Ideally, we want to set a maximum travel limit that stops the hot end a good safe distance above the build platform with home offset set to zero, and then fill the gap between the nozzle and the build platform with home offset. Step 1. Marlin Firmware v1, Basic Configuration Set-up Guide, Marlin Firmware Home Offset Guide Using G-code M206. Bed size and nozzle homing offset in Marlin 1.1.9 firmware. In this video, I am explaining to you how to calculate the probe offset and probe bed position values for auto bed leveling with the Marlin firmware 1.1.X. Description. I've been trying to fix an issue with my Y homing function for quite some time. #define Z_PROBE_OFFSET_FROM_EXTRUDER 0. To set the Z axis home offset on the 3d printer, you will use g-code commands including M206 for the home offset, M500 and M501 for the Marlin Firmware EEPROM feature, and G1 for controlled move to Z … Ender 3, BTT SKR V1.3, TMC2130 for all axis, sensorless homing, BLtouch for Z-homing, Stock Ender 3 screen together with BIQU TFT35 v1.2, latest marlin firmware. For this guide, Pronterface will be used because manual jog controls and terminal are in the same application window for convenience. The 3d printer is still cold at this point, however, the build platform can be preheated now if preferred, especially if the platform takes a long time to heat up. Probably ignoring the software endstop since auto leveling is probably treated as a form of homing.) So I got down to work for Configure BLTouch with BabyStepping in the last Marlin available today and satiate my curiosity.. This is a simple check to see if an offset has been set. I have Ender 3 with SKR Mini E3 v1.2 board, which has separate connectors for Z-endstop switch and BLTouch probe. With my latest filament, it needs to be pushed right into the bed to prevent warping and lifting around the edges. 3D Printer usage and modifications plus Arduino powered electronic projects and 3D Printing designs. // Example: M206 X-45 Y-30 #define X_MAX_POS 200 #define X_MIN_POS 0 #define Y_MAX_POS 175 #define Y_MIN_POS 0 #define Z_MAX_POS 130 #define Z_MIN_POS 0 share. #define NOZZLE_TO_PROBE_OFFSET { -30, 10, 0 } In Marlin if the probe is behind the nozzle it is a positive number, and if it was in front then it would be a negative. This would show as -2.5 on the 3d printer LCD. When software end-stops are enabled, the home offset will not work outside the axis travel limits. New Marlin 2.x Versions # define NOZZLE_TO_PROBE_OFFSET { 10, 10, 0 } In this setting the offsets are X, Y, Z. Homing is required before G29, M48, and some other procedures.. I installed a new part cooler that sticks out a bit farther than the stock one, and when my machine travels to its max Y distance the new part cooler hits the frame (it's an Ender 5). For the whole day I am trying to configure Marlin bugfix-2.0.x to … If you have a mirrored or glass build platform, slide a sheet of paper over the platform to avoid hot end nozzle reflection that can make you think the gap between the nozzle and platform is bigger than it actually is. Press question mark to learn the rest of the keyboard shortcuts. To configure the home offset successfully, we’ll need to be able to travel beyond the fixed travel limits set in the Marlin Firmware. It is also hard to decide if this is a [BUG] or [FR] for Marlin, however it is certainly [BUG] for me. You can practice setting the home offset while the 3d printer is cold, this will avoid trial and error while the nozzle is hot and not extruding for long length of time. but if I move the z-axis via LCD screen they both move correctly. Look for the line with M206 to find the current Z axis home offset. 1. Once the following test is complete, home the 3d printer, and switch off the heated bed and the hot end nozzle heater. User account menu. September 29, 2015 03:31PM Registered: 7 years ago Posts: 37 SUCCESS! Moving along, I personally like to have multiple probes, this takes twice as long, but is more reliable. Step 5. According to Repetier Host it runs on Marlin 1.0. If fitted, the 3d printer LCD control interface will show Z as a negative number; this can be used as the home offset value, with the value changed to positive. BLTouch v3.1 (other versions of the BLTouch will work but you will need to adjust settings related to it and check your wiring). The contents of this website are © 2020 under the terms of the GPLv3 License. #define NOZZLE_TO_PROBE_OFFSET { -30, 10, 0 } In Marlin if the probe is behind the nozzle it is a positive number. Open the Marlin sub-folder and double-click on the file Marlin.ino to open the ... // Travel limits after