Questions tagged [endstop]

Switch used to let the controller know the printer has reached the end of its travel in the home direction. Also known as a limit switch.

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BTT SKR2 Dual Z and Dual Y axis & endstops ... almost working

I've been trying for days to get my SKR2 board to work with both dual Y & Z-axis and independent end stops (2 per axis). The Y-axis does independent homing just fine no matter which way the gantry ...
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Ender3 V2: What stops the Y?

As there is no limit switch on the operator end of the Y (Y-), what stops its travel when the print is done?
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Impact on 3D printer of movement forced over the limit

Faulty endstop caused the printer (a traditional cartesian FDM) to try to move over the maximum axis limit at top, the noise has been atrocious, I don't see damages (apparently) but I'm wondering if ...
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Marlin firmware issues

So I'm working on building a Prusa i3 MK3 clone and all's gone well so far but when I make edits to the firmware and reupload it, the printer doesn't seem to be getting it. Like I changed the software ...
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Problem setting home and getting Ender 3 basic geometry dialed in

I have the following hardware configuration: Ender 3 Pro SKR E3 Turbo Ender Extender 400XL BLTouch BTT TFT35 E3 v3.0 (Marlin/LCD and BTT/BLTouch configured) Dual Z steppers (per Teaching Tech, ...
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3D printer Endstop doesn't trigger in Pronterface when depressed

I am using Makerbot endstops connected to a RAMPS 1.4/Arduino Mega 2560 setup. I am using Marlin firmware and Pronterface. When I send the M119 command, all six (I'...
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2 answers
1k views

Issue with Z homing on Ender 3 Pro with Marlin

I've just changed the motherboard on my Ender 3 Pro with a MKS GEN_L v1.0 and flashed the latest Marlin version on it. I've calibrated my bed manually using the default XY and Z auto home commands on ...
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Ender 3 - X Axis Cannot Reach True Home

After a year of printing smaller models, I finally went to print something that would take up most of the build plate from left to right and realized that my nozzle cannot reach "true" X ...
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Ender 3, why only 3 limit switches?

Why does the Ender 3 only have 3 limit switches instead of 6? How does it handle crashes on other sides? Is it worth adding them with a new mainboard?
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How to set Home Offsets and Manual Home definitions in Marlin correctly? [duplicate]

I am using an Ender 3 and I have just upgraded to the Hero Me Gen 5 fan duct adapter. This has shifted the nozzle position. I also flashed some new Marlin 2 firmware and in the Hero Me manual it says ...
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Y-min stay triggered

I have a FLSUN i3 220x220x240 with: an 2004 LCD (RepRap Discount Smart Controller) an MKS-gen-L-v1.0 printer board running Marlin firmware 2.0.5.x 3D touch sensor, a filament runout sensor. ...
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BigTreeTech mini e3 V1.2 endstop installation

I recently purchased a BigTreeTech mini e3 V1.2 controller for my custom built 3D printer (as opposed to an pre-purchased ender 3). In doing so, I ran into the problem that the endstops I have been ...
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2 votes
1 answer
657 views

How do the MAX endstops work?

I’m building my new 3D printer and I have a doubt. I’m using limit switches on the 3 axes, but only the MIN switches. I also have another three switches which I want to use as MAX switches. How can I ...
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4 votes
2 answers
137 views

My DIY printer only boots when all my endstops are triggered. Why is that?

Recycling a Robin Nano board to build a 3D printer using an old computer PSU (300 W), it only boots on when I have no endstops pugged in at all or if I trigger all the ones I have plugged. At the ...
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Reprogram Marlin to assign endstop pins to arbitrary tasks [Arduino Mega]

Can someone point me out an appropriate entry code for this task in Marlin source code?
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Home E / extrude until endstop is triggered

I'm working on something that I'll share once it's done (then hope it's not a disaster and actually useful to someone). It requires a stepper to rotate a part by a certain amount of degrees, which I ...
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Tevo tarantula Z- port burnt

