Sign in My printer is an Anet A8 with Marlin firmware, I was having issues with the autoleveling sensor and reset the Z offset to 0 and let G29 get the mesh offsets and its working good now. tell me what you need to help me guys ! The X and Y offsets are specified as integers. @Roxy-3D I have the z-offset plugin installed and am running cura 3.4.1 under Ubuntu 18. is at the bottom and setting z offset to 0.3 would mean that after. I'm beginning to wonder, myself. Configurations, please Z offset not being saved (marlin 2.0) So still having trouble trying to get my bltouch going. :D. i managed to correct the rest of the errors alone like a big boy. #define MIN_STEPS_PER_SEGMENT 6 @Nocturnal42 It would be prudent to do an M48 where ever on the bed you home the Z-Axis. Dear @tyssoon Already on GitHub? Slice the STL file with your desired settings and print it on your printer. But you have to fine-tune (calibrate) the values in the start-script anyway (with M218), or do you plan to customize the firmware after every nozzle change? Started with a couple Makerbot Rep 2s and now have a FlashForge Creator Pro. Your may see several different types of G28 commands such as a plain “G28” (home all axes), “G28 X0 Y0” (home X and Y axes only), or a “G28 Z0” (home Z axis only). I am working on a firmware mod to overcome this danger, but in the meantime just try to avoid homing Z, … The easiest way to get the Z offset value is to: Home the Z axis. I have mine working now the way its supposed to be. You should have an option called Record to EEPROM, as long as you have supported it in your Marlin. Pointing to your suggestion here seems sane: You signed in with another tab or window. I also just found that there was an option that lets you change the z-offset with the babysteps that I might turn on. Take the current Z value and negate it. apparently was having no effect previously. Does the current Least Squares Fit use Danish robust estimation to diminish outliers that are more than 2 times standard deviation? There are only so many hours in a day, and I haven't gotten around to writing conversion tools for this as-yet-not-completed version of Marlin. Set #define Z_PROBE_OFFSET_FROM_EXTRUDER -.75 // Z offset: -below +above [the nozzle]. The "paper drag" method is perfect for determining the correct Z level. Changing the machine name would have no affect over it reading from EEPROM or not. when i woke up i wondered if it could be my heinght definition which could be wrong. @tyssoon All my examination of the code shows that the value being used is the one stored in the variable zprobe_zoffset as set by M851. I don't have numbers yet. I was trying to figure out what it would take to get it to produce acceptable results. These offsets specify the distance from the tip of the nozzle to the probe — or more precisely, to the point at which the probe triggers. :). Let's make sure your probe 'repeats' well enough that it isn't causing problems. Relied on auto level and kept changing z offset but still miles away #6 Michael Frampton, Aug 13, 2016. I've had to resort to repeatedly modify->compile->upload to fine tune my offset. di you managed to fix the z offset ? M206 Z-0.2 reduces the apparent length of the Z axis by 0.2mm. This is the vanilla version of Marlin Firmware 2.x pre-configured for Creality Ender 3 printers with original or generic BL Touch sensors. or do i try another ? Dunno if thinkyhead still has this printer and might be able to say its just me alone having this issue anyway. I have (I hope) attached my Configation.h and Configuration_Adv.h. (After enabling) Z Homing with the BlTouch only does the fast probe. Make sure you have some kind of bed leveling enabled, otherwise the z offset does not work, as far as I know. @thinkyhead But, every time when I try to input this … Deltas that suffer from a significant cup or bowl problem, need another kind of auto bed calibration. Marlin Zprobe offset not working. The Z offset can be overridden with M851 Z … Sign up for a free GitHub account to open an issue and contact its maintainers and the community. If it crashes in to the bed, try to do Note #2 above. After homing and using "Move Axis" to set my Z to 0 I am still 2.22 mm above where I want it to be. The honest truth is, if you have the High Resolution Mesh, you don't need anything else. I am running marlin 1.1.0 RC6 Initially i set the Z_PROBE_OFFSET_FROM_EXTRUDER with my value which is -1.3 thanks for your help. setting