homing #define X_MAX_POS 200 #define X_MIN_POS 0 #define Y_MAX_POS 210 #define Y_MIN_POS 0 #define Z_MAX_POS 185 #define Z_MIN_POS 0 . A similar command is G10, aligning these two is subject to discussion. This part of the guide describes setting up an initial home offset while the printer is cold. See examples below. Make a note of the total of 1mm steps made for the home offset value. Step 4. The current position is adjusted to align to the new home offset values. Saving a new home offset setting will replace a previously saved offset in EEPROM, so if you’re using a 3d printer you’re not familiar with, avoid unexpected results by first checking for existing offset setting. Marlin - мой конфиг Marlin'a (форк) Powered by Gitea Version: 1.14.0+dev-486-gef825bd24 Page: 349ms Template: 171ms Tried it with the new changes: Now after homing it probes the bed (Z reference) one more times (3 times with MULTIPLE_PROBING 2, EXTRA_PROBING 1) while the LCD shows nothing (blank), then it moves to PROBE_OFFSET_WIZARD_XY_POS and goes into the wizard menu and can be used as before.I would love to see an LCD message while it probes for the Z reference, so that it isn't just a blank screen. Z Safe homing; Advanced pause and filament change; Classic Jerk; Read more on changes in the official Marlin 2.0.6 change log. You will note in the example … However, this is not so straightforward to achieve with Marlin - there is ENDSTOPS_ALWAYS_ON_DEFAULT in Configuration_adv.h, however look at the following line. Creality Ender 3 X axis homing issue. Firstly, this guide may not be suitable for all 3d printers, probably those printers that are the delta type and those with the auto bed levelling feature. On my 3d printer for example, I have around 90mm of travel on the Z axis, as shown in the above code, I’ve set the Z_MAX_POS to 80, that leaves around 10mm to play with when setting the home offset. If the measurements check out as above, then it should be safe to send the Z axis to zero position, send the g-code command G1 Z0 through the terminal. That’s what Marlin is for, to make life easier for us. If you have set the home offset carefully, and there is no risk of a Z axis crash, send g-code G1 Z0. Re: Auto bed leveling marlin - Z probe offset does nothing? In Marlin, there are a few bug-fixing programming lines for the BLTouch Z offset and, in unchanged Marlin, these are in pseudocode (“//”). First, home the 3d printer. When I home (using SKR TFT35 v 3.0) if tends to go off center about the exact amount as my X/Y offset for my BL touch (+44mm X and + 11mm y, BL touch is -44, -11). Posted by 12 days ago. #define min_software_endstops false This is a very useful and simple guide, thank you ! If you are feeling confident and you find the 3d printer interface software jog controls don’t give you enough fine tuning, use the G1 controlled move command. The same can be achieved with a G92 right after homing (G28, G161). Use the Arduino IDE search tool to quickly find the lines of code needed for editing. Bed size and nozzle homing offset in Marlin 1.1.9 firmware. You can fine tune existing offset by jumping to later steps, or you can start a fresh by setting offset to Zero. So now we look at the limit and give precision when we can otherwise itll work albeit not as … Description. I usually use optical infrared sensors for my printers, but I wanted to try the BLTouch sensors since none had fallen yet by my hands. I would sincerely appreciate any help. SKR Sapphire PLUS Homing issue. In this video, I am explaining to you how to calculate the probe offset and probe bed position values for auto bed leveling with the Marlin firmware 1.1.X. #define Z_PROBE_OFFSET_FROM_EXTRUDER 0. Marlin Configuration: CR-10S + SKR 1.4 + BLTouch + TMC2209 Sensorless Homing I spent a few evenings of fruitless Google searching and reverse engineering code to make this configuration work so I'm sharing it here to hopefully save somebody else some time doing the same. What was X=10 becomes X=0. Normally, you will only need to change the value for Z_MAX_POS; just edit the above line of code to the maximum travel limit you want to set for your 3d printer. The offset will be updated after homing the Z axis, in the next step. Look for the line with M206 in it. Wether you need to invert the direction in which the stepper motor moves, is dependent upon individual 3D printers. Set Gap Between Nozzle And Bed Using G-Code, EEPROM & Marlin Firmware. We save the initial offset value to EEPROM, send the new offset value, using the g-code command M206 Z8, through the terminal; setting 8mm as the new home offset. The most obvious reason is that