Questions tagged [bltouch]

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

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5
votes
1answer
137 views

Automatic Bed Leveling (ABL) with a sensor (BLTouch, inductive, capacitive), how does it work?

A frequently discussed update to a 3D printer is the so-called leveling sensor; this sensor can be inductive, capacitive, optical or mechanical (i.e pressure or physically touching, like a BLTouch). ...
8
votes
6answers
21k 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 ...
4
votes
1answer
37k 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
votes
1answer
143 views

Creality Ender 3 Pro - Z travel issue with TH3D firmware

TLDR - I’ve just driven myself insane trying to fix what I thought was a physical problem with my Z-axis, but it seems to have been solved by switching from the TH3D firmware to the Creality firmware. ...
3
votes
2answers
3k 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 ...
2
votes
2answers
498 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 ...
2
votes
1answer
998 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
votes
2answers
6k 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. ...
2
votes
2answers
5k 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 ...
2
votes
1answer
482 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 ...
0
votes
1answer
959 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
votes
1answer
864 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 ...