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Stage 09: Auto-Calibration

Written By: Makertech 3D
  • Comments: 13
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Difficulty

Easy

Steps

9

Time Required

00:20:00 - 00:30:00

Sections

1

Flags

1

In Progress

In Progress

This guide is currently being written. Reload periodically to see the latest changes.

Quiz

0

  1. Check your probe assembly: Check you're able to press the stainless steel ball to trigger the switch.

    • Check your probe assembly:

    • Check you're able to press the stainless steel ball to trigger the switch.

    • Check that the bolts holding the switch in place are secure.

    • Run the cable for the probe down to the base through the beds cable loom.

    • The 4-pin header side of the cable should go into the base.

    • Plug the 4-pin header into the Octopus Max board.

    • Cut the magnetic base to gain access to the mounting hole for the probe.

    • Fix the probe to the platform with the included M5x20mm bolt.

    • Plug the cable into the probe.

    • Power up the printer.

    • Use Termius to copy the tools_calibrate.py file into the ~/klipper/Klippy/Extras folder.

    • Instructions for using Termius can be found in the previous stage here.

    • Add the calibrate-offsets.cfg file to your config files folder.

    • Also check that your printers other config files are also up to date.

    • Check the probe position by moving the first print head directly over it.

    • Make a note of the X/Y positions.

    • Enter these values into the config file here.

    • Place the flexplate back onto the platform in front of the probe as shown.

    • Home the printer.

    • Make sure that all of the print heads are docked, run the calibration command.

    • Keep an eye on the printer as it runs through the probing procedure for the first time - be ready to hit the emergency stop button in the event of a crash.

    • The printer will probe the first print heads location to establish a control position.

    • It will then probe the other print heads and present the offset values in the console as shown.

    • Each print head is also heated to 150C to soften any filament residue before probing.

    • Enter the offset values into the variables.cfg file for each print head.

    • Probing is typically accurate to +/- 0.05mm

Author

Makertech 3D

Member since: 3/9/18

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