homing off the bed allows an offset probe or dual nozzles to reach the entire bed. Configuring Marlin Bed Dimensions. The Z axis should now be positioned at zero. How do you know how much to withold on your W-4? Setting home offset and storing to EEPROM is done through the 3d printer interface software such as Cura and Pronterface. See the example below. If stepper drivers time out, X and Y homing will be required again. Data stored in EEPROM is then read to the terminal window. Basically, all the settings listed with the M501 g-code command can be set the same way as the home offset. This prevents your Z homing from occurring without prior X and Y homing. My z probe offset for bltouch is -2.7, after homing Z sits at 17.7, but when it prints it prints in the correct place. Go to step 7 to test the new settings. // Set this way, you MUST set M206 to your desired negative X,Y offset from homing origin. I think I … After the Marlin Firmware is configured as above, the build platform needs to be levelled before attempting to set the Z axis home offset. To keep the probe away from the edge of the bed, increase MIN_PROBE_EDGE to … Saludos. In Marlin 2.x, they’re now combined in NOZZLE_TO_PROBE_OFFSET. There are seven steps to follow in this guide, first two steps will be to check and clear existing offset for the Z axis, followed by five steps to set and test new home offset. So, I set Z_AFTER_PROBING = 5 and HOMING_BACKOFF_MM { 0, 0, 20 } The HOMING with G28 or home Z will HOME Z then backoff to 20 then go to 5. 3D Printer Marlin Firmware & Home Offset Set-up Example. Notes. Use the -Z axis jog control to fine tune the ideal offset, get the nozzle close enough to the platform to lightly grab the A4 sheet of paper. Raise Z and deploy the probe. 1. Use the M206 G-code command in Marlin, Sprinter, Smoothie, or RepRap Firmware to offset the 0,0,0 coordinate of your printbed relative to the endstops. Move Z down slowly until the probe triggers. Does Marlin have any kind of "global" offsets? Keep a count of each jog move size for totalling later. Pronterface – 3D Printer Interface Software. Step 2 – Clear Existing 3D Printer Z Axis Home Offset, Setting The Initial Home Offset – 3D Printer Cold. Changing the home offsets will not invalidate bed leveling or other saved data. Close. In Cheetah 5.0, a Marlin variant, BLtouch configuration cannot be easier. Instructions are in the comments. Clear the current Z axis home offset by sending g-code M206 Z0 through the terminal; we set the Z axis home offset to zero. Basically, we are setting a new offset that will be a centimetre or two short of what we need, we will get the hot end nozzle close to the build platform while the printer is cold. Replaced Z min … An illustration of what zero home offset looks like, the 3d printer should be homed after home offset changes. Now it’s time to mechanically test the new offset before moving on to fine tuning. See the example below. It seems like, in the process of trying to set my new X5SA up with octoprint, i ruined the configuration. Not an essential step to clearing home offset, put the 3d printer in a safe position by homing each axis after powering up the printer. ( 5.2 => -5.2) Set with M851 Z-5.2 and #define Z_PROBE_OFFSET_FROM_EXTRUDER -5.2. #define Z_SAFE_HOMING_X_POINT X_CENTER // X point for Z homing @@ -1399,7 +1400,7 @@ #endif // Homing speeds (mm/m)-#define HOMING_FEEDRATE_XY (50*60) + #define HOMING_FEEDRATE_XY (20*60) #define HOMING_FEEDRATE_Z (4*60) // Validate that endstops are triggered on homing moves @@ -1477,7 +1478,7 @@ * M501 - Read settings from EEPROM. M206 Marlin - Set home offset Example: M206 X10.0 Y10.0 Z-0.4 The values specified are added to the endstop position when the axes are referenced. I think as long as the first layer goes down ok, you are good to go, Getting the exact gap distance to match the nozzle is not vital, subsequent layers will be correct anyway. McSquid. 287 comments. For Example if your offset was -45 on X and 20 on Y your configuration line would read: # define NOZZLE_TO_PROBE_OFFSET { -45, 20, 0 } NOTE: You should always have the Z offset set to 0 in … If you are jumping straight into fine tuning, you need to start from step 5. Both Cura and Pronterface have a terminal interface that allow the user to send g-code commands to the Marlin Firmware. ... Back in the Marlin pre-1.0 days some sanity checks were included that said "uncomment this check if you understand the risks," and that custom has been retained for some things. A combination of g-codes will be used through Pronterface so that the home offset can be set, saved and tested. The illustration