Questions tagged [z-probe]
Use this tag for question that relate to switches or probes to level the bed either manually or automatically
57
questions
1
vote
0
answers
43
views
Does Marlin already have a way to define auto Z-offset strain gauge?
My Ender 3 v3 SE printer is still really new so I understand the info is limited. I'm trying to build a version of the latest Marlin FW that will work I've already redefined the pins that are ...
- 11
0
votes
1
answer
41
views
Why is the Z probe offset easily adjustable in the printer UI, but not the X/Y probe offset?
I should mention that this is my experience with Marlin. I can adjust the Z offset all I want in the UI, but not the X/Y offset. If you reinstall the probe, I've heard you may need to adjust the Z ...
- 15
0
votes
0
answers
372
views
Ender 3 S1 Pro Probe Failed when auto-levelling even after manual level
When I first bought the Ender 3 S1 Pro, everything worked fine, but at some point, the auto-leveling stopped working. I used to manually level it every dozen or so prints (sheet of paper method) just ...
1
vote
1
answer
54
views
How does my printer auto level based off the sensor I installed?
I'll start off with some info in case it's needed, but my questions are a bit lower. I have an Ender 3 Pro with the 4.2.2 motherboard. Grabbed a Marlin firmware bin from Shiny Upgrades and seems to ...
- 15
0
votes
0
answers
45
views
Problems with BLTouch on Ender 3 Pro
I have had some issues with my Ender 3 Pro (v4.2.2 motherboard). The BLTouch decided to just probe the air. It had been working quite fine until one day when it stopped. IDK if this helps, but I have ...
4
votes
2
answers
5k
views
Auto Bed Leveling does not compensate for bed tilt correctly (Anycubic Kobra Neo)
Setup: Anycubic Kobra Neo (Firmware v1.3.3), Cura 5.2.1
I recently bought an Anycubic Kobra Neo.
It works but has issues with auto bed leveling. Specifically, auto bed leveling does not compensate for ...
- 141
2
votes
1
answer
177
views
Z-Offset Multiple Heads on Tool Change
I have created my own tool changer for my 3D Printer but I'm having an issue with the Z-offset for each head.
Firmware: Marlin 2.1
Slicer: Cura
I have used the offset wizard to get the Z-offset of ...
- 123
1
vote
1
answer
1k
views
When Z-axis is autohoming the print head moves too far to the right and starts grinding
Installing BLTouch on Ender 3 with SKR Mini E3 v2 motherboard, flash the firmware and do the first autohome, X and Y-axis autohome to the endstops just fine, but then the print head moves to the ...
- 11
2
votes
0
answers
2k
views
BLTouch homing correct, but nozzle hits bed during print
So I have this exact problem as in this thread: BLTouch calibrated, nozzle still dives into the bed
But I don't see a clear solution to that question, or I don't understand. After correct calibration ...
- 21
1
vote
1
answer
1k
views
Tronxy X5SA not working properly after Marlin firmware installation
Yesterday I installed Marlin firmware, 2.0.x bugfix version on my Tronxy X5SA (v6).
I did it in the way explained on GitHub, with Visual Studio Code, Platform IO, Marlin auto build. I applied the ...
- 123
2
votes
0
answers
689
views
Z homing problem; starts printing in the air
I have a DIY 3D printer with Marlin firmware. I use an LJ12A3-4-Z/BY sensor for the Z probe. Recently I have had a ridiculous problem with Z homing.
In doing Z homing, it senses the bed, goes up, and ...
- 551
3
votes
1
answer
3k
views
BLTouch clone will not deploy, stow, or deploy when homing or auto leveling
I have 2 printers, an Artillery Sidewinder X1 and an Ender 3 that both have BLTouch sensors installed. This post is about the one (BLTouch clone, the probe is a Smart v3.1 sensor) installed on my ...
- 189
2
votes
5
answers
1k
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 ...
- 189
2
votes
1
answer
1k
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 ...
- 91
2
votes
2
answers
2k
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 ...
- 123
9
votes
1
answer
42k
views
Using auto-bed leveling, do I need to initiate G29 before every print?
Various methods to scan the top surface exist to improve the bed adhesion to prevent prints to come loose from the bed during printing: e.g. BLTouch and clones or inductive and capacitive sensors/...
