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Diffstat (limited to 'docs/BLTouch.md')
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diff --git a/docs/BLTouch.md b/docs/BLTouch.md index ee81c08f..3a5c6ba6 100644 --- a/docs/BLTouch.md +++ b/docs/BLTouch.md @@ -168,6 +168,37 @@ probe. If configuring this value on a "clone" or older BL-Touch device, be sure to test the probe accuracy before and after setting this value (use the `PROBE_ACCURACY` command to test). +Multi-probing without stowing +============================= + +By default, Klipper will deploy the probe at the start of each probe +attempt and then stow the probe afterwards. This repetitive deploying +and stowing of the probe may increase the total time of calibration +sequences that involve many probe measurements. Klipper supports +leaving the probe deployed between consecutive probes, which can +reduce the total time of probing. This mode is enabled by configuring +`stow_on_each_sample` to False in the config file. + +Important! Setting `stow_on_each_sample` to False can lead to Klipper +making horizontal toolhead movements while the probe is deployed. Be +sure to verify all probing operations have sufficient Z clearance +prior to setting this value to False. If there is insufficient +clearance then a horizontal move may cause the pin to catch on an +obstruction and result in damage to the printer. + +Important! It is recommended to use `probe_with_touch_mode` configured +to True when using `stow_on_each_sample` configured to False. Some +"clone" devices may not detect a subsequent bed contact if +`probe_with_touch_mode` is not set. On all devices, using the +combination of these two settings simplifies the device signaling, +which can improve overall stability. + +Note, however, that some "clone" devices and the BL-Touch v2.0 (and +earlier) may have reduced accuracy when `probe_with_touch_mode` is set +to True. On these devices it is a good idea to test the probe accuracy +before and after setting `probe_with_touch_mode` (use the +`PROBE_ACCURACY` command to test). + Calibrating the BL-Touch offsets ================================ |