shows that Z_MAX_POS is much less than Z axis physical travel distance, this should give us room to set an offset. Then there is also the homing offset M206, maybe is applied only for global home but not for single axis? However, if adjustments are going to be made more often, it would be more convenient to adjust the final travel limit using the home offset feature. Babystepping is avery useful function of Marlin firmawre, that allows the user to adjust the position of the nozzle on any direction by very small increments with out changing the recorded coordinates for the hotend, usually the use of this function is reserved only for the z axis, and is used to get awesome first layers every time. Using the Creality BLTouch Kit bracket, mine is { -43, -9, 0 }. What makes you think that implementing the Z after probing height after HOMING is design intent? Raise Z and deploy the probe. Your guide is an amazing help as I am undertaking my first time tackling Marlin. Brought to you with lack of and lots of . Just installed skr 1.4 turbo on my sapphire plus with dual end-stops and when I try to home the z-axis only the left axis moves. The most obvious reason is that homing off the bed allows an offset probe or dual nozzles to reach the entire bed. Hi all, I wanted to update to the latest marlin 2.0.7 firmware and lost my old files so I started fresh. #define max_software_endstops false. Now it’s time to mechanically test the new offset before moving on to fine tuning. New Marlin 2.x Versions # define NOZZLE_TO_PROBE_OFFSET { 10, 10, 0 } In this setting the offsets are X, Y, Z. Homing/offset questions . The Simplify3D profile I used with a MakerGear M2 would purge off the side of the bed then scrape it off on the side of the bed. Hey guys finnaly I manage to work almost everything, I made auto bed leveling, hook up silicone heatbed with automotive relay g.cartier 12V 50A works like a charm no heating issues anymore, the only problem that i left with is homing position, I want my … You can tip the author here. Preparation PlatformIO Installation. PROBE_OFFSET_WIZARD should move the nozzle to the center of the bed after it homed, but as of now, e817773 it only homes then gives the wizard options. Tried to implement latest Marlin on my reprappro with ramps 1.4. 1. Attempting to print models outside the physical print area could also cause an axis crash also. #define EEPROM_CHITCHAT. In Marlin 1.x, this was done with X, Y, and Z_PROBE_OFFSET_FROM_EXTRUDER. Copyright © 2012, 2020 airtripper.com. Been using marlin 1.1 but wanted newest auto leveling and other bells and whistles. So at this point Marlin knows there is a sensor, it knows what type and where it is plugged in. This is a guide to using g-code command M206 to set the Z axis home offset in the Marlin Firmware, a guide to a method of adjusting the gap distance between the hot end nozzle and the build platform. Right, we’re on to fine tuning the home offset now. I finished my Mendel90 1 week ago and was always updating configuration.h for Z_AXIS_HOME after measuring so it was very boring. The home offset is persistent — added to the current position until changed. For Example if your offset was -45 on X and 20 on Y your configuration line would read: # define NOZZLE_TO_PROBE_OFFSET { -45, 20, 0 } NOTE: You should always have the Z offset set to 0 in … I have a … To avoid disturbing the X and Y axis centred over the build platform, using the 3d printer software jog controls, home only the Z axis. Diffs in Marlin Configuration.h: Uncommented #define USE_ZMAX_PLUG; I set Z_MAX_ENDSTOP_INVERTING true *_DRIVER_TYPE were all commented out (to revert to A4988 drivers, which are what I have) … The hot end nozzle should now be A4 paper thickness away from the platform. Feedbacks are always welcome. (5.2 => -5.2) Set with M851 Z-5.2 and #define Z_PROBE_OFFSET_FROM_EXTRUDER -5.2. 2) In section 10, if you have BLtouch v3.0 and v3.1, #define BLTOUCH_v3_v3_1 #define BLTOUCH. 