- 34.5k
3
votes
0
answers
160
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 ...
1
vote
1
answer
485
views
Replacement Z Probe for MP10
Has anyone successfully replaced the inductive Z probe on the Monoprice MP10 (Mini or regular) with a different type, such as BLTouch or IR?
I find that the stock inductive probe isn't so accurate, ...
0
votes
1
answer
409
views
Marlin Z-probe Failure!
I'm using Marlin. Recently my Z-probing randomly doesn't work. Sometimes during Z-Homing it goes up instead of going down to sense the Bed! In Bed Leveling it goes higher and higher every time. It ...
- 551
5
votes
2
answers
5k
views
Z-offset: 0.2 mm, 0.1 mm or the thickness of paper?
So, I'm pretty new to 3D Printing, and to quote Spock from Wrath of Khan I would say "He is intelligent, but not experienced". Now everything I have been reading about Z-offset seems to talk ...
- 161
2
votes
1
answer
159
views
X axis doesn't lift after levelling
So, I recently installed an inductive sensor to my 3D printer for auto bed levelling and now I'm stuck on Z probe offset as it doesn't seem to do much apart from changing number is given on display ...
- 31
2
votes
1
answer
4k
views
Bed probing feed rates
I was watching a friend's Prusa run the bed-probe routine and I realized how pathetically slow mine is and takes forever. I want to speed it up.
What parameters in Marlin's ...
- 21
1
vote
1
answer
451
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 ...
- 13
0
votes
1
answer
192
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 ...
- 335
1
vote
2
answers
12k
views
Marlin NOZZLE_TO_PROBE_OFFSET with glass
In my custom printer I have probe and nozzle at same height and configured Marlin this way:
#define NOZZLE_TO_PROBE_OFFSET { 43, -20, 0 }
On the bed I've a 2&...
- 175
0
votes
1
answer
1k
views
Marlin bed autoleveling confusion
I've just added a Z-Probe sensor to my custom printer (Arduino - RAMPS 1.4 - Marlin 2 ...
- 175
1
vote
2
answers
522
views
Anet A8 Z-Probe Bed Positioning going outside of bounds
I have an Anet A8 with the Anet 1.7 board, Skynet3d v2.3.2, and the stock sensor. I originally had this configuration with the stock extruder, but recently purchased an E3D v6 clone with a Bowden ...
- 13
4
votes
2
answers
2k
views
G28 ignoring Z-Probe X/Y Offsets
I recently installed a SKR 1.3 Board with a 3DTouch-Probe on my Creality Ender 3 Pro.
The probe works, G29 does its magic, but:
If i issue a plain ...
- 41
1
vote
2
answers
601
views
Can I use a 12 V single channel optocoupler module in a 24 V machine?
I have a Tevo Tornado Gold 24 V. I want to use this LJ12 A3-4-Z/BX Inductive NPN NO 4 mm with 6-36 V operation current as a Z probe. I do not want to fry my machine by putting in 24&...
- 11
3
votes
1
answer
530
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 ...
- 2,256
2
votes
3
answers
748
views
Wiring Z-stop directly to hot end and aluminum bed / spacers
So I am really fed up with inductive probes. The one I am using keeps getting shifted slightly every time I switch nozzles or run an oozy print. That means I have to autolevel again, then manually set ...
- 1,630
1
vote
0
answers
1k
views
Marlin Bed-Leveling Vs Skew Correction
I've added a G29 command in my starting script to do bed leveling process before every print. It works fine and compensates my bed during prints. But when I print larger models, they're all skewed in ...
- 551
9
votes
1
answer
35k
views
Specifying Z offset in Marlin firmware
I need to set a Z offset for the Flying bear P902. I calculated the offset (-2.98). But, every time when I try to input this using the LCD screen of my 3D printer, the value jumps to either -2.99 or -...
- 453
3
votes
2
answers
3k
views
How to connect optocoupler module to ABL sensor and Ender 3 board
I am trying to figure out how to wire up Auto Bed Leveling (ABL) on my Ender 3 using the optocoupler and inductive proximity sensor below.
I cannot figure out how to wire it all together, all the ...
