diff --git a/Marlin/Configuration_adv.h b/Marlin/Configuration_adv.h
index 0ee9c854e4d1acd03ea8960c41cb5b21ded429ac..5a97ba43663d5db3f2a152a2e0e0d52f776a7910 100644
--- a/Marlin/Configuration_adv.h
+++ b/Marlin/Configuration_adv.h
@@ -1049,6 +1049,10 @@
 // Some clients will have this feature soon. This could make the NO_TIMEOUTS unnecessary.
 //#define ADVANCED_OK
 
+// Printrun may have trouble receiving long strings all at once.
+// This option inserts short delays between lines of serial output.
+#define SERIAL_OVERRUN_PROTECTION
+
 // @section extras
 
 /**
diff --git a/Marlin/src/config/default/Configuration_adv.h b/Marlin/src/config/default/Configuration_adv.h
index 0ee9c854e4d1acd03ea8960c41cb5b21ded429ac..5a97ba43663d5db3f2a152a2e0e0d52f776a7910 100755
--- a/Marlin/src/config/default/Configuration_adv.h
+++ b/Marlin/src/config/default/Configuration_adv.h
@@ -1049,6 +1049,10 @@
 // Some clients will have this feature soon. This could make the NO_TIMEOUTS unnecessary.
 //#define ADVANCED_OK
 
+// Printrun may have trouble receiving long strings all at once.
+// This option inserts short delays between lines of serial output.
+#define SERIAL_OVERRUN_PROTECTION
+
 // @section extras
 
 /**
diff --git a/Marlin/src/config/examples/AlephObjects/TAZ4/Configuration_adv.h b/Marlin/src/config/examples/AlephObjects/TAZ4/Configuration_adv.h
index 54824f62773f660edc82ea4b698f883667f86343..78ac7c1a063ea288fe1e9f53dd18beaf6f93a419 100644
--- a/Marlin/src/config/examples/AlephObjects/TAZ4/Configuration_adv.h
+++ b/Marlin/src/config/examples/AlephObjects/TAZ4/Configuration_adv.h
@@ -1048,6 +1048,10 @@
 // Some clients will have this feature soon. This could make the NO_TIMEOUTS unnecessary.
 //#define ADVANCED_OK
 
+// Printrun may have trouble receiving long strings all at once.
+// This option inserts short delays between lines of serial output.
+#define SERIAL_OVERRUN_PROTECTION
+
 // @section extras
 
 /**
diff --git a/Marlin/src/config/examples/Anet/A2/Configuration_adv.h b/Marlin/src/config/examples/Anet/A2/Configuration_adv.h
index 0239947907c5f75007b7daf8580037167ab8482c..f32008ed7ad4a5d3c07e9323381a8e66b630ca70 100644
--- a/Marlin/src/config/examples/Anet/A2/Configuration_adv.h
+++ b/Marlin/src/config/examples/Anet/A2/Configuration_adv.h
@@ -1048,6 +1048,10 @@
 // Some clients will have this feature soon. This could make the NO_TIMEOUTS unnecessary.
 //#define ADVANCED_OK
 
+// Printrun may have trouble receiving long strings all at once.
+// This option inserts short delays between lines of serial output.
+#define SERIAL_OVERRUN_PROTECTION
+
 // @section extras
 
 /**
diff --git a/Marlin/src/config/examples/Anet/A2plus/Configuration_adv.h b/Marlin/src/config/examples/Anet/A2plus/Configuration_adv.h
index 0239947907c5f75007b7daf8580037167ab8482c..f32008ed7ad4a5d3c07e9323381a8e66b630ca70 100644
--- a/Marlin/src/config/examples/Anet/A2plus/Configuration_adv.h
+++ b/Marlin/src/config/examples/Anet/A2plus/Configuration_adv.h
@@ -1048,6 +1048,10 @@
 // Some clients will have this feature soon. This could make the NO_TIMEOUTS unnecessary.
 //#define ADVANCED_OK
 
+// Printrun may have trouble receiving long strings all at once.
+// This option inserts short delays between lines of serial output.
+#define SERIAL_OVERRUN_PROTECTION
+
 // @section extras
 
 /**
diff --git a/Marlin/src/config/examples/Anet/A6/Configuration_adv.h b/Marlin/src/config/examples/Anet/A6/Configuration_adv.h
index 6a409bde9038732e4b0864860d131be37d893673..700ee7b989c01aa3bbcce65532d0c3f34c23d837 100644
--- a/Marlin/src/config/examples/Anet/A6/Configuration_adv.h
+++ b/Marlin/src/config/examples/Anet/A6/Configuration_adv.h
@@ -1047,6 +1047,10 @@
 // Some clients will have this feature soon. This could make the NO_TIMEOUTS unnecessary.
 //#define ADVANCED_OK
 
+// Printrun may have trouble receiving long strings all at once.
+// This option inserts short delays between lines of serial output.
+#define SERIAL_OVERRUN_PROTECTION
+
 // @section extras
 
 /**
diff --git a/Marlin/src/config/examples/Anet/A8/Configuration_adv.h b/Marlin/src/config/examples/Anet/A8/Configuration_adv.h
index 4112b095d2a6ae6a4760d6697649b196fd4fc23d..291fc18fbcb0b920744078a774ebd111bd1df7db 100644
--- a/Marlin/src/config/examples/Anet/A8/Configuration_adv.h
+++ b/Marlin/src/config/examples/Anet/A8/Configuration_adv.h
@@ -1048,6 +1048,10 @@
 // Some clients will have this feature soon. This could make the NO_TIMEOUTS unnecessary.
 //#define ADVANCED_OK
 
+// Printrun may have trouble receiving long strings all at once.
+// This option inserts short delays between lines of serial output.
+#define SERIAL_OVERRUN_PROTECTION
+
 // @section extras
 
 /**
diff --git a/Marlin/src/config/examples/ArmEd/Configuration_adv.h b/Marlin/src/config/examples/ArmEd/Configuration_adv.h
index fadfb241024b05c04771392c36e444691121145a..403545448c160bc7e67852a79c52c472e92e478b 100644
--- a/Marlin/src/config/examples/ArmEd/Configuration_adv.h
+++ b/Marlin/src/config/examples/ArmEd/Configuration_adv.h
@@ -1021,6 +1021,10 @@
 // Some clients will have this feature soon. This could make the NO_TIMEOUTS unnecessary.
 //#define ADVANCED_OK
 
+// Printrun may have trouble receiving long strings all at once.
+// This option inserts short delays between lines of serial output.
+#define SERIAL_OVERRUN_PROTECTION
+
 // @section extras
 
 /**
diff --git a/Marlin/src/config/examples/BIBO/TouchX/cyclops/Configuration_adv.h b/Marlin/src/config/examples/BIBO/TouchX/cyclops/Configuration_adv.h
index 972833df1496aa196e138e87ebdd1d3c9a690675..11ccd5783c045bae283cecb6c20ed9bf1e4296a3 100644
--- a/Marlin/src/config/examples/BIBO/TouchX/cyclops/Configuration_adv.h
+++ b/Marlin/src/config/examples/BIBO/TouchX/cyclops/Configuration_adv.h
@@ -1047,6 +1047,10 @@
 // Some clients will have this feature soon. This could make the NO_TIMEOUTS unnecessary.
 //#define ADVANCED_OK
 