I burnt the Z- port for the Z endstop. Can I use the Z+ port? I'm using Jim Brown's Marlin firmware. Any help to change that is highly appreciated. I know nothing about code. Sorry for my ignorance. ...
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384 views

Marlin endstop hit message deciphering/real position

Similar to, but different from, Marlin, end stops, and position report - possible bug? This is roughly the same question, but I'm trying to understand the endstops hit response from Marlin. I'm ...
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3 votes
2 answers
938 views

Limit Switch problems on RAMPS 1.4 and custom built 3D Printer running Marlin 1.1.0-rc6

So I am trying to fix a custom built 3D printer for my institute and am running into a problem I can't wrap my head around. So the limit switches for Y-axis and Z-Axis work just fine, but the X-Axis ...
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5 votes
1 answer
146 views

What is this part and does it have to do with my my z-position is messed up?

I recently bought my first 3d printer, a monoprice maker select v2. After a couple of print jobs, this piece fell out. I have no idea where it came from. But afterwards, I notice that my Z-...
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6 votes
2 answers
321 views

Does moving the z-endstop upwards affect the maximum height of the printable object?

As moving the endstop upwards reduces the range of the z-axis, I was wondering whether it reduces the maximum height of the printable object, by the distance the endstop was moved. Or is this somehow (...
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2 answers
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TEVO Tarantula Z-Axis Lowering Too Far After Endstop Triggered

A z-axis homing issue is giving me an ulcer. I'm hoping someone can help with this. As per usual, after the Z endstop is triggered on my TEVO Tarantula the gantry raises a bit then slowly lowers back ...
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4 votes
1 answer
205 views

MKS board losing power after endstop installation

I just bought an MKS gen v1.3, and everything on it works fine except for when I plug in the endstops. My X endstop works perfectly in every endstop outlet, but when I plug in my Z and Y endstops, the ...
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5 votes
1 answer
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Z-axis endstop not functioning after Marlin Firmware installation

I've had my Monoprice Maker Ultimate for a few months and have started doing upgrades to it. My most recent change is in upgrading the firmware to a newer version of Marlin so that I can better ...
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3 votes
1 answer
930 views

Z-axis comes down and presses the bed while printing

I am using a Prusa i3 with Marlin Firmware. All the components of my 3D printer working fine. I have a problem with my Z-axis, it comes down and get pressed by the bed. I have tried adjusting the ...
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3 votes
2 answers
1k views

Homing a stepper motor as an extruder using E0/E1 with an limit switch and end stop

Note: I have extended my question as some of you mentioned that the question is not clear. I am using a RAMPS 1.4 board with an Arduino mega 2560. I need to drive a stepper motor as an extruder using ...
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3 votes
1 answer
871 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 ...
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4 votes
1 answer
907 views

how to level kossel's endstops?

My printer is kossel (delta 3d printer). I have a probe far away from the nozzle (offset -x45 y17),every time I run G29, the result is unacceptable, the z distance between points is over 0.5mm, it's ...
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6 votes
3 answers
819 views

Is cutting the arm off the Z-axis switch a good idea?

We all know (or should!) that the repeatability of common spring-arm limit switches is crappy at best. I'm looking to build & install one of the precision height adjusters for the Z-axis limit ...
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9 votes
3 answers
12k views

Endstops will not trigger using Marlin Firmware

I have an old Solidoodle 2 that I bought broken from a garage sale that I am converting to use RAMPS 1.4 with Marlin Firmware. All the motors work correctly, I am just having issues getting the ...
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4 votes
1 answer
297 views

Connecting Sain Smart Mechanical End Stops to Ramps 1.4?

I have Sainsmart Mechanical End Stops, and I'm building a Prusa i3 Rework. I've recently gotten the x-axis to move, but it needs to stop when it gets to the end and it does not do that; I end up ...
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15 votes
6 answers
28k views

Which endstops are most precise?

I have seen mechanical (micro switch), optical and magnetic(magnet + hall sensor) end stops. Are there any differences in how exact they switch at the right location? If so which are the most ...
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