- 31
9
votes
1
answer
50k
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 ...
- 91
4
votes
4
answers
4k
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 ...
- 133
2
votes
1
answer
189
views
M12 vs M18 V5 inductive probe
I currently have my printrbot with a LJ12A3-4-Z/BX-5V Inductive Proximity Sensor ( 61mm M12 DC 5V NPN NO 300mA)
That detects my aluminium bed at around 1.2 mm distance. While it works, if the ...
- 269
19
votes
1
answer
59k
views
How to set Z-probe boundary limits in firmware when using automatic bed leveling?
In setting up a probe for automatic bed leveling, the limits of the probing area must be entered in the firmware of a 3D printer.
When using a sensor, how do you define the bed limits for the sensor ...
- 34.5k
1
vote
1
answer
626
views
Why does my DIY printer start printing in air?
I've built a DIY 3D printer similar to Prusa i3. It does homing and bed leveling very well with a PNP Lj12a3_4_Z_BY sensor using G28 and ...
- 551
1
vote
1
answer
8k
views
3DTouch sensor fails after probe deployment and triggering
I'm using a 3DTouch sensor (from Geeetech) on a self-build CoreXY printer (HyperCube Evolution). The sensor worked perfectly until not being used for a month.
The symptoms are that it fails to deploy ...
- 34.5k
9
votes
3
answers
10k
views
Inductive Sensor in 24 V machine?
I am getting a 24 V based Ender 3. From the factory, it has an aluminium bed. So I also put this LJ12 A3-4-Z/BX Inductive NPN NO 4 mm with 6-36 V operation current into the box together with ...
- 21.2k
5
votes
1
answer
2k
views
Problem with print bed height on Creality Ender 4
I am a novice to 3D printing and have encountered an issue that I cannot seem to solve. Hopefully someone here can point me in the right direction.
I have a Creality Ender 4 that I purchased a few ...
- 51
3
votes
3
answers
6k
views
Which proximity sensor to use?
I am building a dolly and I am confused as to which proximity sensor to use.
Should I go for M8 or M12 and 5 V or 6-36 V?
What should be the best detecting distance? Should it be 2/4/8&...
- 165
7
votes
1
answer
2k
views
Marlin's bed leveling Mesh Validation Pattern ignoring home offset
I'm using a Prusa clone with Ramps 1.4, Marlin 1.1.5 and an inductive proximity sensor Z-probe. Due to the design of the printer, the X and Y end-stops and the Z-probe are not exactly aligned with the ...
- 271
4
votes
1
answer
2k
views
3DTouch triggers way too close
Today I finished building and adjusting a Prusa-Clone printer. The brain is a 32-bit board with Smoothieware on in. To run the auto bed leveling routine I installed a 3DTouch (BLTouch clone, sorry low ...
- 433
2
votes
1
answer
507
views
MKS Sbase Probing
So I have an MKS Sbase v1.3 that I am trying to use in a delta printer. I am trying to use a PNP inductive sensor with it and it doesn't work. I have tried using a voltage divider with it already (10k ...
- 401
2
votes
1
answer
1k
views
Auto bed leveling with BL Touch sensor crashing to bed
I'm new to 3d printing and I recently bought a Geeetech Prusa i3 Pro B along with a BL Touch (3D touch) sensor to do auto bed leveling.
I printed the sensor holder, mounted it and the sensor to the ...
- 51
3
votes
1
answer
948
views
Unable to install auto-bed levelling sensor into my Anet A8
I've been trying to install an inductive sensor for auto-bed levelling into my Anet A8 and I'm having a few issues.
I have been using the wiring diagram provided by Solid Ground Electronics in one ...
- 31
2
votes
1
answer
1k
views
XYZ calibration without PINDA probe
I have been happily printing with my Original Prusa i3 MK2S for a few weeks now. I have been thinking about replacing the PINDA probe with a BLTouch tactile sensor.
If I do so, how will I be able to ...
- 45
5
votes
2
answers
3k
views
What does Marlin's G30 code do?
I'm using Marlin 1.1.0RC8 to control an MPCNC, using a RAMPS1.4. We've just added a touch-plate to do Z-probing, which works nicely for a single probe (I just want calibrated height for variant bit-...
- 189