+// Printrun may have trouble receiving long strings all at once.
+// This option inserts short delays between lines of serial output.
+#define SERIAL_OVERRUN_PROTECTION
+
 // @section extras
 
 /**
diff --git a/Marlin/src/config/examples/BIBO/TouchX/default/Configuration_adv.h b/Marlin/src/config/examples/BIBO/TouchX/default/Configuration_adv.h
index 2beff941b1cf89531d4721e737e1dbc631966ba8..0375fd4e8c21e26bf32bc61031f6c1c5c494a6e9 100644
--- a/Marlin/src/config/examples/BIBO/TouchX/default/Configuration_adv.h
+++ b/Marlin/src/config/examples/BIBO/TouchX/default/Configuration_adv.h
@@ -1048,6 +1048,10 @@
 // Some clients will have this feature soon. This could make the NO_TIMEOUTS unnecessary.
 //#define ADVANCED_OK
 
+// Printrun may have trouble receiving long strings all at once.
+// This option inserts short delays between lines of serial output.
+#define SERIAL_OVERRUN_PROTECTION
+
 // @section extras
 
 /**
diff --git a/Marlin/src/config/examples/BQ/Hephestos/Configuration_adv.h b/Marlin/src/config/examples/BQ/Hephestos/Configuration_adv.h
index 0d12cf9607e5988edf36e4bdd31fb43b8eda2b57..1d70bc6eaee17fafe1a435c89ee9c48d43de7644 100644
--- a/Marlin/src/config/examples/BQ/Hephestos/Configuration_adv.h
+++ b/Marlin/src/config/examples/BQ/Hephestos/Configuration_adv.h
@@ -1048,6 +1048,10 @@
 // Some clients will have this feature soon. This could make the NO_TIMEOUTS unnecessary.
 //#define ADVANCED_OK
 
+// Printrun may have trouble receiving long strings all at once.
+// This option inserts short delays between lines of serial output.
+#define SERIAL_OVERRUN_PROTECTION
+
 // @section extras
 
 /**
diff --git a/Marlin/src/config/examples/BQ/Hephestos_2/Configuration_adv.h b/Marlin/src/config/examples/BQ/Hephestos_2/Configuration_adv.h
index 80166dab32ebb85782646310be7444461f0d4500..8b122a3f500c9558c227ad5537135586a16736f4 100644
--- a/Marlin/src/config/examples/BQ/Hephestos_2/Configuration_adv.h
+++ b/Marlin/src/config/examples/BQ/Hephestos_2/Configuration_adv.h
@@ -1056,6 +1056,10 @@
 // Some clients will have this feature soon. This could make the NO_TIMEOUTS unnecessary.
 #define ADVANCED_OK
 
+// Printrun may have trouble receiving long strings all at once.
+// This option inserts short delays between lines of serial output.
+#define SERIAL_OVERRUN_PROTECTION
+
 // @section extras
 
 /**
diff --git a/Marlin/src/config/examples/BQ/WITBOX/Configuration_adv.h b/Marlin/src/config/examples/BQ/WITBOX/Configuration_adv.h
index 0d12cf9607e5988edf36e4bdd31fb43b8eda2b57..1d70bc6eaee17fafe1a435c89ee9c48d43de7644 100644
--- a/Marlin/src/config/examples/BQ/WITBOX/Configuration_adv.h
+++ b/Marlin/src/config/examples/BQ/WITBOX/Configuration_adv.h
@@ -1048,6 +1048,10 @@
 // Some clients will have this feature soon. This could make the NO_TIMEOUTS unnecessary.
 //#define ADVANCED_OK
 
+// Printrun may have trouble receiving long strings all at once.
+// This option inserts short delays between lines of serial output.
+#define SERIAL_OVERRUN_PROTECTION
+
 // @section extras
 
 /**
diff --git a/Marlin/src/config/examples/Cartesio/Configuration_adv.h b/Marlin/src/config/examples/Cartesio/Configuration_adv.h
index 44c60d31e0a77a8b2faffdb621b62a802eaba17c..dee756e19bd00c58101817ab4a6baf227efe9b05 100644
--- a/Marlin/src/config/examples/Cartesio/Configuration_adv.h
+++ b/Marlin/src/config/examples/Cartesio/Configuration_adv.h
@@ -1048,6 +1048,10 @@
 // Some clients will have this feature soon. This could make the NO_TIMEOUTS unnecessary.
 //#define ADVANCED_OK
 
+// Printrun may have trouble receiving long strings all at once.
+// This option inserts short delays between lines of serial output.
+#define SERIAL_OVERRUN_PROTECTION
+
 // @section extras
 
 /**
diff --git a/Marlin/src/config/examples/Creality/CR-10/Configuration_adv.h b/Marlin/src/config/examples/Creality/CR-10/Configuration_adv.h
index 2159fab0144da78e9e2e90a22889669c7e7ded7d..30bfab5514b8ccfddbe2a52a82434864a9f8e6af 100755
--- a/Marlin/src/config/examples/Creality/CR-10/Configuration_adv.h
+++ b/Marlin/src/config/examples/Creality/CR-10/Configuration_adv.h
@@ -1048,6 +1048,10 @@
 // Some clients will have this feature soon. This could make the NO_TIMEOUTS unnecessary.
 //#define ADVANCED_OK
 
+// Printrun may have trouble receiving long strings all at once.
+// This option inserts short delays between lines of serial output.
+#define SERIAL_OVERRUN_PROTECTION
+
 // @section extras
 
 /**
diff --git a/Marlin/src/config/examples/Creality/CR-10S/Configuration_adv.h b/Marlin/src/config/examples/Creality/CR-10S/Configuration_adv.h
index 3efbde50f540a154faea762a3dff65ab2e64c80e..9d026abf4255e56a79a0584ee9117b945ade95e5 100644
--- a/Marlin/src/config/examples/Creality/CR-10S/Configuration_adv.h
+++ b/Marlin/src/config/examples/Creality/CR-10S/Configuration_adv.h
@@ -1048,6 +1048,10 @@
 // Some clients will have this feature soon. This could make the NO_TIMEOUTS unnecessary.
 #define ADVANCED_OK
 
+// Printrun may have trouble receiving long strings all at once.
+// This option inserts short delays between lines of serial output.
+#define SERIAL_OVERRUN_PROTECTION
+
 // @section extras
 
 /**
diff --git a/Marlin/src/config/examples/Creality/CR-10mini/Configuration_adv.h b/Marlin/src/config/examples/Creality/CR-10mini/Configuration_adv.h
index e083d95a4181909bbc6af71121cf24891131eb26..ea2c27e6d71cebf32dc28f5a00de8b719943ec32 100644
--- a/Marlin/src/config/examples/Creality/CR-10mini/Configuration_adv.h
+++ b/Marlin/src/config/examples/Creality/CR-10mini/Configuration_adv.h
@@ -1048,6 +1048,10 @@
 // Some clients will have this feature soon. This could make the NO_TIMEOUTS unnecessary.
 //#define ADVANCED_OK
 
+// Printrun may have trouble receiving long strings all at once.
+// This option inserts short delays between lines of serial output.
+#define SERIAL_OVERRUN_PROTECTION
+
 // @section extras
 