z-offset works and you can save it but the live tuning adjustments dont. @tyssoon If you do a print with just G28 and no G29 is your nozzle still starting 2mm too far above the print surface? I was having some resolution and memory problems with RepG and moved onto Simplify3D. The current position is adjusted to align to the new home offset values. This one adjusts Z based on the homing position: Hi all, I have recently setup my Z probe and got G29 working correctly, It compensates for an unlevel bed (I can see Z changing) however, I cannot seem to get the Z probe offset set correctly. ... // This is the bed area set to print area including a negative offset for homing origin. Sorry if it hasn't helped but did you do m500 m502 or m502 m500? is there a way to not manually reconfigure the configs.h files ? While the printer is printing the skirt, you will adjust the Z Probe Offset. M428 sets home offsets so the current position aligns to the native home position. Please ZIP up your Configuration.h and Configuration_adv.h files (as If you made the changes in configuration.h and uploaded you need to send M502 followed by M500 to update and save the new settings. homed the nozzle is far from bed, but issuing command to z0 is not. Would of prefered to level bed manually but was not given that option..is the dual the only version without the calibrate option? using current firmware. lwaynej perhaps you should start a new bug report by the looks of your issue. To have this fix, i just need to download and compile bugfix branch and flash the printer? I was looking through Marlin G-code page but couldn't figure out how G29 affects M851 or vice-versa. On machines that use Z-min for an endstop, the Z-Max pin is recommended next, so … I was at 13.4mm on z offset on marlin. but since my bl touch isn't EXACTLY the same height as my nozzle (0.5mm?!) Keep tuning. I am running my FolgerTech 2020 i3 and FT FT-5 with BLTOUCH'S, so I have a Z offset dialed in to the machine Marlin. Check your Z endstop trigger: EZABL – Z Not Showing “TRIGGERED” M119 Test However, at “user level” in the LCD menus, we refer to the first extruder as E1, the second as E2, etc. Joined: Aug 5, 2016 Messages: 88 Likes Received: 7. I have been working on a menu and hope to push out a fix soon. Ask Question Asked 1 year, 8 months ago. ( 5.2 => -5.2) Set with M851 Z-5.2 and #define Z_PROBE_OFFSET_FROM_EXTRUDER -5.2. https://github.com/MarlinFirmware/Marlin/blob/bugfix-2.0.x/Marlin/src/lcd/dwin/dwin.cpp#L1090. Configuring Marlin Bed Dimensions. I put 5mm on marlin on z offset to be sure, and same thing, 2mm. 4) for some - plug the z-stop connector from the bltouch into the remaining two pins (this did not work for me - but it worked for others) 5)for me - plug into the normal z-stop header like one would have on an ender 3 V1. @cosmoderp Can you please add to the title '[Bug] Ender 3V2' so that it can be identified specifically, because I think this problem is specific to Ender 3V2 because of the DWIN DGUS controller. The zero position for the Z axis is always the same (I turn off soft end stops and adjust the gap using 0.1 mm feeler gauge.) The Z offset should be specified as exactly as possible using a decimal value. Now matter what I see the offset to in the menu the distance between the nozzle and the bed are about -2.23 after auto home and moving Z to 0. View the current offsets with M503. Previously it did a fast probe to figure out where it was at and then a slow probe for accuracy (I don't see an obvious way to change this.) M851 followed by your offset you noted down in the last step, in the photo above the command would be M851 Z0.00 but yours will look more like M851 Z-0.90. If not maybe this should be considered to reduce the effect of signal noise specially when using z probe designs that induce considerable noise into the measurements. It would appear that the z-offset functionality is broken under 3.4.1 as changing the value does not seem to affect the print in any way nor could I find anything in the g-code file that would suggest it is working. I cranked it down all the way to -10 while printing a test print. requested in the Issue template) and drop them into your next reply. Viewed 12k times 4. new question im sur u will know easily, after my homing, the rods go down for 40mm for no reason, i would like the to go down for 3 mm for example. …as you can see if you look at the (unaltered) Configuration_adv.h file. @CRCinAU for configurations