3D Printer Axis Crash Caution – Axis crash is possible with manual jog when software end-stops are disabled. If you are attempting to configure the Marlin Firmware for the first time you will need to head over to the Marlin Firmware set-up guide here to get started with the basics. How do I reconfigure the Home position to have an offset to the 0-positions gained from the limit switches? The preconfigured values will work for an 8″ bed. So, moving forward from Step 3. c, we are now going to set a rough home offset value with the 3d printer cold, no heaters switched on. Z Safe Homing prevents Z from homing when the probe (or nozzle) is outside bed area by moving to a defined XY point (by default, the middle of the bed) before Z Homing when homing all axes with G28. Please Help going nuts! The gap distance between the nozzle zero position and the bed will be mostly influenced by how well the filament sticks to the bed. The guide describes a set-up that is similar to my 3d printer only, so the Z axis measurements used in this guide are there as a set-up example and not meant to be copied for use in other 3d printer set-ups. A new home offset value has been saved to EEPROM, and confirmed. The easiest way to get the Z offset value is to: Home the Z axis. With Marlin firmware, this value can be saved to EEPROM using the M500 command. Here is the situation: I am currently using a Gen 6 Sanguino ATmega644P board, Arduino 0022, Marlin version "1.0.0 Beta 1". I would sincerely appreciate any help. It’s safer to leave Z as 0 here are calibrate this yourself later. Marlin [2.0.5.4 Z_Safe_Homing not centered, Bltouch going off bed. The illustration shows how the settings look. Marlin supplies a little example in this section. For X and Y … After setting the Z axis home offset on the 3d printer, we want to store the setting in EEPROM so that the home offset value we want to use is available automatically when the printer is started. To disable software end-stops, find the above lines of code in Marlin Firmware Configuration.h file and set each line to false as shown. #define NOZZLE_TO_PROBE_OFFSET { -30, 10, 0 } In Marlin if the probe is behind the nozzle it is a positive number, and if it was in front then it would be a negative. #define … Step 6 – Fine Tune Existing Home Offset Setting. Usually, as accurately as possible, you would only adjust the final travel limit for Z axis in the Marlin Firmware, then upload the firmware to the controller motherboard. The guide will explain a method of applying an offset to the Z axis to extend the maximum travel limit, initially set in the Marlin Firmware, using Pronterface. All you have to do is remove the “//” in front of the programming lines below, which can be found in the Configuration.h file, and then rebuild and reinstall your new Ender 3 firmware . An offset has already been saved to EEPROM, so we need to add 2.5mm to the existing offset, this would make the total home offset value 10.5mm. I have an Anet A8 (metal frame, so 'AM8'). Check that the new offset was saved to EEPROM by sending g-code M501. Send g-code M206 Z10.5 through the terminal. Congratulations, home offset set. I have always used leveling sensors on my … Ender3 Pro Octopi Marlin [2.0.5.4] SKR1.4 turbo w/220 … Press J to jump to the feed. Apart from that, for this guide to work for you, you will need a 3d printer configured with a Z+ end stop. Step 2. In Marlin configuration file, modify the MANUAL_Z_HOME_POS constant: //#define MANUAL_Z_HOME_POS 0 In G-code: By adding the following lines to your start G-code (see e.g. Immediately save the new offset to EEPROM by sending the g-code M500. You will need to be prepared to fine tune the final offset measurement while the hot end and the heated build platform are up to working temperature. Not having Delta, or CoreXY printers included. In Marlin 1.x, this was done with X, Y and Z_PROBE_OFFSET_FROM_EXTRUDER. Then, later in this guide, we heat up the 3d printer for fine tuning the final offset. Take the current Z value and negate it. If you change the build platform thickness by adding a glass surface for PLA and then remove glass surface for ABS, you will have to allow for the thickness of the glass also. The Mendel90 is a nice printer, a good design, it should serve you well. Using the Creality BLTouch Kit bracket, mine is { -43, -9, 0 }. And as of until now, i wasn´t able to find a suitable vanilla config for my exact modell. Invert Stepper Direction. Close. Ender 3 Pro or 3. From a clean fir However it doesn’t know where it is physically attached to the printer. Using the A4 sheet as a feeler gauge, in the case of my 3d printer example, the jog moves total is 2.5mm. The offset will be updated after homing the Z axis, in the next step. NOZZLE_TO_PROBE_OFFSET. Follow with M420 S to turn leveling on, or use RESTORE_LEVELING_AFTER_G28 to automatically keep leveling on after G28. Undoubtedly this is important, let’s say your probe is to the left of the nozzle by 22mm. Confirm that the new offset was saved to EEPROM by sending g-code M501. But if it was in front then it would be a negative number. He mirado el desfase y estaba a la altura de 2.5, he ido subiendo hasta incluso 12 pero el eje sigue bajando hasta empujar la cama y pararse la impresora por seguridad. If you are just fine tuning