 /**
diff --git a/Marlin/src/config/examples/Creality/CR-8/Configuration_adv.h b/Marlin/src/config/examples/Creality/CR-8/Configuration_adv.h
index 5d91d855e093d61b4be4bf7aa00e20783017fc08..ac0309aaf1020a3faa10377a69e79c5ec88029b8 100644
--- a/Marlin/src/config/examples/Creality/CR-8/Configuration_adv.h
+++ b/Marlin/src/config/examples/Creality/CR-8/Configuration_adv.h
@@ -1048,6 +1048,10 @@
 // Some clients will have this feature soon. This could make the NO_TIMEOUTS unnecessary.
 //#define ADVANCED_OK
 
+// Printrun may have trouble receiving long strings all at once.
+// This option inserts short delays between lines of serial output.
+#define SERIAL_OVERRUN_PROTECTION
+
 // @section extras
 
 /**
diff --git a/Marlin/src/config/examples/Creality/Ender-2/Configuration_adv.h b/Marlin/src/config/examples/Creality/Ender-2/Configuration_adv.h
index 89ffa9ae40a892bddd7b98a6408be4e8f576ed7e..347397a86a87f4ede0faedeb09881eb1619bac3c 100644
--- a/Marlin/src/config/examples/Creality/Ender-2/Configuration_adv.h
+++ b/Marlin/src/config/examples/Creality/Ender-2/Configuration_adv.h
@@ -1048,6 +1048,10 @@
 // Some clients will have this feature soon. This could make the NO_TIMEOUTS unnecessary.
 //#define ADVANCED_OK
 
+// Printrun may have trouble receiving long strings all at once.
+// This option inserts short delays between lines of serial output.
+#define SERIAL_OVERRUN_PROTECTION
+
 // @section extras
 
 /**
diff --git a/Marlin/src/config/examples/Creality/Ender-3/Configuration_adv.h b/Marlin/src/config/examples/Creality/Ender-3/Configuration_adv.h
index 6a078af8f32eb77d2bba8dd609497f7fa9a018db..463474cfe615ec214565760740b2bdb076cc1aa3 100644
--- a/Marlin/src/config/examples/Creality/Ender-3/Configuration_adv.h
+++ b/Marlin/src/config/examples/Creality/Ender-3/Configuration_adv.h
@@ -1048,6 +1048,10 @@
 // Some clients will have this feature soon. This could make the NO_TIMEOUTS unnecessary.
 //#define ADVANCED_OK
 
+// Printrun may have trouble receiving long strings all at once.
+// This option inserts short delays between lines of serial output.
+#define SERIAL_OVERRUN_PROTECTION
+
 // @section extras
 
 /**
diff --git a/Marlin/src/config/examples/Creality/Ender-4/Configuration_adv.h b/Marlin/src/config/examples/Creality/Ender-4/Configuration_adv.h
index 6443c0ad3ac93a33db3aa236b80c225739475449..c0154c98e2814e4728d34a561602a2f37f4d1db7 100644
--- a/Marlin/src/config/examples/Creality/Ender-4/Configuration_adv.h
+++ b/Marlin/src/config/examples/Creality/Ender-4/Configuration_adv.h
@@ -1048,6 +1048,10 @@
 // Some clients will have this feature soon. This could make the NO_TIMEOUTS unnecessary.
 //#define ADVANCED_OK
 
+// Printrun may have trouble receiving long strings all at once.
+// This option inserts short delays between lines of serial output.
+#define SERIAL_OVERRUN_PROTECTION
+
 // @section extras
 
 /**
diff --git a/Marlin/src/config/examples/Einstart-S/Configuration_adv.h b/Marlin/src/config/examples/Einstart-S/Configuration_adv.h
index 72163263493eca5bb285dc24f05cacc6191c5bff..23e58f7af24637345ea21620b151321a322c62c7 100644
--- a/Marlin/src/config/examples/Einstart-S/Configuration_adv.h
+++ b/Marlin/src/config/examples/Einstart-S/Configuration_adv.h
@@ -1048,6 +1048,10 @@
 // Some clients will have this feature soon. This could make the NO_TIMEOUTS unnecessary.
 //#define ADVANCED_OK
 
+// Printrun may have trouble receiving long strings all at once.
+// This option inserts short delays between lines of serial output.
+#define SERIAL_OVERRUN_PROTECTION
+
 // @section extras
 
 /**
diff --git a/Marlin/src/config/examples/Felix/Configuration_adv.h b/Marlin/src/config/examples/Felix/Configuration_adv.h
index ea7d191d70089a11171057ed7794e041e3c92f28..e5e64dfc2b80ce7d64611f8aa947ccd70bf0f546 100644
--- a/Marlin/src/config/examples/Felix/Configuration_adv.h
+++ b/Marlin/src/config/examples/Felix/Configuration_adv.h
@@ -1048,6 +1048,10 @@
 // Some clients will have this feature soon. This could make the NO_TIMEOUTS unnecessary.
 //#define ADVANCED_OK
 
+// Printrun may have trouble receiving long strings all at once.
+// This option inserts short delays between lines of serial output.
+#define SERIAL_OVERRUN_PROTECTION
+
 // @section extras
 
 /**
diff --git a/Marlin/src/config/examples/FolgerTech/i3-2020/Configuration_adv.h b/Marlin/src/config/examples/FolgerTech/i3-2020/Configuration_adv.h
index 68229ec7a1b920784be5f1d670aeaef18ab144e3..74703ef42e65c820bfbda6792587dd965daa326c 100644
--- a/Marlin/src/config/examples/FolgerTech/i3-2020/Configuration_adv.h
+++ b/Marlin/src/config/examples/FolgerTech/i3-2020/Configuration_adv.h
@@ -1048,6 +1048,10 @@
 // Some clients will have this feature soon. This could make the NO_TIMEOUTS unnecessary.
 //#define ADVANCED_OK
 
+// Printrun may have trouble receiving long strings all at once.
+// This option inserts short delays between lines of serial output.
+#define SERIAL_OVERRUN_PROTECTION
+
 // @section extras
 
 /**
diff --git a/Marlin/src/config/examples/Formbot/Raptor/Configuration_adv.h b/Marlin/src/config/examples/Formbot/Raptor/Configuration_adv.h
index 9cedd8215c46df31d4c06bd6a732fb21f290a151..b155205037a982b9cd4d827f85f3479f3655ca33 100644
--- a/Marlin/src/config/examples/Formbot/Raptor/Configuration_adv.h
+++ b/Marlin/src/config/examples/Formbot/Raptor/Configuration_adv.h
@@ -1050,6 +1050,10 @@
 // Some clients will have this feature soon. This could make the NO_TIMEOUTS unnecessary.
 #define ADVANCED_OK
 
+// Printrun may have trouble receiving long strings all at once.
+// This option inserts short delays between lines of serial output.
+#define SERIAL_OVERRUN_PROTECTION
+
 // @section extras
 
 /**
diff --git a/Marlin/src/config/examples/Formbot/T_Rex_2+/Configuration_adv.h b/Marlin/src/config/examples/Formbot/T_Rex_2+/Configuration_adv.h
index 34d95af95009396f35464416323bd33a2915721e..8b20f4af227ad9d79277e40f89eeeedcca3dc270 100644
--- a/Marlin/src/config/examples/Formbot/T_Rex_2+/Configuration_adv.h
+++ b/Marlin/src/config/examples/Formbot/T_Rex_2+/Configuration_adv.h
@@ -1053,6 +1053,10 @@
 // Some clients will have this feature soon. This could make the NO_TIMEOUTS unnecessary.
 //#define ADVANCED_OK
 