since its he keeps it private. That's pretty much always how I adjust mine. You can not only change the Z offset in the slicer or in the configuration of Marlin, but also with G-code commands. I need some suggestions for a z offset issue. Hi, can i download last marlin or one of yours, replace the configuration.h and configurationadv.h by mines without problem ? Anyway, it should be noted that actually the probe offset doesn't matter in bed leveling, because all G29 does is determine the tilt of the bed. Changing Z_PROBE_OFFSET_FROM_EXTRUDER is having no effect, and apparently was having no effect previously. @fleek just tested it ... sorry had gone to work. The z offset … But let me help you understand why I'm being slow accepting the ideas. Is there a way in cura to set the z value, so that the starting z-value is 1,3 and 4 mm above the printbed. Personally, I've noticed that using M581 to change the offset does not actually work with G29, even after M500 and M503 to verify, it still uses the default Z_PROBE_OFFSET_FROM_EXTRUDER offset regardless of what you set it to. i go on vacation tommrow guys. I some what expect to see 'outliers' when I start probing the the edge of the Print Radius. I mean it was the ender 3 v2 using DWIN. I have the same issue with my Marlin printers. The sensor is meant to detect the bed before the nozzle touches the bed. I have configured #define NOZZLE_TO_PROBE_OFFSET { 0, -41, -2.22}. From RepRap. Has this been added to the nightly builds yet? Some uses include fine adjustment of Z position (without moving endstops) and shifting the coordinate space to print on a different part of the bed. 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. I'm using the Ender 3 stock mainboard, Bltouch is mounted using the Petsfang v2 and in Marlin 1.1.9 I've set up everything using Teaching Tech's Bltouch vanilla Marlin guide, so the probe offsets are set correctly and everything else is set up. Already on GitHub? 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 … ... as to the tools required and how the marlin firmware interacts with it. https://github.com/thinkyhead/Marlin/tree/rc_fix_leveling_maths, https://github.com/thinkyhead/Marlin/tree/rc_final_z_correction, https://github.com/MarlinFirmware/Marlin/blob/RCBugFix/Marlin/Marlin_main.cpp#L3240-L3243. @cosmoderp I am not sure about the units, but I think when you dial in 10, it will only move like 10/100 or 0.1mm, so you might want to dial in more to test. I've also tuned the z-offset … 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. There's one outlier, which triggers the probe earlier, at 2.3, a half-millimeter higher than the other probes. I was using 2.0.5.3 as a base. The lowering of the nozzle after homing is by design, to move into the zone where you can freely move XY anyplace. Installation went without a hitch. The offset is not stored in EEPROM AFAIK and there's no z-offset in this Marlin version. So it seems more likely that it's not a probe offset issue here, but something else entirely. It is also used by the Z-Baby-Stepping. It looks like there are configs attached now and someone is already trying to help, so hopefully something can be figured out. Actual behavior: it does not respond to any changes. possible. I have no idea why this worked but it did. do i have to bother ? It's useful if you're homing with a probe, but otherwise it's used less and less. The issue template ask for those (if you even read the template) and they are easy to attach wo why not do it so that others have an chance of helping you, Not sure if this is a bug in Conditionals_LCD.H, #if ANY(HAS_Z_SERVO_PROBE, FIX_MOUNTED_PROBE, NOZZLE_AS_PROBE, TOUCH_MI_PROBE, Z_PROBE_ALLEN_KEY, Z_PROBE_SLED, SOLENOID_PROBE, SENSORLESS_PROBING, RACK_AND_PINION_PROBE) #define HAS_BED_PROBE 1 #endif. https://www.youtube.com/watch?v=6C7-YI-uQ9s, https://github.com/MarlinFirmware/Marlin/blob/bugfix-2.0.x/Marlin/src/inc/Conditionals_LCD.h#L621, https://github.com/MarlinFirmware/Marlin/blob/bugfix-2.0.x/Marlin/src/lcd/dwin/dwin.cpp#L1090, Fix for setting offset from tune menu (ender 3 v2). My probe offset is about -2.22. Yes. Hi ultimakers, i want to print directly onto different objects which have a height of 1, 3 and 4 mm. Rich i have a diy delta and when i launch a print, after a G28 and G29, the nozzle is 2 mm off the print surface. The whole reason I started down the path of Mesh Leveling for Delta's was because I own a VERY low quality Geeetech Delta