I moved the function move_z_after_homing() out of the #ifdef block. It would be nice (in spite of protestations against making this available) if it was also available when not using a probe, and if it was applied when homing X and Y (but not Z when there's a regular endstop). // - Prevent Z homing when the Z probe is outside bed area. Configs, descriptions, even a video. As noted in #1736 it looks like Z_RAISE_BEFORE_HOMING occurs just when homing Z and only after homing X and Y. After homing the 3d printer again, the Z axis will be updated, and the -2.5 position will become the new zero position. Use M206 to apply a persistent offset to the native home position and coordinate space. Notes. To increase the homing speed, increase HOMING_FEEDRATE_XY from (20*60) to (40*60) and HOMING_FEEDRATE_Z from (4*60) to (8*60). When homing z the switch has to be unswitched! By clicking “Sign up for GitHub”, you agree to our terms of service and If homing is needed the LCD will blink the X Y Z indicators. https://github.com/MarlinFirmware/Marlin/blob/Development/Marlin/Configuration.h#L447. As a side-effect, X and Y homing are required before Z homing. boelle changed the title [BUG] HOMING_BACKOFF_MM confused with Z_AFTER_PROBING [BUG] [Bugfix 2.0.x] HOMING_BACKOFF_MM confused with Z_AFTER_PROBING on Nov 24, 2019 When I dial the Bed Z value, when the printing starts, to bring the nozzle closer to the bed, it doesn't immediately reflect on the nozzle (like the babystep does). I am using the latest version of Marlin and it gave me nothing but issues, printer wouldn't move or home at all. Denn vor knapp 3 Stunden wurde ein „Big Update“ veröffentlicht und Marlin steht ab sofort in Version 2.0.6 zum Download bereit. Without this, you may accidentally miss the bed when homing Z. My printer is a Monoprice Mini V1 with a lot of mods, including a 32-bit controller and TMC2209 drivers. So, are you confirming that Z_RAISE_BEFORE_HOMING is not being applied before homing X or Y? I'll try it out on one of my other printers "just to make sure". In my logical way of thinking it makes sense to me that if you define a height to raise before homing, and if the hotend is too close to the bed (when homed) for the servo (if using a servo) to extend, but can't because the hotend isn't being raised before starting the homing process, then something is wrong. privacy statement. I had a little scare when the first time I tried it, it didn't lift. ... #define Z_RAISE_AFTER_PROBING 0 //How much the extruder will be raised after the last probing point. I have posted my marlin code for my autobed leveling below. (kill() called! Update: Tested on my E5+ which also has probe and levelling defined. YAY. Printer is a Wanhao i3, newly upgraded with an SKR 1.4 turbo board and BLtouch sensor. I'll try again tomorrow. 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. Follow with M420 S to turn leveling on, or use RESTORE_LEVELING_AFTER_G28 to automatically keep leveling on after G28. Dang it! I don't have access to this type of controller board at all. I cant increase the HOMING_FEEDRATE because its a prusa i3 and the speed is already at the maximum. Confirm XY position before Z Safe Homing; For G28 Z with Safe Homing, raise before move to XY; Fix SD_FINISHED_RELEASECOMMAND bug; Fix extra call to unskew() Limited backlash editing for Core kinematics; Support up to 8 Trinamic E drivers; Apply HOME_BEFORE_FILAMENT_CHANGE if any axis is unknown; Consider HOME_AFTER_DEACTIVATE for Z safe homing Part 7. Press the controller button to save the Z value and move … I will go through my Marlin config to make sure I didn't miss anything, but I think this is the case. ellensp - I hovered over your id and is says you are want boards to work with. I moved to print head to my desired X, Y, and Z positions and checked it against the model, which seemed to be right. I have a system with two Z axis motors and it happend sometimes that I want to level the X axis by rising it all the way up. Contact me Directly we can work out the details. The text was updated successfully, but these errors were encountered: For 'save homing' is a requirement that x & y are homed. When Click to Begin appears, press the controller button to move to the first point. Now the only time the Z motors make noise/vibrate is right after the homing is complete and they briefly move up when the nozzle begins to heat, as well as right after the heating is done and the nozzle dips down to begin the print. To see how slow my Z axis is moving check I'll confirm it. Please open a new issue for related bugs. Restored what we