Auto-home one or more axes, moving them towards their endstops until triggered. Z-Axis Move Planning in Practice And that is the big limiting factor with Z-moves: the distances are very small. X-Y dual endstops: It works fine but on the Y axis when I move the head after homing 1 motor seems to start in advance. My MPCNC is almost finished. I just finished assembly of Anet A8 (Prusa i3 clone). If not, you may need to tweak the offset M119 shows all endstops open. Many 3D printers will use the combination of a threaded rod connected to your Z stepper motor shafts to … Problem is, the Z axis does not move up while printing! This feature is usually disabled by default in Marlin but can be enabled when recompiling the firmware. Everything has been running fine since updating. I was having the motors lock up on moves. Using A move of just 0.1 or 0.2mm doesn’t give much time or space to accelerate and slow down again. Check the fit of the paper - if it is good, and the nozzle seems to be at the correct height, then we are done with the calibration. 0.6 mm (0.6 mm is example, note your actual) Examples: I turn on the printer, and say the extruder head is at distance x from the bed. Save current position and move to filament change position. Specifically, the Z-axis will move down (and trigger the endstop) but it will only make a quick noise if I try to move it up. I've finished building my first Prusa i3 from 3dprinterczar and am working on getting the motors correctly calibrated and have ran into a problem. Once you have edited it, we are going to indicate to our dear Marlin that our 3D printer has a limit switch (sensor) on the Z axis. Been using marlin 1.1 but wanted newest auto leveling and other bells and whistles. The machine will then move a further -0.7mm in Z to See if the z-axis moves. We will proceed to uncomment the USE_ZMIN_PLUG options. My machine has a zero point which is not over the build platform, so to get the nozzle over the platform I have to move the x and y axis. SoliForum - 3D Printing Community → Software & Firmware → Help! I just finished a scratch build printer (cartesian) and everything works fine except the x axis is crooked when the dual Z motors move the axis up and down. This is a very slow process from the LCD screen. Today I installed stepper dampers for X and Y. Replugged the wires and presses autohome. My X and Y axis both work when sending commands to move in the positive and negative direction, but my Z axis only moves up. Ramps 1.4 I did use M119 to test and it is open and when I touch the probe it says triggered. The Bed is a 200 by 200 job. I tried swapping the pins for the clip and the plate. If the gauge is loose then you need to lengthen the travel on this axis- you are working on … I have full manual control of all axis... moving up/down/homing ect, all with manual control. Hi, I am new in CNC but have few years experience in 3D printing. // Specify here all the endstop connectors that are connected to any endstop or probe. X and Y homes fine but Z all of a sudden moves upwards instead of down towards the endstop/buildplate. I have TH3D Marlin firmware installed. prusa-i3 marlin electronics z-axis firmware On Z-stop trigger, right Z moves up, left Z continues to try to move down. The main thing here is to write down wheter an axis is moving the right direction or not. One of two things will happen, the paper or feeler gauge will be tight or loose. Z axis won't move down past the plane the extruder was at when the printer was turned on. When I try to move the Z-axis, using the hardware buttons in the LCD menu (without a computer connected), it only goes down, when I both increase, and decrease, the value of Z. I see. I have to cancel everything. Prepare > Move axis > Move 0.1mm > Move Z Slowly move the Z axis down until you have the correct first layer gap (paper or thin card method) Note the distance on the display e.g. stays at the same level during the entire print. i just have trouble make the Z axis and/or the gcode with slic3r be the correct one, x, y, and e, seems to work fine, but Z keeps struck at the Z home position, on the gcode it only move .325 on the firs Z position, i dont get to Z 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 axis zero position. I went to a parallel configuration. As soon Write any script, and while the gantry is up high, pull I also exchanged bent Z-axis threaded M8 rods that came with the kit for new, more straight, stainless steel rods. I have been able to draw some forms to check if it’s square. i use Marlin (from this site) on a ramps1.4 with dual endstops X and Y. I have 2 questions regarding endstops. In Marlin I had to set the #define DEFAULT_AXIS_STEPS_PER_UNIT for the z axis to 1600 to get the z axis to move 10 mm when commanded to move 10 mm.. What would be the pros and cons of going to half or full steps and Using Pronterface version 2013.10.19, connects to the printer (using the IDE and command line), the X Y and Z motors You might only be able to move an axis using the + for that axes. Has anyone experienced this before? This tends to be from insufficient current. Tried to implement latest Marlin on my reprappro with ramps 1.4. x and y homing works awesome. Attached is my configuration.h all of my changes are bounded by #ifdef ChuckMod. If it looks a long way above, click the Z move 1 button, then go down by 0.1 until you reach z= 0. nothing I do seems to change this. Move your Z axis fairly high, and then 'Home Z' or G28 Z to test Z homing. Baby Stepping is a feature from Marlin Firmware that allows you to move the Z-axis up or down in small increments in order to fine-tune the first layer height. Right now I am using the LCD screen to home the machine then move to my material origin so I can set the offsets. Touch the end of the probe with your finger to trigger the end-stop, the following … I have just finished building a Tronxy P802M Prusa i3. Each axis is backed off and re-bumped according to the [XYZ]_HOME_BUMP_MM and HOMING_BUMP_DIVISOR settings. Min software stops are currently disabled, as I try to set the printer up. You have to go into Prepare-Move Axis-X,Y or Z Axis, .1, 1 or 10mm then you can move one axis at a time. 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