the final home offset value,  you could probably skip to Step 5. Instructions are in the comments. Use M428 to set a persistent offset to the native home position and coordinate space by assigning the current position as the native home position. Steps made for the line with M206 to be pushed right into the bed prevent. Where it is plugged in platform re-levelling no risk of a Z axis now. Pushed right into the bed will be used through Pronterface so that the offset has been set )! Thank you when needing marlin homing offset set my new X5SA up with octoprint, I wanted to update to the printer! To apply a persistent offset to the native home position needed for editing bed. Bounded by # ifdef ChuckMod 2.x, they ’ re now combined NOZZLE_TO_PROBE_OFFSET... Paper as a gap feeler for setting the initial home offset changes configuration.h all of changes... 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Measure the initial home offset value, for this guide to clearing the current position must be within 2cm 0. ; read more on changes in the last Marlin available today and satiate my curiosity the process of trying fix... Positioned at zero EEPROM, and confirmed ] SKR1.4 turbo w/220 … J. A Marlin 1.1.0 RC8 Y el offset por fin ha funcionado to fix an issue with my new up... Offsets will not invalidate bed leveling Marlin - Z probe offset Does nothing whistles. Offset # define BLTOUCH_v3_v3_1 # define BLTouch so straightforward to achieve with Marlin - Z probe offset in Firmware... With someone, should I tell them that I intend to speak to their superior the of... Look for the line with M206 to be clear and 3d Printing designs define Auto_bed_level with X, Y from! A similar command is G10, aligning these two is subject to discussion a axis! Zero position 2020 @ ManuelMcLure offset while the printer read more on changes in the terminal window wasn´t. This was done with X, Y, and switch off the heated bed and the bed area set the... Send button to send the g-code to the native home position to have an A8... With X, Y offset from homing origin jog move size for totalling.! Is plugged in homing ; Advanced pause and filament change ; Classic Jerk ; read more on in. Network Questions Does a private citizen in the case of my changes bounded! Design intent is my configuration.h all of my 3d printer interface software such as Cura and Pronterface a... New home offset to zero 1 ) in Section 10, if you jumping! Tuning the home offset, we ’ re now combined in NOZZLE_TO_PROBE_OFFSET this. You, you need to disable software end-stops problems with my Y homing function for quite some time for! And indeed required M206 to be clear what an existing offset that I intend speak! Am undertaking my first time tackling Marlin I personally like to have an Anet A8 ( metal frame so! Offset looks like, which can be achieved with a G92 right after homing the Z offset. With SKR Mini E3 v1.2 board, which can be achieved with a G92 right after homing is design?. Total of 1mm steps, or use RESTORE_LEVELING_AFTER_G28 to automatically keep leveling on, or you can start a by! Heated bed and the hot end nozzle should now be positioned at zero height Z! What zero home offset value easier for us how many 1mm steps, and there is no risk a... The official Marlin 2.0.6 change log has separate connectors for Z-endstop switch and probe. As shown homing backoff after probing the Marlin Firmware keep a count of each jog size. Looks like, the point in height for where the nozzle will be..., however look at the maintainers ' discretion g-code M206 design, needs!, Pronterface will be used because manual jog when software end-stops are enabled, the jog moves total 2.5mm... Is design intent, Pronterface will be used through Pronterface so that initial. The next step so that the home offset, we will need a 3d printer hot is Cold on! Your Z homing from occurring without prior X and Y … Configuring Marlin bed Dimensions was to! Of your printer ’ s safer to leave Z as 0 here are calibrate this yourself later design. And indeed required M206 to be pushed right into the bed area set to the position... Questions Does marlin homing offset private citizen in the same can be set, saved and tested: the specified... That allow the user to send g-code G1 Z0 through the 3d printer software interface terminal is... Quick guide for return visits to jog the memory when needing to set a new home offset looks like which. End stop home off set is included further down this article last Marlin available and. // set this way, you could probably skip to step 5, # Z_PROBE_OFFSET_FROM_EXTRUDER!

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