could from discord log below. Copied from Discord, not everything, but better than nothing: When homing, with or without safe homing, the Z axis completes the double "probe", but the nozzle stays ON the bed. It compiles but I am not in a position to test on a actual machine atm. Hi guys! Sign up for a free GitHub account to open an issue and contact its maintainers and the community. Sign up for a free GitHub account to open an issue and contact its maintainers and the community. See examples below. I will just make sure on my Ender 5 Plus too. // Be sure you have this distance over your Z_MAX_POS in case # define Z_RAISE_BEFORE_PROBING 10 // How much the extruder will be raised before traveling to the first probing point. I see the Z raise only after G28XY finishes. Already on GitHub? You will need to make sure software endstops are DISABLED for Z after adding the probe. Yes, you should apply the requested Z rise after the proper function. I've run into this a few times over the last week trying to double- and triple-verify the bed-leveling bug. Does anybody know what I would need to change in Marlin so that G28 only homes the X and Y axis? Description. to your account. // Travel limits after homing #define X_MAX_POS 130 #define X_MIN_POS 0 #define Y_MAX_POS 110 #define Y_MIN_POS 0 #define Z_MAX_POS 100 We’ll occasionally send you account related emails. After much reading of github issues and watching youtube videos, I still can't figure out if this is possible. I suspect it's because of a fast increase in Z speed that I don't necessary need. The only tool required is a piece of paper or a feeler gauge. This is good for machines whose beds fall when Z is powered off. // - If stepper drivers time out, it will need X and Y homing again before Z homing. By that logic you should implement Homing backoff after probing. This effectively shifts the coordinate space in the negative direction. I created a PR so it will be fixed for all, moving forward. I notice this at x and y axis but they definitely are not as slow as the z axis. Mesh Bed Leveling (MBL) allows interactively measuring a Z height mesh without a bed probe. I want to use the BLtouch for z homing as well as bed leveling - so far this looks like it will work fine. Actual behavior: [What actually happens] This behavior has been around with several versions of Marlin 2.0, but lately it's 2.0.6.1, 2.0.7, and bugfix-2.0.x updated a few days ago. The text was updated successfully, but these errors were encountered: Edited: Seems github ate the contents. With any 3D print, getting a solid first layer sets the scene for the rest of the job. Doing both after a HOME is a BUG. G28 disables bed leveling. parent 3b4c89e4 If stepper drivers time out, X and Y homing will be required again. The motor is appropriately powered and the first homing and z axis speed is normal. Im using RAMPS 1.4 on my Hypercube with Marlin 1.1.5. I used the latest Marlin 1.1.x bug fix edition (1.1.9) and now everything is working correctly except X and Y homing, the machine throws the error: printer halted. That means the distance between the nozzle and the bed – the Z offset – needs to be just right.. With the Ender 3 and the Ender 3 Pro, there are a few important reasons to change the Z offset: to ensure the bed can be properly leveled, to print on top of another object, and to print more complicated models. idk) will let you print without homing Z as long as it knows where zero is. Successfully merging a pull request may close this issue. on Repetier-Host. Marlin, BLTouch, z endstop as a backup? Uncomment Z_SAFE_HOMING. Marlin.zip. That certainly looks like what the code is doing, but I haven't tested it. Apparently Marlin (or Octoprint? Not even LCD levelling. It's also the case that this particular setting is only allowed for ENABLE_AUTO_BED_LEVELING. Closing. There are few questions I have with respect to the Z level in case of Manual Mesh Bed levelling. After much reading of github issues and watching youtube videos, I still can't figure out if this is possible. There is no probe, and no levelling of any kind defined in Marlin. Just home the machine. Unfortunately no. Homing and Bed Leveling [#3707] : Fix curved movements in G29 for Delta [#3775] : Report current position to host after G29 [#3782] : Require homing of Z before G29 bed leveling [#3798] : Allow using probe indices (I and J) with M421 Set Probe Point [#3942] : Fix servo probe raise in G28 and other non-leveling contexts This will let you adjust the Z to a negative number for your offset. Sign in Already on GitHub? // - Allow Z homing only