... To verify your current settings during calibration just an M666 will show the current offsets. Hook everything back up to Repetier and run M119. For our analogy about the room above, if stumbling into the wall is our mechanical endstop then our knowledge about the opposite wall being +5 away would be a software endstop . Hi, Prusa i3 with arduino mega 2560 board and ramps 1.4 - everything build and connected, ready to start. My issue is this, homing works fine on all 3 axis so I know that the X MAX, Y MAX, Z MAX endstops are working fine. This is roughly the same question, but I'm trying to understand the endstops hit response from Marlin. - MarlinFirmware/Marlin Once the correct offset are found you should input them into your firmware. I uploaded the firmware, and installed Pronterface (I am using Marlin). Check with your vendor if you need source code for your specific machine. I have Marlin installed, and the movements of the printer seem okay, I know there are a few settings that I need to tweak, but that is not where my problem lies. @pysco68 The allen key probe has another feature, which is that Marlin actually expects it to be triggered when it's stowed. I often see confusion by people in IRC about how to disable and enable endstops so that accidentally sending a home command (G28) doesn’t cause their printer to crash an axis past it’s physical range. I had to cycle the machine off and on and it turned on like normal but I had to restart the print. So last week I had an 8-hour print pause on me halfway through. Ender 3 Pro/Bigtreetech Mini E3 V2.0/Micro Swiss Direct Drive + All Metal Hotend/Marlin 2.0.7.2./Cura 4.8.0. Similar to, but different from, Marlin, end stops, and position report - possible bug? I'm not sure how this is working out in your case, but it could prevent the probe from being disabled if it doesn't show up triggered as soon as it's stowed. I'm working on a prototype machine that has min and max endstops on X, Y. Marlin also has support for software endstops. Considering this is my first printer, I am lost. To verify your current settings during calibration just an M666 will show the current offsets. | Many commercial 3D printers come with Marlin installed. Everything works 1. motor for extruder is … It should show 3 endstops now instead of 6 and they should say open instead of triggered. Use M206 to apply a persistent offset to the native home position and coordinate space. I woke up in the morning to find the machine still on and the print paused. A software endstop tells the machine that it should not attempt to travel beyond a limit defined in software. See examples below. That logic is handled in lines 2083-2095 of Marlin_main.cpp. The unused extruder driver/s are used for the extra stepper/s. Auto Square, Dual EndStops ... Marlin’s extruders=0 or remapping of pins is used in the firmware to allow the use of all the control boards drivers. Disabling/Enabling endstops in Marlin by OhmEye on February 25, 2013 at 3:49 pm. Description. This effectively shifts the coordinate space in the negative direction. Then, if the endstops show as triggered all the time, your endstops are probably not 3.3V compatible and you need to modify them - see Connecting endstop switches. Marlin is an optimized firmware for RepRap 3D printers based on the Arduino platform. Posted In: 3D Printing. You'll need to make sure they hooked up to the right pins on the board as well (I had mine hooked up wrong) if you need a picture of where they go, let me know and I will upload one for you. The current position is adjusted to align to the new home offset values. 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