+// Printrun may have trouble receiving long strings all at once.
+// This option inserts short delays between lines of serial output.
+#define SERIAL_OVERRUN_PROTECTION
+
 // @section extras
 
 /**
diff --git a/Marlin/src/config/examples/Formbot/T_Rex_3/Configuration_adv.h b/Marlin/src/config/examples/Formbot/T_Rex_3/Configuration_adv.h
index a8e0f0f79d1e36297f439149c4e3bbfd60448282..405df3e04591154c252f48de2d47eec2282a3d2b 100644
--- a/Marlin/src/config/examples/Formbot/T_Rex_3/Configuration_adv.h
+++ b/Marlin/src/config/examples/Formbot/T_Rex_3/Configuration_adv.h
@@ -1053,6 +1053,10 @@
 // Some clients will have this feature soon. This could make the NO_TIMEOUTS unnecessary.
 //#define ADVANCED_OK
 
+// Printrun may have trouble receiving long strings all at once.
+// This option inserts short delays between lines of serial output.
+#define SERIAL_OVERRUN_PROTECTION
+
 // @section extras
 
 /**
diff --git a/Marlin/src/config/examples/Geeetech/MeCreator2/Configuration_adv.h b/Marlin/src/config/examples/Geeetech/MeCreator2/Configuration_adv.h
index e126a737395abfcd2f0ea94d288607ad9f8b2551..1b9056efd1f13ac94c78da87604a6ed530e69f62 100644
--- a/Marlin/src/config/examples/Geeetech/MeCreator2/Configuration_adv.h
+++ b/Marlin/src/config/examples/Geeetech/MeCreator2/Configuration_adv.h
@@ -1049,6 +1049,10 @@
 // Some clients will have this feature soon. This could make the NO_TIMEOUTS unnecessary.
 //#define ADVANCED_OK
 
+// Printrun may have trouble receiving long strings all at once.
+// This option inserts short delays between lines of serial output.
+#define SERIAL_OVERRUN_PROTECTION
+
 // @section extras
 
 /**
diff --git a/Marlin/src/config/examples/Geeetech/Prusa i3 Pro C/Configuration_adv.h b/Marlin/src/config/examples/Geeetech/Prusa i3 Pro C/Configuration_adv.h
index 45760e53d2ea9aedc09dedfbbfabb69142447c5b..a829dab2b0577e87fdc61d88a98bcf8352e2d990 100644
--- a/Marlin/src/config/examples/Geeetech/Prusa i3 Pro C/Configuration_adv.h	
+++ b/Marlin/src/config/examples/Geeetech/Prusa i3 Pro C/Configuration_adv.h	
@@ -1048,6 +1048,10 @@
 // Some clients will have this feature soon. This could make the NO_TIMEOUTS unnecessary.
 //#define ADVANCED_OK
 
+// Printrun may have trouble receiving long strings all at once.
+// This option inserts short delays between lines of serial output.
+#define SERIAL_OVERRUN_PROTECTION
+
 // @section extras
 
 /**
diff --git a/Marlin/src/config/examples/Geeetech/Prusa i3 Pro W/Configuration_adv.h b/Marlin/src/config/examples/Geeetech/Prusa i3 Pro W/Configuration_adv.h
index 45760e53d2ea9aedc09dedfbbfabb69142447c5b..a829dab2b0577e87fdc61d88a98bcf8352e2d990 100644
--- a/Marlin/src/config/examples/Geeetech/Prusa i3 Pro W/Configuration_adv.h	
+++ b/Marlin/src/config/examples/Geeetech/Prusa i3 Pro W/Configuration_adv.h	
@@ -1048,6 +1048,10 @@
 // Some clients will have this feature soon. This could make the NO_TIMEOUTS unnecessary.
 //#define ADVANCED_OK
 
+// Printrun may have trouble receiving long strings all at once.
+// This option inserts short delays between lines of serial output.
+#define SERIAL_OVERRUN_PROTECTION
+
 // @section extras
 
 /**
diff --git a/Marlin/src/config/examples/Infitary/i3-M508/Configuration_adv.h b/Marlin/src/config/examples/Infitary/i3-M508/Configuration_adv.h
index 5a1af54724194207840cc221fe08ea4e2a86542d..b6c27d46003ed18c35d3e469ea431a114ea6ff10 100644
--- a/Marlin/src/config/examples/Infitary/i3-M508/Configuration_adv.h
+++ b/Marlin/src/config/examples/Infitary/i3-M508/Configuration_adv.h
@@ -1048,6 +1048,10 @@
 // Some clients will have this feature soon. This could make the NO_TIMEOUTS unnecessary.
 //#define ADVANCED_OK
 
+// Printrun may have trouble receiving long strings all at once.
+// This option inserts short delays between lines of serial output.
+#define SERIAL_OVERRUN_PROTECTION
+
 // @section extras
 
 /**
diff --git a/Marlin/src/config/examples/JGAurora/A5/Configuration_adv.h b/Marlin/src/config/examples/JGAurora/A5/Configuration_adv.h
index 9b1e77b3f7fdb463a8b8e00fac5a4700c4417bc0..117a8ad5c3164fc0d69bc521bd6741f0c72d5dbc 100644
--- a/Marlin/src/config/examples/JGAurora/A5/Configuration_adv.h
+++ b/Marlin/src/config/examples/JGAurora/A5/Configuration_adv.h
@@ -1048,6 +1048,10 @@
 // Some clients will have this feature soon. This could make the NO_TIMEOUTS unnecessary.
 //#define ADVANCED_OK
 
+// Printrun may have trouble receiving long strings all at once.
+// This option inserts short delays between lines of serial output.
+#define SERIAL_OVERRUN_PROTECTION
+
 // @section extras
 
 /**
diff --git a/Marlin/src/config/examples/MakerParts/Configuration_adv.h b/Marlin/src/config/examples/MakerParts/Configuration_adv.h
index a61dad1245b46d70029b9a8397b7397d30fa40d4..bab00ac195e795039fbdeba641a3309b31e7c137 100644
--- a/Marlin/src/config/examples/MakerParts/Configuration_adv.h
+++ b/Marlin/src/config/examples/MakerParts/Configuration_adv.h
@@ -1048,6 +1048,10 @@
 // Some clients will have this feature soon. This could make the NO_TIMEOUTS unnecessary.
 //#define ADVANCED_OK
 
+// Printrun may have trouble receiving long strings all at once.
+// This option inserts short delays between lines of serial output.
+#define SERIAL_OVERRUN_PROTECTION
+
 // @section extras
 
 /**
diff --git a/Marlin/src/config/examples/Malyan/M150/Configuration_adv.h b/Marlin/src/config/examples/Malyan/M150/Configuration_adv.h
index e004116714f9cfb934692c292e60aac476c26e26..44994bb8d0a89b81b33ebb96e8968a1e231bec97 100644
--- a/Marlin/src/config/examples/Malyan/M150/Configuration_adv.h
+++ b/Marlin/src/config/examples/Malyan/M150/Configuration_adv.h
@@ -1048,6 +1048,10 @@
 // Some clients will have this feature soon. This could make the NO_TIMEOUTS unnecessary.
 //#define ADVANCED_OK
 