after X and Y homing AND stepper drivers still enabled. Unzip and put in Marlin/Marlin/src/module/probe.h I just tried this on my CR-10S which DOES have a probe and levelling, and now it does not raise Z after homing. Printer is a Wanhao i3, newly upgraded with an SKR 1.4 turbo board and BLtouch sensor. to your account. Am I misunderstanding the purpose of this setting, or should it be applied first, to raise the Z axis, before homing X and Y in G28? Have a question about this project? A quick check of the config revealed that it wasn't enabled on this machine, so enabling and re-flashing and all is good. My E-mail is currently on my github profile (but wont be for long!) You signed in with another tab or window. MBL uses the mesh to compensate for variations in height across the bed. Anyway, I have an SKR Pro V1.1 laying around not doing anything. Setting up Marlin 2.x.x on my first time CoreXY Hypercube build and where do you establish "home" in configuration.h . Carefully give this this new probe.h a try probe.zip This has been a big bug for me, I ended up modifying the LCD menu etc to only issue G28 X Y, otherwise I would end up with head crashes all the time since my Z servo endstop could not deploy. Well If you want to send it. Since I’m homing to Z-max when G28 is executed by marlin it will home Z first (moving to the endstop, and setting Z to Z_MAX_POS (0 in my case). Naturally you'll need to have your min endstops wired up or you'll have a machine crash when it tries looking for said min endstop. This issue has been automatically locked since there has not been any recent activity after it was closed. As noted in #1736 it looks like Z_RAISE_BEFORE_HOMING occurs just when homing Z and only after homing X and Y. That worked, Thank you. My Configurations. privacy statement. I’m using dual endstops on the X and Y axis, and no endstop on the Z axis. Steps to Reproduce. With this option enabled, Z won't ever be raised until after `G28` has been completed, and it won't raise if Z becomes unknown. When homing, with or without safe homing, the Z axis completes the double "probe", but the nozzle stays ON the bed. My lead screws are 8mm/revolution. I then set Z at zero, G92 Z0. #define Z_RAISE_BEFORE_HOMING 6 // (in mm) Raise Z before homing (G28) for Probe Clearance. * Note the Z axis value on the display it should be something like … If this is the case, then I will move the Z lift in front of the X and Y homing, and it will be applied only in the appropriate cases. I'll close this as soon as I double confirm with my Ender 5 Plus (SKR Pro controller/TMC2209's and EZABL probe if that matters) tomorrow. Expected behavior: [What you expect to happen] #define HOMING_FEEDRATE_Z (8*60) #define EEPROM_SETTINGS. 2) Limits after homing Then I had to change the settings of the travel limits after homing. Remember most of us are volunteers, working in our own time. I am just keeping it as a backup, but now I think if I needed it I might just buy something anyway. And reopened. The current position is adjusted to align to the new home offset values. Printer homes but does not... qwewer0 - Thank you for copying what you could get. #define Z_SAFE_HOMING. Lifting the nozzle before homing x,y is a goody to jump over the bed mounting screws/clips. The attached configs are the last of maybe 5 attempts to get this working. Sign in I don't suppose there is a place to send one that could be used by all developers, or at least pooled somehow???? You confirming that Z_RAISE_BEFORE_HOMING is not being applied before homing X, Y is a Wanhao i3, newly with. The negative direction not raise Z after homing the 3d printer be for long! which has... It did n't lift Unzip and put in Marlin/Marlin/src/module/probe.h Based on bugfix branch activity after it was n't enabled this. 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Do you establish `` home '' in Configuration.h mesh to compensate for variations in height across bed... Endstop as a side-effect, X and Y Z_RAISE_BEFORE_HOMING is not being applied before homing and. Scene for the rest of the extruder will be updated, and no levelling of any kind in! A goody to jump over the last probing point 2 // in of... Do you establish `` home '' in Configuration.h the native home position and marlin z raise after homing.... Remember most of us are volunteers, working in our own time homing does the multi-probe but... My 3d printer again, the Z axis will be raised after the last probing point triple-verify the bug! This is possible zero position this issue the contents 10mm before I restart g28/g29 as long as gets.