...
3
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1answer
56 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 ...
4
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1answer
292 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...
2
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0answers
50 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 ...
2
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1answer
139 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 ...
0
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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
votes
3answers
183 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 ...
2
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1answer
90 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. ...
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. ...
3
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1answer
807 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
67 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 ...
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 ...
4
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2answers
964 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
vote
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 ...
2
votes
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. ...
0
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2answers
1k 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 ...
5
votes
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 ...
2
votes
1answer
376 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
votes
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 ...
1
vote
1answer
625 views

Ender 3 needs Power Supply AND USB to work

I installed a BLTouch on my Ender 3 following this video: https://www.youtube.com/watch?v=sUlqrSq6LeY. What I noticed too late was that when installing the BLTouch, I swapped the brown and red wires ...
1
vote
1answer
454 views

Anet A8 & BLTouch not homing Z

I have an Anet A8 with Marlin Firmware 1.1.9 and I installed a BLTouch sensor. When I start the system the BLTouch does its self test (extend and retract the probe twice) and then lights up red. When ...
2
votes
3answers
2k views

Filament Leaking During Automatic Bed Leveling

Before the print has actually started I have set up Auto Bed Leveling using a BLTouch sensor, during the period that this runs I find that material leaks out of the nozzle and curls back onto itself ...
1
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1answer
1k views

Is endstop / z-probe wire required for BLTouch installation on CR-10S

I am confused about installing BLTouch on CR-10S. This is my motherboard: Below is a screenshot for the wiring of the BLTouch sensor: See the circled sections in yellow. Notice that the Z- socket ...
2
votes
1answer
557 views

Anet A8 with 3DTouch does not home X in the center

Working on getting my Anet A8 upgraded with some extra toys and although the sensor works, I can't get it to home correctly. I'm looking for some assistance to home the X in the center. The probe is ...
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 ...
0
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1answer
51 views

How To Trace The Line Of A Print With The Nozzle (With No Plastic Printed)

I want to calibrate my printer for my new BLTouch (Ender 3 using Marlins 1.1.9), every time I adjust the values in the configuration.h and send it to the printer I end up having to wait for the nozzle ...
3
votes
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 ...
5
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2answers
12k views

Configuring BLTouch with Marlin firmware

Has anyone configured BLTouch with Marlin firmware? I could only find videos about older firmware version. I followed this document. To avoid causing any damage to the printer, I removed all ...