In the Marlin 3D printer firmware, you can home one axis without homing the other axes using G28[Axis].. In order to home the X axis: G28X. In order to home the Y axis:. G28Y. In order to home the Z axis: G28Z Homing X & Y without homing Z. You can also home multiple axes using G28[Axis 1][Axis 2].So in order to home the X and the Y axis (but not home the Z axis), run
This aborts the function because CAN_HOME_Z evaluates to false, which in turn is because the macro requires Z_MIN_PIN to be set. Expected behavior: Marlin uses the probe to detect when the bed has reached Z home. Actual behavior: Marlin aborts the homing process without lowering Z at all.

When I manually move the extruder on each axis Y and Z work fine, but when I move the extruder on the X axis +10mm, the extruder moves to the left instead of right. When I home each axis, home X moves the extruder all the way right as far as it can go and continues to try to keep going.

I'm using the Marlin firmware (1.1.0-RC7 - 31 July 2016) for a 3d printer. Currently the printing is not perfect due to slight inaccuracies in movements along the x and y axis. I'm trying to change the feedrate for speed along the xy axis whilst the printer is in operation to make sure the printer stops on time and prints accurately.
With the offset now added and saved to EEPROM, -8 position becomes the new zero position, giving the Z axis a total of 88mm of travel, as the case with my 3d printer. The offset will be updated after homing the Z axis, in the next step. Step 5. A new home offset value has been saved to EEPROM, and confirmed.
$\begingroup$ Marlin 2.0.6.1. Endstops are all optical. X-Max endstop packed in a few weeks ago. It has been disconnected from the board and commented out of Marlin. Other endstops used are X-Min, Y-Min and Y-Max. Z-Min used for the BL Touch. Z-Max used to drive BL Touch Servo. I will have to try the stepper drivers and G28 X command.
I have thought about adjusting the Z offset of the probe in marlin by 2mm. But this doesn't seem like the right thing to do. (nozzle is touching standard paper 0.1mm) on z axis. I've the following value defined: #define Z_PROBE_DEPLOY_HEIGHT 15 #define Z_PROBE_TRAVEL_HEIGHT 15 //#define Z_HOMING_HEIGHT 4 //(commented) Even with Z_HOMING When homing, with or without safe homing, the Z axis completes the double "probe", but the nozzle stays ON the bed. My Configurations. Marlin.zip. Steps to Reproduce. Just home the machine. Expected behavior: [What you expect to happen] Expect the printer to home, and then raise Z_AFTER_HOMING distance. Actual behavior: [What actually happens]
Yes, they move in the correct direction manually, just not when homing. I'm using Marlin 2.0. It's possible the axis direction is reversed (inverted) in firmware. I know the common answer to moving the wrong way is to flip the motor connector, but for homing to work all the firmware sttings need to agree on direction.
defining USE_PROBE_FOR_Z_HOMING and BLTouchv. Steps to reproduce [Install SKR Mini E3 V3.0 in Ender 3 Pro with CR-Touch; Install firmware-ender3-bltouch-for-z-homing.bin; Auto-Home; Expected behavior Z-Ho Configuration.zip ming success. Actual behavior CR-Touch triggers but z-axis doesnt stop and rams into the print bed. Additional Information
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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. As a side-effect, X and Y homing are required before Z homing.
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Version of Marlin Firmware. 2.0.9.3. Printer model. Anycubic i3 Mega S. Electronics. Stock board. Add-ons. Fysetc display (FYSETC_MINI_12864_1_2), BLTouch (probe and Z endstop) // Force the use of the probe for Z-axis homing #define USE_PROBE_FOR_Z_HOMING /** * Z_MIN_PROBE_PIN * * Define this pin if the probe is not connected to Z_MIN_PIN Sorted by: 1. For most Cartesian printers, the homing position is at the front-left corner of the build plate. End-stop switches can be at either end of each axis (and even both), but the firmware must be configured accordingly. A common arrangement is to have end-stop switches at X-min, Y-min and Z-min positions. Dual Z after Marlin update does not work. because I designed a new head for my printer. I upgraded to the latest Marlin 2.0-bugfix ( I tried even the 2.0 branch ). I migrate config.h and adv to the latest and my second Z start to behave really odd. Before everything was great, now the second Z jitters a little bit with sound, and every few .