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  • Rotrics DexArm User Manual V1.2
  • ✨Getting Started
    • 🎮Hands-on Guide
    • 🎨Writing/Drawing
      • Generate G-code with third-party software
    • 🎇Laser Engraving
      • ❗Important - Safety Guideline
    • 🛸3D Printing
      • Generate 3D Printing G-code with Cura
    • 🦾Teach & Pneumatic
    • 📷Computer Vision
    • 🔄Rotary Module
    • Sliding Rail Kit
      • Sliding Rail Kit Installation Guide
    • Conveyor Belt Kit
      • Conveyor Belt Kit Installation Guide
  • 💻Product Overview
    • 🗺️Product Overview
    • 💾Software - Rotrics Studio
    • 🍴Accessories
      • Touchscreen
  • 🔧FAQ & Troubleshooting
    • ❓FAQs
      • Received an Error message in Rotrics Studio?
      • How to toggle developer tools on Rotrics Studio
      • How to re-calibrated DexArm or reset encoder values?
      • How to upgrade DexArm's firmware?
      • How to upgrade the touchscreen firmware?
      • How to send third-party G-code files with Rotrics Studio?
      • How to replace filament?
      • How to set Wi-Fi?
      • How to change touchscreen language?
      • How to execute SD card files?
      • Why can't I copy G-code files to the Touchscreen directly?
      • How to write/draw with different colors?
      • Why it misses part of the image when drawing?
      • How to level DexArm manually?
      • Why my 3D printing module is clogged?
    • 🔑Troubleshooting
      • “G-code sending task started...” Error
      • Laser module won't light
      • Rotrics Studio "Internal error occurred"
      • Failed to upgrade Rotrics DexArm's Firmware
      • Fix the clogged 3D printing nozzle
      • Replace the cracked case
      • How to Fix a Black Screen after upgrading the firmware?
      • DexArm couldn't connect to my computer
      • DexArm beyond limits/stuck problem
      • DexArm movement accuracy problem
      • The pen doesn't write with ink
      • 3D printing module won't heat up
      • The Arm doesn't move, only filament comes out
      • Software connect problem after safety enclosure installed
      • Safety enclosure wiring changes
  • ⌨API(G-code)
    • Introduction
    • Marlin Original Commands
      • [Marlin] G000-G001 - Linear Move
      • [Marlin] G002-G003 - Arc or Circle Move
      • [Marlin] G004 - Dwell
      • [Marlin] G020 - Inch Units
      • [Marlin] G021 - Millimeter Units
      • [Marlin] G028 - Home and StallGuard
      • [Marlin] G029 - Bed Leveling Manual
      • [Marlin] G090 - Absolute Positioning
      • [Marlin] G091- Relative Positioning
      • [Marlin] G092 - Set Position
      • [Marlin] M003 - Laser On
      • [Marlin] M005 - Laser Off
      • [Marlin] M082 - E Absolute
      • [Marlin] M083 - E Relative
      • [Marlin] M092 - Set Axis Steps-per-unit
      • [Marlin] M104 - Set Hotend Temperature
      • [Marlin] M105 - Report Temperatures
      • [Marlin] M106 - Set Fan Speed
      • [Marlin] M107 - Fan Off
      • [Marlin] M108 - Break and Continue
      • [Marlin] M109 - Wait for Hotend Temperature
      • [Marlin] M114 - Get Current Position
      • [Marlin] M200 - Set Filament Diameter
      • [Marlin] M201 - Set Print Max Acceleration
      • [Marlin] M203 - Set Max Feedrate
      • [Marlin] M204 - Set Starting Acceleration
      • [Marlin] M205 - Set Advanced Settings
      • [Marlin] M400 - Finish Moves
      • [Marlin] M410 - Quickstop
      • [Marlin] M420 - Bed Leveling State
      • [Marlin] M500 - Save Settings
      • [Marlin] M501 - Restore Settings
      • [Marlin] M502 - Factory Reset
      • [Marlin] M503 - Report Settings
      • [Marlin] M504 - Validate EEPROM contents
      • [Marlin] M906 - TMC Motor Current
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  • Description
  • Notes
  • Usage
  • Parameters
  • Examples

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  1. ⌨API(G-code)
  2. Marlin Original Commands

[Marlin] G029 - Bed Leveling Manual

Previous[Marlin] G028 - Home and StallGuardNext[Marlin] G090 - Absolute Positioning

Last updated 4 years ago

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📅Update: 2020/10/13

Description

Mesh Bed Leveling (MBL) allows interactively measuring a Z height mesh without a bed probe. The only tool required is a piece of paper or a feeler gauge. MBL uses the mesh to compensate for variations in height across the bed.

  1. Use G29 S0 to get the current status and mesh. If there’s an existing mesh, you can send M420 S1 to use it.

  2. Use G29 S1 to move to the first point for Z adjustment.

  3. Adjust Z so a piece of paper can just pass under the nozzle.

  4. Use G29 S2 to save the Z value and move to the next point.

  5. Repeat steps 3-4 until completed.

  6. Use to save the mesh to EEPROM, if desired.

Notes

  • Requires the MESH_BED_LEVELING option in Configuration.h.

  • " disables bed leveling. Follow with M420 S to turn leveling on, or use RESTORE_LEVELING_AFTER_G28 to automatically keep leveling on after ."

Usage

G29 [I<index>] [J<index>] S<0|1|2|3|4|5> [X<count>] [Y<count>] [Z<linear>]

Parameters

  • [I<index>] With S3, the (0…n-1) X index of the mesh value to modify.

  • [J<index>] With S3, the (0…n-1) Y index of the mesh value to modify.

  • [S<0|1|2|3|4|5>]

    • S0: Produce a mesh report (see examples below).

    • S1: Start probing mesh points.

    • S2: Probe the next mesh point.

    • S3: Manually modify a single point with X Y Z parameters. (See also M421.)

    • S4: Set a global Z offset. Positive values are away from the bed; negative values are closer.

    • S5: Reset and disable mesh.

Examples

S0 mesh report:

> G29 S0
Num X,Y: 3,3
Z offset: 0
Measured points:
       0      1       2
0 +0.011 -0.020  -0.026
1 +0.017 +0.002  -0.019
2 +0.022 -0.030  -0.013

Modify some mesh points and view the new mesh:

> G29 S3 I2 J2 Z0.042
> G29 S3 I1 J1 Z-0.666
> G29 S0
3x3 mesh. Z offset: 0
Measured points:
       0      1       2
0 +0.011 -0.020  -0.026
1 +0.017 -0.666  -0.019
2 +0.022 -0.030  +0.042
M500
G28
G28