+// Printrun may have trouble receiving long strings all at once.
+// This option inserts short delays between lines of serial output.
+#define SERIAL_OVERRUN_PROTECTION
+
 // @section extras
 
 /**
diff --git a/Marlin/src/config/examples/Malyan/M200/Configuration_adv.h b/Marlin/src/config/examples/Malyan/M200/Configuration_adv.h
index 43ef9baa22d0ece12c04e00fa5f91b2ab6c0ee79..4fbee1b0e09f74d7144253c2637420a55338074f 100644
--- a/Marlin/src/config/examples/Malyan/M200/Configuration_adv.h
+++ b/Marlin/src/config/examples/Malyan/M200/Configuration_adv.h
@@ -1048,6 +1048,10 @@
 // Some clients will have this feature soon. This could make the NO_TIMEOUTS unnecessary.
 //#define ADVANCED_OK
 
+// Printrun may have trouble receiving long strings all at once.
+// This option inserts short delays between lines of serial output.
+#define SERIAL_OVERRUN_PROTECTION
+
 // @section extras
 
 /**
diff --git a/Marlin/src/config/examples/Micromake/C1/enhanced/Configuration_adv.h b/Marlin/src/config/examples/Micromake/C1/enhanced/Configuration_adv.h
index c52576d86db80ac154e1d6535a5675c9657e0bf4..f2c043fb43f57352eb6922791853c91d1b16b87e 100644
--- a/Marlin/src/config/examples/Micromake/C1/enhanced/Configuration_adv.h
+++ b/Marlin/src/config/examples/Micromake/C1/enhanced/Configuration_adv.h
@@ -1048,6 +1048,10 @@
 // Some clients will have this feature soon. This could make the NO_TIMEOUTS unnecessary.
 //#define ADVANCED_OK
 
+// Printrun may have trouble receiving long strings all at once.
+// This option inserts short delays between lines of serial output.
+#define SERIAL_OVERRUN_PROTECTION
+
 // @section extras
 
 /**
diff --git a/Marlin/src/config/examples/Mks/Sbase/Configuration_adv.h b/Marlin/src/config/examples/Mks/Sbase/Configuration_adv.h
index 52ce76c2e94e0585417b6be735bbf9cd98def0b8..5da77c21f304a97acf3d4108a25cf812c8e11831 100644
--- a/Marlin/src/config/examples/Mks/Sbase/Configuration_adv.h
+++ b/Marlin/src/config/examples/Mks/Sbase/Configuration_adv.h
@@ -1056,6 +1056,10 @@
 // Some clients will have this feature soon. This could make the NO_TIMEOUTS unnecessary.
 //#define ADVANCED_OK
 
+// Printrun may have trouble receiving long strings all at once.
+// This option inserts short delays between lines of serial output.
+#define SERIAL_OVERRUN_PROTECTION
+
 // @section extras
 
 /**
diff --git a/Marlin/src/config/examples/RigidBot/Configuration_adv.h b/Marlin/src/config/examples/RigidBot/Configuration_adv.h
index bbffe91bff7a87e064e1ffbc4ab028de6d9283cb..2a4ca5bf8a10b9576a5aa7b29428ba728f06b8c6 100644
--- a/Marlin/src/config/examples/RigidBot/Configuration_adv.h
+++ b/Marlin/src/config/examples/RigidBot/Configuration_adv.h
@@ -1048,6 +1048,10 @@
 // Some clients will have this feature soon. This could make the NO_TIMEOUTS unnecessary.
 //#define ADVANCED_OK
 
+// Printrun may have trouble receiving long strings all at once.
+// This option inserts short delays between lines of serial output.
+#define SERIAL_OVERRUN_PROTECTION
+
 // @section extras
 
 /**
diff --git a/Marlin/src/config/examples/SCARA/Configuration_adv.h b/Marlin/src/config/examples/SCARA/Configuration_adv.h
index 69e626a4c28ced268bb235514e9af3ba742906d4..dbf24ccd0113ae705de5fb0ddd3951c79d793af6 100644
--- a/Marlin/src/config/examples/SCARA/Configuration_adv.h
+++ b/Marlin/src/config/examples/SCARA/Configuration_adv.h
@@ -1048,6 +1048,10 @@
 // Some clients will have this feature soon. This could make the NO_TIMEOUTS unnecessary.
 //#define ADVANCED_OK
 
+// Printrun may have trouble receiving long strings all at once.
+// This option inserts short delays between lines of serial output.
+#define SERIAL_OVERRUN_PROTECTION
+
 // @section extras
 
 /**
diff --git a/Marlin/src/config/examples/Sanguinololu/Configuration_adv.h b/Marlin/src/config/examples/Sanguinololu/Configuration_adv.h
index dbb6e35a2a5e34f8f5489cc8b8cd832ac60095d7..fb9f8fd277581f76972d4dcb6f3a01e27fe5f4d8 100644
--- a/Marlin/src/config/examples/Sanguinololu/Configuration_adv.h
+++ b/Marlin/src/config/examples/Sanguinololu/Configuration_adv.h
@@ -1048,6 +1048,10 @@
 // Some clients will have this feature soon. This could make the NO_TIMEOUTS unnecessary.
 //#define ADVANCED_OK
 
+// Printrun may have trouble receiving long strings all at once.
+// This option inserts short delays between lines of serial output.
+#define SERIAL_OVERRUN_PROTECTION
+
 // @section extras
 
 /**
diff --git a/Marlin/src/config/examples/TheBorg/Configuration_adv.h b/Marlin/src/config/examples/TheBorg/Configuration_adv.h
index 3edd7a09168cd6ed4e173a3ad18b5bd0d48a1911..8f5cf05c0c12e1aab960ba4487299574cde482cd 100644
--- a/Marlin/src/config/examples/TheBorg/Configuration_adv.h
+++ b/Marlin/src/config/examples/TheBorg/Configuration_adv.h
@@ -1048,6 +1048,10 @@
 // Some clients will have this feature soon. This could make the NO_TIMEOUTS unnecessary.
 //#define ADVANCED_OK
 
+// Printrun may have trouble receiving long strings all at once.
+// This option inserts short delays between lines of serial output.
+#define SERIAL_OVERRUN_PROTECTION
+
 // @section extras
 
 /**
diff --git a/Marlin/src/config/examples/TinyBoy2/Configuration_adv.h b/Marlin/src/config/examples/TinyBoy2/Configuration_adv.h
index 0ba72fcf8165be5de228bd571002b8cdb5e54c3d..ab0b39ef6149d6db7378729ef86dba68d41f0269 100644
--- a/Marlin/src/config/examples/TinyBoy2/Configuration_adv.h
+++ b/Marlin/src/config/examples/TinyBoy2/Configuration_adv.h
@@ -1048,6 +1048,10 @@
 // Some clients will have this feature soon. This could make the NO_TIMEOUTS unnecessary.
 //#define ADVANCED_OK
 
+// Printrun may have trouble receiving long strings all at once.
+// This option inserts short delays between lines of serial output.
+#define SERIAL_OVERRUN_PROTECTION
+
 // @section extras
 
