From 9b9350e0104835be54ccda89f0bae9e0659281d3 Mon Sep 17 00:00:00 2001 From: Scott Lahteine Date: Fri, 2 Feb 2018 02:32:11 -0600 Subject: [PATCH] Fix jerky Z motion between probes Suggested by #9375 --- Marlin/src/module/probe.cpp | 7 +++---- 1 file changed, 3 insertions(+), 4 deletions(-) diff --git a/Marlin/src/module/probe.cpp b/Marlin/src/module/probe.cpp index 8b42b1c99f..3bfd0cb902 100644 --- a/Marlin/src/module/probe.cpp +++ b/Marlin/src/module/probe.cpp @@ -538,13 +538,12 @@ static float run_z_probe() { #else - // If the nozzle is above the travel height then + // If the nozzle is well over the travel height then // move down quickly before doing the slow probe - float z = Z_CLEARANCE_DEPLOY_PROBE; + float z = Z_CLEARANCE_DEPLOY_PROBE + 5.0; if (zprobe_zoffset < 0) z -= zprobe_zoffset; - if (z < current_position[Z_AXIS]) { - + if (current_position[Z_AXIS] > z) { // If we don't make it to the z position (i.e. the probe triggered), move up to make clearance for the probe if (!do_probe_move(z, Z_PROBE_SPEED_FAST)) do_blocking_move_to_z(current_position[Z_AXIS] + Z_CLEARANCE_BETWEEN_PROBES, MMM_TO_MMS(Z_PROBE_SPEED_FAST));