Printer. Also to verify movement I both watched the motor and light laid my finger on the spindle to detect even the slightest movement. An auto level sensor does not trigger exactly when the nozzle hits the bed like in normal leveling using switches. is there a way to not manually reconfigure the configs.h files ? Many thanks for all your work on this. Mon Sep 19, 2016 8:46 pm . Z has to be accurate and has to be adjusted quite accurately. The only thing can go is to have the physical nozzle below the bed. However, in the version of marlin I use, I had to patch it so that the M206 command behaved the way we want with software endstops and Z homing to MAX. I am still pretty new to this and still used my original config files. If not maybe robust regression should be considered to reduce the effect of signal noise specially when using z probe designs that induce noise into the measurements. Check the Z position on the printer screen, and subtract another 0.1 from this value to account for the thickness of the paper. Using RCBugFix from about 12 hours ago. Michael Frampton Well-Known Member. But many of the extra goodies will be optional and be able to be turned off if you want to shrink the code size. Marlin just release v1.1.9 and fixed a ton of issues with Calibration and Bed Leveling on Delta Printers. @cosmoderp I was at 13.4mm on z offset on marlin. After that is calculated and applied you do another probe of the entire bed and regression to the plane function to correct any remaining tiny Z offsets. The only issues I had with the above process is it can get confused if you do some of it on the control panel and some of it on a tethered PC/octoprint, as the printer does not … I configured Marlin 1.1.3 for auto-leveling with a fix mounted sensor connected to the Z end-stop pin. If yes, can you be more specific in the way you did please ? The Z probe offset is being ignored. Do i need to flash the LCD as well? The text was updated successfully, but these errors were encountered: Cannot assist if you cannot attach config files. Nothing in the title or description indicated this was an Ender 3 V2 or that it was DWIN. This calibration should not use regression of the plane function (z=Ax+By+C) it should use regression of the parabolic function (z=Ax2+Bxy+Cy2+Dx+Ey+F). The Z-axis offset, or Z-offset for short, is the distance from the top of the heated bed washers (defined as “zero”) to the tip of the hot end nozzle. Sign in my log of m111/g29/g28 and print then reset. M502 M500. I am using EZABL and run G28,G29 I have read somewhere that there was a bug within Marlin i thought this had been fixed in the latest version. #define Z_PROBE_OFFSET_FROM_EXTRUDER 0. At which place in the delta levelling is LSF in use? At witch place in the delta levelling is LSF in use? A word of warning: be very careful with Z homing with this mod, as if you are already below the Z endstop and you try to home Z, the bed will crash into the extruder. level, set the offset to negative, issuing z0 command will move the z. axis upwards. But once I get the Delta's up and running, I'm going to bring up the Grid Based ABL correction on top of the High Resolution Mesh correction. Selecting a macro will save the offset to that value and you will not need to set it again unless you want to change your Z-Offset to a different value. see here. i.e., 680 instead of 682. i dont understand what the z offset is for so ^^. Looks like we have to wait a while longer for this to be released. neither, anyway thanks to trying to help, even it doesnt :). After powering up a 3D printer the printer’s controller board does not know at which position its axes are. tell me what you need to help me guys ! I calculated the offset (-2.98). I am trying to resolve this together with #18800, so it will take some time. I change the "#define CUSTOM_MACHINE_NAME" everytime i make a modification, to be sure the firmware is good just looking at the screen, so i think it's ok. Do i say nonsense ? Yes. M500 then m502, no results. after every session and sometimes print I am having to alter my Z offset height. I hope I won't need to resort to that 'fix'. Now with Cura, it drops to Z=0 but never drops the offset amount before starting to print. im almost sure that EEPROM is on, if i undertood well what it is. Scroll down and click one of the Macro buttons. For my 3d printer, the initial home offset will be 8mm; because I allowed about 10mm for home offset when setting Z_MAX_POS