 /**
diff --git a/Marlin/src/config/examples/Tronxy/X3A/Configuration_adv.h b/Marlin/src/config/examples/Tronxy/X3A/Configuration_adv.h
index 275daa415ace8a10f269166f9f8878d304f8a84b..d60b06148ff826b6bffa2f54c721114b32082bd7 100644
--- a/Marlin/src/config/examples/Tronxy/X3A/Configuration_adv.h
+++ b/Marlin/src/config/examples/Tronxy/X3A/Configuration_adv.h
@@ -1048,6 +1048,10 @@
 // Some clients will have this feature soon. This could make the NO_TIMEOUTS unnecessary.
 //#define ADVANCED_OK
 
+// Printrun may have trouble receiving long strings all at once.
+// This option inserts short delays between lines of serial output.
+#define SERIAL_OVERRUN_PROTECTION
+
 // @section extras
 
 /**
diff --git a/Marlin/src/config/examples/UltiMachine/Archim1/Configuration_adv.h b/Marlin/src/config/examples/UltiMachine/Archim1/Configuration_adv.h
index 3c4134cc600e809bb9a5db6574cd97b00456b3fe..c2fe57b56843f7bf4e40668aa7f92470b3214975 100644
--- a/Marlin/src/config/examples/UltiMachine/Archim1/Configuration_adv.h
+++ b/Marlin/src/config/examples/UltiMachine/Archim1/Configuration_adv.h
@@ -1049,6 +1049,10 @@
 // Some clients will have this feature soon. This could make the NO_TIMEOUTS unnecessary.
 //#define ADVANCED_OK
 
+// Printrun may have trouble receiving long strings all at once.
+// This option inserts short delays between lines of serial output.
+#define SERIAL_OVERRUN_PROTECTION
+
 // @section extras
 
 /**
diff --git a/Marlin/src/config/examples/UltiMachine/Archim2/Configuration_adv.h b/Marlin/src/config/examples/UltiMachine/Archim2/Configuration_adv.h
index 17cbf3a57db6f8361be9f6d297af6b6d3fcfc0c8..b41a354d87d295ff188bdee56f4e6e58a576c8b1 100644
--- a/Marlin/src/config/examples/UltiMachine/Archim2/Configuration_adv.h
+++ b/Marlin/src/config/examples/UltiMachine/Archim2/Configuration_adv.h
@@ -1048,6 +1048,10 @@
 // Some clients will have this feature soon. This could make the NO_TIMEOUTS unnecessary.
 //#define ADVANCED_OK
 
+// Printrun may have trouble receiving long strings all at once.
+// This option inserts short delays between lines of serial output.
+#define SERIAL_OVERRUN_PROTECTION
+
 // @section extras
 
 /**
diff --git a/Marlin/src/config/examples/Velleman/K8200/Configuration_adv.h b/Marlin/src/config/examples/Velleman/K8200/Configuration_adv.h
index 0616319a35646923d435317787fa72dfa37684c9..9ef5a7eaa8d4b9ac7c4b350bdc673f1ecac38c74 100644
--- a/Marlin/src/config/examples/Velleman/K8200/Configuration_adv.h
+++ b/Marlin/src/config/examples/Velleman/K8200/Configuration_adv.h
@@ -1061,6 +1061,10 @@
 // Some clients will have this feature soon. This could make the NO_TIMEOUTS unnecessary.
 //#define ADVANCED_OK
 
+// Printrun may have trouble receiving long strings all at once.
+// This option inserts short delays between lines of serial output.
+#define SERIAL_OVERRUN_PROTECTION
+
 // @section extras
 
 /**
diff --git a/Marlin/src/config/examples/Velleman/K8400/Configuration_adv.h b/Marlin/src/config/examples/Velleman/K8400/Configuration_adv.h
index 282fc40614ff8ffc103c0c8aa355588c743997ca..b9dda373fc0d1cb3eea78de2f5cdbbfba5c7af9d 100644
--- a/Marlin/src/config/examples/Velleman/K8400/Configuration_adv.h
+++ b/Marlin/src/config/examples/Velleman/K8400/Configuration_adv.h
@@ -1048,6 +1048,10 @@
 // Some clients will have this feature soon. This could make the NO_TIMEOUTS unnecessary.
 //#define ADVANCED_OK
 
+// Printrun may have trouble receiving long strings all at once.
+// This option inserts short delays between lines of serial output.
+#define SERIAL_OVERRUN_PROTECTION
+
 // @section extras
 
 /**
diff --git a/Marlin/src/config/examples/Wanhao/Duplicator 6/Configuration_adv.h b/Marlin/src/config/examples/Wanhao/Duplicator 6/Configuration_adv.h
index 058803b218feb052d796dac3e5405a2762240581..c73089f570265980957298de202d782c60fab94b 100644
--- a/Marlin/src/config/examples/Wanhao/Duplicator 6/Configuration_adv.h	
+++ b/Marlin/src/config/examples/Wanhao/Duplicator 6/Configuration_adv.h	
@@ -1050,6 +1050,10 @@
 // Some clients will have this feature soon. This could make the NO_TIMEOUTS unnecessary.
 //#define ADVANCED_OK
 
+// Printrun may have trouble receiving long strings all at once.
+// This option inserts short delays between lines of serial output.
+#define SERIAL_OVERRUN_PROTECTION
+
 // @section extras
 
 /**
diff --git a/Marlin/src/config/examples/delta/Anycubic/Kossel/Configuration_adv.h b/Marlin/src/config/examples/delta/Anycubic/Kossel/Configuration_adv.h
index de38bdbc940fa33626930f7dcb9f5f2677144a15..a3a94bcc967ea6ea23f7a48290afdfbe6bbb73da 100644
--- a/Marlin/src/config/examples/delta/Anycubic/Kossel/Configuration_adv.h
+++ b/Marlin/src/config/examples/delta/Anycubic/Kossel/Configuration_adv.h
@@ -1050,6 +1050,10 @@
 // Some clients will have this feature soon. This could make the NO_TIMEOUTS unnecessary.
 //#define ADVANCED_OK
 
+// Printrun may have trouble receiving long strings all at once.
+// This option inserts short delays between lines of serial output.
+#define SERIAL_OVERRUN_PROTECTION
+
 // @section extras
 
 /**
diff --git a/Marlin/src/config/examples/delta/FLSUN/auto_calibrate/Configuration_adv.h b/Marlin/src/config/examples/delta/FLSUN/auto_calibrate/Configuration_adv.h
index 92dbc4998a2012898095723809bf03a0f139d1cf..e83701a0e20e681669f13776eb736f93f5af0eb7 100644
--- a/Marlin/src/config/examples/delta/FLSUN/auto_calibrate/Configuration_adv.h
+++ b/Marlin/src/config/examples/delta/FLSUN/auto_calibrate/Configuration_adv.h
@@ -1050,6 +1050,10 @@
 // Some clients will have this feature soon. This could make the NO_TIMEOUTS unnecessary.
 //#define ADVANCED_OK
 
+// Printrun may have trouble receiving long strings all at once.
+// This option inserts short delays between lines of serial output.
+#define SERIAL_OVERRUN_PROTECTION
+
 // @section extras
 
