From e2dd2268e81d8e593f9c9217a5798911167db1f3 Mon Sep 17 00:00:00 2001 From: Giuliano Zaro <3684609+GMagician@users.noreply.github.com> Date: Tue, 23 Apr 2019 20:40:55 +0200 Subject: [PATCH] Add a Z raise-between-probes to G34 (#13791) --- Marlin/src/gcode/calibrate/G34_M422.cpp | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/Marlin/src/gcode/calibrate/G34_M422.cpp b/Marlin/src/gcode/calibrate/G34_M422.cpp index 9a26400a9..36550a7bd 100644 --- a/Marlin/src/gcode/calibrate/G34_M422.cpp +++ b/Marlin/src/gcode/calibrate/G34_M422.cpp @@ -126,6 +126,12 @@ void GcodeSuite::G34() { extruder_duplication_enabled = false; #endif + // Before moving other axes raise Z, if needed. Never lower Z. + if (current_position[Z_AXIS] < Z_CLEARANCE_BETWEEN_PROBES) { + if (DEBUGGING(LEVELING)) DEBUG_ECHOLNPAIR("Raise Z (before moving to probe pos) to ", Z_CLEARANCE_BETWEEN_PROBES); + do_blocking_move_to_z(Z_CLEARANCE_BETWEEN_PROBES); + } + // Remember corrections to determine errors on each iteration float last_z_align_move[Z_STEPPER_COUNT] = ARRAY_N(Z_STEPPER_COUNT, 10000.0f, 10000.0f, 10000.0f), z_measured[Z_STEPPER_COUNT] = { 0 };