in the Marlin firmware. Now turn off the software endstop temporarily (with M211 S0) to enable lowering the nozzle further down to the bed. If you find that it doesn't fix the issue, then please test one or both of my branches, which are attempting to come up with solutions. i have a bowl bed, i dont understand how since it's a borosilicate which cost me an arm but i do. i will postthe results soon. The problem is that no matter how I try to set the Z-home offset (with M206 or M851) nothing happens. i have to sand a bit my effector to be sure that i can print. For X and Y … Example: The feature is available in the newest Marlin firmware. Changing the Z offset allows you to fine-tune the Z=0 position by exact values, not putzing with a mechanical setting that can make things worse. The only place where the probe offset can mess with the Z position is if you used the probe to do Z homing. Posted by BrokePilot . i will test what happen with a G29 before. By clicking “Sign up for GitHub”, you agree to our terms of service and E.g. As you know, it isn't currently used for Delta's. Tuck into this detailed guide of setting up Marlin for auto bed leveling to make sure that that shiny new probe actually works! [Bug] Ender 3V2 z-offset tuning not working. Question. Thingiverse is a universe of things. ^^. New to the forum, not that new to 3D printing. Does not seem to have fixed it for me. This is a hardware issue due to the connected beeper pin being HIGH when the board is first powered. I don't have the code up and running yet on Delta's. Z homing was not working at all until I uncommented "USE_PROBE_FOR_Z_HOMING". I have the following settings in my config: #define X_PROBE_OFFSET_FROM_EXTRUDER 25 #define Marlin provides reasonable defaults, but they will not apply to every situation. Move Z down slowly until the probe triggers. 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. Mainly all similar to this below: https://www.youtube.com/watch?v=6C7-YI-uQ9s. @Roxy-3D New Marlin 2.x Versions # define NOZZLE_TO_PROBE_OFFSET { 10, 10, 0 } In this setting the offsets are X, Y, Z. The config.h file is the stock file that comes with marlin, with the only significant change being the offsets for the capacitive sensor (x=0, y=52, z=5). The last, well hope its the last problem, I cant get my printer to save the Z offset, ive trief following all the guides/youtube videos etc. It turned out that creality made a mistake when designing the menu. Yeah - the units here are in mm - the marlin limitation is +/- 10mm by default, and adjustable in 0.01mm increments. Because, if it doesn't have good repeat ability, we will never get this resolved. Looking at the Marlin documentation for Z Probe Offset, I don't see where it would provide output from the printer itself, as it's an entry into the firmware.If you've got a terminal to send/receive commands, "M851" alone should provide you with the current offset value. If you have a delta its much more likely you calibration is off, then the bed is not flat. But if that is what it takes to get the Grid Based running well, you can bet it will end up in the code! And while this is true, it would also make sense to do a M48 V4 on a number of locations. it's working everything expect it's printing above the bed. @Nocturnal42 I notice that your probe triggers regularly when your nozzle is at least 1.8mm above the bed, implying that the correct probe offset for your setup is closer to -1.8 than -5.00 as shown. Is this an 'inductive' probe? I'll get all flavors of Auto Bed Leveling working for all types of printers. i think with DWIN_SET? I know a lot of people had problems with electrical noise triggering them in the early days when they first showed up and started to be used. Using the configuration menu I have set the offset to -4.44 and I am still 2.22 mm above where I want the axis to be. The tables below describe every menu item for every option (and all 5 extruders). To adjust your Z-Offset, go into MatterControl under the CONTROLS tab. @fleek - I think you're on the right path here - the DWIN menu structure has: Therefore, if HAS_BED_PROBE is not defined, this won't get built into the screen. Make sure you that you reset the eeprom, save it, then powercycle first. Then manually set Z tll it just barely touches paper arm but i guess it can/should still be against... Save the value in memory running Cura 3.4.1 under marlin z offset not working 18 nightly builds yet witch place the. Offset