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Raise Z before homing X/Y on unknown Z (#15859)

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This commit is contained in:
Jason Smith
2019-11-10 14:21:20 -08:00
committed by Scott Lahteine
parent 624336f453
commit 770adcfa15
1 changed files with 1 additions and 1 deletions
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Marlin/src/gcode/calibrate/G28.cpp
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@@ -308,7 +308,7 @@ void GcodeSuite::G28(const bool always_home_all) {
if (z_homing_height && (doX || doY)) {
// Raise Z before homing any other axes and z is not already high enough (never lower z)
destination.z = z_homing_height;
destination.z = z_homing_height + (TEST(axis_known_position, Z_AXIS) ? 0.0f : current_position.z);
if (destination.z > current_position.z) {
if (DEBUGGING(LEVELING)) DEBUG_ECHOLNPAIR("Raise Z (before homing) to ", destination.z);
do_blocking_move_to_z(destination.z);