From d9de2fc4745178e6a81820362deae78a24186935 Mon Sep 17 00:00:00 2001
From: xiaoyeliu <166936931+womendoushihaoyin@users.noreply.github.com>
Date: Wed, 10 Dec 2025 10:38:01 +0800
Subject: [PATCH] Delete: M400 for U1 when changing tools (#56)

---
 src/libslic3r/GCode.cpp | 10 +++++-----
 1 file changed, 5 insertions(+), 5 deletions(-)

diff --git a/src/libslic3r/GCode.cpp b/src/libslic3r/GCode.cpp
index e50b5ba02f..9326ae706b 100644
--- a/src/libslic3r/GCode.cpp
+++ b/src/libslic3r/GCode.cpp
@@ -6373,11 +6373,11 @@ std::string GCode::retract(bool toolchange, bool is_last_retraction, LiftType li
         methods even if we performed wipe, since this will ensure the entire retraction
         length is honored in case wipe path was too short.  */
 
-    // Snapmaker U1
-    std::string printer_model = this->m_curr_print->m_config.printer_model.value;
-    if (printer_model == "Snapmaker U1" && toolchange) {
-        gcode += "M400\n";
-    }
+    // // Snapmaker U1
+    // std::string printer_model = this->m_curr_print->m_config.printer_model.value;
+    // if (printer_model == "Snapmaker U1" && toolchange) {
+    //     gcode += "M400\n";
+    // }
      if ((!this->on_first_layer()  || this->config().bottom_surface_pattern != InfillPattern::ipHilbertCurve) &&
 	    (role != erTopSolidInfill || this->config().top_surface_pattern    != InfillPattern::ipHilbertCurve)){
             gcode += toolchange ? m_writer.retract_for_toolchange() : m_writer.retract();