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Calibration

github-actions[bot] edited this page Jul 19, 2024 · 12 revisions

Before you start with calibrations and QGLs, make sure to run PROBE_ACCURACY SAMPLES=100 or more to brake things in.

Z Offset

NOTE: gcode_z_offset on Tool 0 is always 0.

  • Home and QGL
  • Set the tool_probe z_offset using the paper method
  • Add this to the tool_probe config z_offset
  • For tools after Tool 0, use this value to find the gcode_z_offset, which is the difference between this tool_probe and tool_probe for Tool 0 z_offset. ie: if Tool 1 has a z_offset of -1.0 and Tool 0 is -0.8, the gcode_z_offset for Tool 1 is -0.2
  • Restart Klipper
  • Repeat for all tools

Dock Parking

NOTE: Set the params_close_y to your heighest params_park_y + 30, and set params_safe_y to params_close_y + the thickness of your thickest tool + 10 in the toolchanger.cfg and remove them from the tool config files. For params_safe_y you could also just make sure when you have a tool on the shuttle you can move freely behind the dock and not hit anyother tools and note that y position.

  • Home and QGL
  • Remove the tool from the shuttle and place it in the dock
  • Move the gantry as if to pick up the tool, as soon as the light on the optotap pcb changes, note the params_park_x, params_park_y and params_park_z and put them in the tool config file
  • Repeat this for all tools
  • Restart Klipper

X/Y Offset

NOTE: gcode_x_offset and gcode_y_offset on Tool 0 are always 0.

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