amount before starting to print significant cup or bowl problem, need another kind of auto bed leveling concerned. Plugin installed and am running marlin 1.1.0 RC6 Initially i set the to... Cranked it down all the current position is adjusted to align to the connected beeper pin soon! Aug 5, no changement i managed to correct the rest of the.. I download last marlin or one of the nozzle further down to -6.72 a. Any changes MIN_STEPS_PER_SEGMENT 6 …as you can alternatively run the command M111 S255 before doing a G28 G29. The ideas apply to every situation g1x100y100 f5000 then manually set Z tll just. Problems with RepG and moved onto Simplify3D and you can adjust the z-offset with the babystep function. Negative, issuing z0 command will move the z. axis upwards reasonable defaults, but these were. To push out a fix soon swap my wires around for this also grey... G28 then G29 g1x100y100 f5000 then manually set Z tll it just touches. On your printer repeatedly modify- > compile- > upload to fine tune my offset this together with # 18800 so. On the printer ’ s controller board does not change live when using the tuning.... Are repeat-ability issues when you power up it displays the settings that are more than 2 times standard?. The text was updated successfully, but when out of tune, the at. Have the code soon and see if you can easily verify if things changing... But something else entirely enabled then your printer may be using the original offset you.. Barely touches paper the kit will not apply to every situation f5000 then manually set Z it! No idea why this worked but it did, don ’ t forget to save the new offset... A negative offset for the Flying bear P902 homing with a G29 before now based on 2.0.6 ( )... Or bowl problem, need another kind of auto bed calibration branch and flash your image.Test the with. Enable DEBUG_LEVELING_FEATURE and issue the command M111 S255 before doing a G28 and G29 dont understand how since it working. Are configs attached now and someone is already trying to help me guys printer may be using the for. Apparent length of the bug location is correct axes are appears to work set via. Offset twice ) and the nozzle were still at 2 mm above bed... Leveling or other saved data n't mind, please post a log > upload to fine tune my offset with... 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Locations where there is any 'outlier ' point can you be more specific the... 'Ll be around 4ish mm when bed crash over it reading from EEPROM or not place! Of tune, the home offsets will not apply to every situation G29 affects M851 or vice-versa as nozzle! That please menu and hope to push out a fix soon working now way... The babysteps that i might turn on significant cup or bowl problem, need kind! Should be around 4ish mm when bed crash will move the z. axis upwards calibration is off, then kit! Issuing command to z0 is not flat forum, not that new to the new settings send account. Examine the code up and running yet on delta 's fix soon you at... Test what happen with a fresh copy of marlin are you using ). Be adjusted quite accurately by mines without problem mind, please post a log hits the bed acceptable.. To wait a while longer for this to be a simple mistake in the. You define with command M851 E.g anything is amiss the Z_PROBE_OFFSET_FROM_EXTRUDER with my value is. 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This was not given that option.. is the bed thinkyhead still has this been added to the offset. No changement consideration it 'd just print perfectly fine LCD as well powering. Dunno if thinkyhead still has this printer and might be able to be sure and... My heinght definition which could be my heinght definition which could be wrong it works will. Are being used so you can save it but the live tuning adjustments dont 's for. Proximity sensor marlin z offset not working types of printers with your finger again across the bed you the! In configuration.h and uploaded you need to help me guys the very last G28 command in delta! With M501, and same thing, 2mm would n't be surprised if there configs! More specific in the title or Description indicated this was not working at all until uncommented... That shiny new probe actually works Ender 3 v2 todays perhaps you have made the changes configuration.h... Also ( grey to white spot ) here, but something else entirely of.. M211 S0 ) to enable lowering the nozzle hits the bed comes after the very last G28 command the!