Questions tagged [z-probe]
Use this tag for question that relate to switches or probes to level the bed either manually or automatically
49
questions
2
votes
0answers
42 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 ...
1
vote
0answers
65 views
Tronxy X5SA not working properly after Marlin firmware installation
Yesterday I just 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 ...
2
votes
0answers
115 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 ...
2
votes
0answers
431 views
BLTouch will not deploy, stow, or deploy when homing or auto leveling
So I am just about at my wit's end with these stupid BLTouch sensors - with 3 separate posts on this forum regarding them, my own posts even showing in the 'Similar questions' box at the time of ...
2
votes
4answers
239 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 ...
2
votes
0answers
134 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
202 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 ...
6
votes
1answer
3k 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/...
2
votes
0answers
95 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
1answer
59 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
1answer
44 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 ...
2
votes
1answer
424 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 ...
2
votes
1answer
79 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 ...
1
vote
1answer
1k 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 ...
1
vote
1answer
213 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
votes
1answer
120 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 ...
1
vote
2answers
6k 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&...
0
votes
1answer
613 views
Marlin bed autoleveling confusion
I've just added a Z-Probe sensor to my custom printer (Arduino - RAMPS 1.4 - Marlin 2 ...
1
vote
2answers
258 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 ...
4
votes
2answers
1k 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 ...
0
votes
2answers
369 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&...
3
votes
1answer
408 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
votes
3answers
483 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
vote
0answers
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 ...
5
votes
1answer
21k 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 -...
3
votes
2answers
2k 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 ...
7
votes
1answer
28k 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 ...
4
votes
3answers
3k 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 ...
2
votes
1answer
144 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 ...
15
votes
1answer
36k 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 ...
1
vote
1answer
480 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 ...
1
vote
1answer
7k 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 ...
8
votes
3answers
8k 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 ...
5
votes
1answer
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 ...
3
votes
3answers
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&...
7
votes
1answer
1k 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 ...
3
votes
1answer
2k views
3Dtouch triggers way too close
Today I finished building and adjusting a Prusa-Clone printer. The brain is a 32bit board with Smoothieware on in. To run the auto bed leveling routine I installed a 3DTouch (BLTouch clone, sorry low ...
2
votes
1answer
439 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 ...
2
votes
1answer
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 ...
3
votes
1answer
847 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 ...
2
votes
1answer
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 ...
5
votes
2answers
2k 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-...
2
votes
1answer
2k views
Marlin: possible to set ZMin limit when ZProbing?
Question: Can a "ZMin-while-probing" be set?
Meaning a minimum Z height the printer bed can move to, while Z Probing.
Purpose: For safety reasons should the probe switch not fire for some reason.
-...
5
votes
2answers
4k views
Autobed leveling doesn't compensate
I finally manage to setup the ABL on my Prusa.
I run G28 to home all axes (for z I use the same probe used for ABL). Then
I run G29 E ( I use E because otherwise for some reason I have not understood ...
6
votes
2answers
4k views
Auto bed levelling with Rumba board - Servo not deploying
Has anyone succeeded in installing the auto bed levelling on a Rumba board with Marlin firmware?
I have the last stable version 1.1.0 RC6.
I would appreciate some direction especially about:
How ...
9
votes
1answer
7k views
Z offset incorrect
Repetier host 1.6.2.
Used Slic3r and CuraEngine in RH1.6.2 to slice my prints.
OK, I've a problem.. Z offset does not work.. Well..
Flashed EEPROM clear.
Enabled EEPROM and CHIT CHAT within firmware....
4
votes
2answers
3k views
Bed leveling method not working with Repetier firmware 0.92.9?
I homebuilt a delta 3D printer (like Kossel mini) with a Z probe near the hotend with manual deploy and RAMPS 1.4 board:
I configured the Repetier firmware with the online tool;
All my endstops (...
9
votes
3answers
2k views
Do I need to recalibrate z-probe offset every time I switch to a different layer height?
It occurs to me that I'm never really thinking about layer height when I calibrate my z-probe offset. This is obviously an oversight, because I'll want my nozzle to start higher for 0.3mm layers than ...
12
votes
1answer
22k views
How to configure Cura to run the Z probe before heating
I'm using Cura as my slicing/printing software and I just started using the BuildTak printing surface.
The BuildTak is damaged by pushing a hot nozzle into it and my printer's (Robo3D R1+) ...