 /**
diff --git a/Marlin/src/config/examples/delta/FLSUN/kossel/Configuration_adv.h b/Marlin/src/config/examples/delta/FLSUN/kossel/Configuration_adv.h
index 92dbc4998a2012898095723809bf03a0f139d1cf..e83701a0e20e681669f13776eb736f93f5af0eb7 100644
--- a/Marlin/src/config/examples/delta/FLSUN/kossel/Configuration_adv.h
+++ b/Marlin/src/config/examples/delta/FLSUN/kossel/Configuration_adv.h
@@ -1050,6 +1050,10 @@
 // Some clients will have this feature soon. This could make the NO_TIMEOUTS unnecessary.
 //#define ADVANCED_OK
 
+// Printrun may have trouble receiving long strings all at once.
+// This option inserts short delays between lines of serial output.
+#define SERIAL_OVERRUN_PROTECTION
+
 // @section extras
 
 /**
diff --git a/Marlin/src/config/examples/delta/FLSUN/kossel_mini/Configuration_adv.h b/Marlin/src/config/examples/delta/FLSUN/kossel_mini/Configuration_adv.h
index e28e67dda35eda668880d1e6a618ce47b369557b..44592f561f4de89dd5702b87471b3ea6fca049a8 100644
--- a/Marlin/src/config/examples/delta/FLSUN/kossel_mini/Configuration_adv.h
+++ b/Marlin/src/config/examples/delta/FLSUN/kossel_mini/Configuration_adv.h
@@ -1050,6 +1050,10 @@
 // Some clients will have this feature soon. This could make the NO_TIMEOUTS unnecessary.
 //#define ADVANCED_OK
 
+// Printrun may have trouble receiving long strings all at once.
+// This option inserts short delays between lines of serial output.
+#define SERIAL_OVERRUN_PROTECTION
+
 // @section extras
 
 /**
diff --git a/Marlin/src/config/examples/delta/Geeetech/Rostock 301/Configuration_adv.h b/Marlin/src/config/examples/delta/Geeetech/Rostock 301/Configuration_adv.h
index 773582e800f77547f60d553128acabbf5ebfb50e..67805e3004312896d4e124e677367d2de33210b2 100644
--- a/Marlin/src/config/examples/delta/Geeetech/Rostock 301/Configuration_adv.h	
+++ b/Marlin/src/config/examples/delta/Geeetech/Rostock 301/Configuration_adv.h	
@@ -1050,6 +1050,10 @@
 // Some clients will have this feature soon. This could make the NO_TIMEOUTS unnecessary.
 //#define ADVANCED_OK
 
+// Printrun may have trouble receiving long strings all at once.
+// This option inserts short delays between lines of serial output.
+#define SERIAL_OVERRUN_PROTECTION
+
 // @section extras
 
 /**
diff --git a/Marlin/src/config/examples/delta/Tevo Little Monster/Configuration_adv.h b/Marlin/src/config/examples/delta/Tevo Little Monster/Configuration_adv.h
index 4bbf8210e7667d588025d2f942a05012d3f8374d..c3cc903b19ac1378828846c6fb925172e35ad178 100644
--- a/Marlin/src/config/examples/delta/Tevo Little Monster/Configuration_adv.h	
+++ b/Marlin/src/config/examples/delta/Tevo Little Monster/Configuration_adv.h	
@@ -1050,6 +1050,10 @@
 // Some clients will have this feature soon. This could make the NO_TIMEOUTS unnecessary.
 //#define ADVANCED_OK
 
+// Printrun may have trouble receiving long strings all at once.
+// This option inserts short delays between lines of serial output.
+#define SERIAL_OVERRUN_PROTECTION
+
 // @section extras
 
 /**
diff --git a/Marlin/src/config/examples/delta/generic/Configuration_adv.h b/Marlin/src/config/examples/delta/generic/Configuration_adv.h
index e28e67dda35eda668880d1e6a618ce47b369557b..44592f561f4de89dd5702b87471b3ea6fca049a8 100644
--- a/Marlin/src/config/examples/delta/generic/Configuration_adv.h
+++ b/Marlin/src/config/examples/delta/generic/Configuration_adv.h
@@ -1050,6 +1050,10 @@
 // Some clients will have this feature soon. This could make the NO_TIMEOUTS unnecessary.
 //#define ADVANCED_OK
 
+// Printrun may have trouble receiving long strings all at once.
+// This option inserts short delays between lines of serial output.
+#define SERIAL_OVERRUN_PROTECTION
+
 // @section extras
 
 /**
diff --git a/Marlin/src/config/examples/delta/kossel_mini/Configuration_adv.h b/Marlin/src/config/examples/delta/kossel_mini/Configuration_adv.h
index e28e67dda35eda668880d1e6a618ce47b369557b..44592f561f4de89dd5702b87471b3ea6fca049a8 100644
--- a/Marlin/src/config/examples/delta/kossel_mini/Configuration_adv.h
+++ b/Marlin/src/config/examples/delta/kossel_mini/Configuration_adv.h
@@ -1050,6 +1050,10 @@
 // Some clients will have this feature soon. This could make the NO_TIMEOUTS unnecessary.
 //#define ADVANCED_OK
 
+// Printrun may have trouble receiving long strings all at once.
+// This option inserts short delays between lines of serial output.
+#define SERIAL_OVERRUN_PROTECTION
+
 // @section extras
 
 /**
diff --git a/Marlin/src/config/examples/delta/kossel_xl/Configuration_adv.h b/Marlin/src/config/examples/delta/kossel_xl/Configuration_adv.h
index 4eefea7ccd40529d8eea4eb18fab5a563a1e683e..5551a6b2a505bf4f00a798b39a9453da3934f9d3 100644
--- a/Marlin/src/config/examples/delta/kossel_xl/Configuration_adv.h
+++ b/Marlin/src/config/examples/delta/kossel_xl/Configuration_adv.h
@@ -1050,6 +1050,10 @@
 // Some clients will have this feature soon. This could make the NO_TIMEOUTS unnecessary.
 //#define ADVANCED_OK
 
+// Printrun may have trouble receiving long strings all at once.
+// This option inserts short delays between lines of serial output.
+#define SERIAL_OVERRUN_PROTECTION
+
 // @section extras
 
 /**
diff --git a/Marlin/src/config/examples/gCreate/gMax1.5+/Configuration_adv.h b/Marlin/src/config/examples/gCreate/gMax1.5+/Configuration_adv.h
index e4a526f73fad27db7b0fbd465488cc4da3c553ac..daaac68cebade5ca75fa127e8a24c159a8fedc57 100644
--- a/Marlin/src/config/examples/gCreate/gMax1.5+/Configuration_adv.h
+++ b/Marlin/src/config/examples/gCreate/gMax1.5+/Configuration_adv.h
@@ -1048,6 +1048,10 @@
 // Some clients will have this feature soon. This could make the NO_TIMEOUTS unnecessary.
 //#define ADVANCED_OK
 
+// Printrun may have trouble receiving long strings all at once.
+// This option inserts short delays between lines of serial output.
+#define SERIAL_OVERRUN_PROTECTION
+
 // @section extras
 
 /**
diff --git a/Marlin/src/config/examples/makibox/Configuration_adv.h b/Marlin/src/config/examples/makibox/Configuration_adv.h
index 53a9ca9c6986df22be45aea2e9aacf4c9d00c8e9..07d1877f43d61175a40002db09041bdb6ac84525 100644
--- a/Marlin/src/config/examples/makibox/Configuration_adv.h
+++ b/Marlin/src/config/examples/makibox/Configuration_adv.h
@@ -1048,6 +1048,10 @@
 // Some clients will have this feature soon. This could make the NO_TIMEOUTS unnecessary.
 //#define ADVANCED_OK
 
