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Merge pull request #8495 from GMagician/Tool-change-fix

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[2.0.x] tool change bad behaviours
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Scott Lahteine 2017-11-20 20:36:46 -06:00 committed by GitHub
parent 5cfdb76186 a61127a421
commit 63e135732c
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GPG key ID: 4AEE18F83AFDEB23
1 changed files with 8 additions and 4 deletions
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Marlin/src/module/tool_change.cpp
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@ -494,21 +494,25 @@ void tool_change(const uint8_t tmp_extruder, const float fr_mm_s/*=0.0*/, bool n
// Move to the "old position" (move the extruder into place)
if (!no_move && IsRunning()) {
#if ENABLED(SWITCHING_NOZZLE)
if (z_raise != z_diff)
destination[Z_AXIS] += z_diff; // Include the Z restore with the "move back"
#endif
#if ENABLED(DEBUG_LEVELING_FEATURE)
if (DEBUGGING(LEVELING)) DEBUG_POS("Move back", destination);
#endif
prepare_move_to_destination();
// Move back to the original (or tweaked) position
do_blocking_move_to(destination[X_AXIS], destination[Y_AXIS], destination[Z_AXIS]);
}
#if ENABLED(SWITCHING_NOZZLE)
// Move back down, if needed. (Including when the new tool is higher.)
if (z_raise != z_diff) {
else if (z_raise != z_diff) {
set_destination_from_current(); // Prevent any XY move
destination[Z_AXIS] += z_diff;
feedrate_mm_s = planner.max_feedrate_mm_s[Z_AXIS];
prepare_move_to_destination();
}
#endif
} // (tmp_extruder != active_extruder)
stepper.synchronize();