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Revision to Using mesh bed compensation

David Crocker

If you get jerky movements when the head moves across the bed at speed with mesh bed levelling enabled, but not with it disabled, this indicates that your Z jerk setting is too low for the travel speed you are using and the amount of compensation needed. Increase the Z parameter in the M566 command in config.g, or use a lower travel speed.
-If the heightmap.csv file contains a column of zeros at the start or the end, this indicates that the corresponding X coordinate was not reachable by the probe, taking account of the bed size specified in the M665 command on a delta printer or the M208 commands for other printers, and the probe offset specified by the X and Y parameters in the G31 command.; Similarly, if there is a row of zeros then the corresponding Y coordinate was not reachable.
+If the heightmap.csv file contains a column of zeros at the start or the end, this indicates that the corresponding X coordinate was not reachable by the probe, taking account of the bed size specified in the M665 command on a delta printer or the M208 commands for other printers, and the probe offset specified by the X and Y parameters in the G31 command. Similarly, if there is a row of zeros then the corresponding Y coordinate was not reachable.

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