+// Printrun may have trouble receiving long strings all at once.
+// This option inserts short delays between lines of serial output.
+#define SERIAL_OVERRUN_PROTECTION
+
 // @section extras
 
 /**
diff --git a/Marlin/src/config/examples/tvrrug/Round2/Configuration_adv.h b/Marlin/src/config/examples/tvrrug/Round2/Configuration_adv.h
index 887bce5b9ff2b3ebef210da2109936a268c61aaa..58d1c38f18651492420d1c3f7d8d76a8fc7cc12d 100644
--- a/Marlin/src/config/examples/tvrrug/Round2/Configuration_adv.h
+++ b/Marlin/src/config/examples/tvrrug/Round2/Configuration_adv.h
@@ -1048,6 +1048,10 @@
 // Some clients will have this feature soon. This could make the NO_TIMEOUTS unnecessary.
 //#define ADVANCED_OK
 
+// Printrun may have trouble receiving long strings all at once.
+// This option inserts short delays between lines of serial output.
+#define SERIAL_OVERRUN_PROTECTION
+
 // @section extras
 
 /**
diff --git a/Marlin/src/config/examples/wt150/Configuration_adv.h b/Marlin/src/config/examples/wt150/Configuration_adv.h
index b9db322e23c4bb17572b61c06a571bc10feebb67..5f275e9f99473e83bf18ad56b691c26521442e2f 100644
--- a/Marlin/src/config/examples/wt150/Configuration_adv.h
+++ b/Marlin/src/config/examples/wt150/Configuration_adv.h
@@ -1049,6 +1049,10 @@
 // Some clients will have this feature soon. This could make the NO_TIMEOUTS unnecessary.
 //#define ADVANCED_OK
 
+// Printrun may have trouble receiving long strings all at once.
+// This option inserts short delays between lines of serial output.
+#define SERIAL_OVERRUN_PROTECTION
+
 // @section extras
 
 /**
diff --git a/Marlin/src/core/utility.h b/Marlin/src/core/utility.h
index 324028a96ffa9ccc77bd72eb20b7eefb4a5735cc..da3a065eaf8462d35c07ed2a485792d476042b73 100644
--- a/Marlin/src/core/utility.h
+++ b/Marlin/src/core/utility.h
@@ -25,8 +25,18 @@
 
 constexpr char axis_codes[XYZE] = { 'X', 'Y', 'Z', 'E' };
 
+// Delay that ensures heaters and watchdog are kept alive
 void safe_delay(millis_t ms);
 
+// A delay to provide brittle hosts time to receive bytes
+inline void serial_delay(const millis_t ms) {
+  #if ENABLED(SERIAL_OVERRUN_PROTECTION)
+    safe_delay(ms);
+  #else
+    UNUSED(ms);
+  #endif
+}
+
 #if ENABLED(EEPROM_SETTINGS) || ENABLED(SD_FIRMWARE_UPDATE)
   void crc16(uint16_t *crc, const void * const data, uint16_t cnt);
 #endif
diff --git a/Marlin/src/feature/bedlevel/ubl/ubl.cpp b/Marlin/src/feature/bedlevel/ubl/ubl.cpp
index c5ff87466a8a8aed087fdd90a9b82780f53587ab..8178ee132088bff54422ec08ac836f474c44f74f 100644
--- a/Marlin/src/feature/bedlevel/ubl/ubl.cpp
+++ b/Marlin/src/feature/bedlevel/ubl/ubl.cpp
@@ -59,7 +59,7 @@
           SERIAL_ECHOPGM_P(port, " Z");
           SERIAL_ECHO_F_P(port, z_values[x][y], 2);
           SERIAL_EOL_P(port);
-          safe_delay(75); // Prevent Printrun from exploding
+          serial_delay(75); // Prevent Printrun from exploding
         }
   }
 
@@ -76,7 +76,7 @@
     SERIAL_PROTOCOLPGM_P(port, " System v" UBL_VERSION " ");
     if (!planner.leveling_active) SERIAL_PROTOCOLPGM_P(port, "in");
     SERIAL_PROTOCOLLNPGM_P(port, "active.");
-    safe_delay(50);
+    serial_delay(50);
   }
 
   #if ENABLED(UBL_DEVEL_DEBUGGING)
@@ -173,7 +173,7 @@
     if (y < 100) { SERIAL_CHAR(' '); if (y < 10) SERIAL_CHAR(' '); }
     SERIAL_ECHO(y);
     SERIAL_CHAR(')');
-    safe_delay(5);
+    serial_delay(5);
   }
 
   static void serial_echo_column_labels(const uint8_t sp) {
@@ -183,7 +183,7 @@
       SERIAL_ECHO(i);
       SERIAL_ECHO_SP(sp);
     }
-    safe_delay(10);
+    serial_delay(10);
   }
 
   /**
diff --git a/Marlin/src/feature/bedlevel/ubl/ubl_G29.cpp b/Marlin/src/feature/bedlevel/ubl/ubl_G29.cpp
index 3e03dd0fd569a9dd62f7c48ff69a087aa9a53c8f..11aec934557ec3560bb125ae765e7724bd633d53 100644
--- a/Marlin/src/feature/bedlevel/ubl/ubl_G29.cpp
+++ b/Marlin/src/feature/bedlevel/ubl/ubl_G29.cpp
@@ -780,7 +780,7 @@
           }
         }
       }
-      safe_delay(15);
+      serial_delay(15);
       return false;
     }
 
@@ -999,13 +999,13 @@
           SERIAL_FLUSH();                                           // Prevent host M105 buffer overrun.
         } while (!ui.button_pressed());
 
-        if (!lcd_map_control) ui.return_to_status();               // Just editing a single point? Return to status
+        if (!lcd_map_control) ui.return_to_status();                // Just editing a single point? Return to status
 
         if (click_and_hold(abort_fine_tune)) goto FINE_TUNE_EXIT;   // If the click is held down, abort editing
 
         z_values[location.x_index][location.y_index] = new_z;       // Save the updated Z value
 
-        safe_delay(20);                                             // No switch noise
+        serial_delay(20);                                           // No switch noise
         ui.refresh();
 
       } while (location.x_index >= 0 && --g29_repetition_cnt > 0);
@@ -1509,7 +1509,7 @@
               SERIAL_PROTOCOLCHAR(',');
               SERIAL_PROTOCOL_F(z_tmp, 7);
               SERIAL_ECHOPGM("]   ---> ");
-              safe_delay(20);
+              serial_delay(20);
             }
           #endif
 
@@ -1524,7 +1524,7 @@
               SERIAL_PROTOCOLCHAR(',');
               SERIAL_PROTOCOL_F(z_tmp, 7);
               SERIAL_ECHOLNPGM("]");
-              safe_delay(55);
+              serial_delay(55);
             }
           #endif
 
@@ -1542,7 +1542,7 @@
           SERIAL_ECHOPGM("  D=");
           SERIAL_PROTOCOL_F(lsf_results.D, 7);
           SERIAL_EOL();
-          safe_delay(55);
+          serial_delay(55);
 
           SERIAL_ECHOPGM("bed plane normal = [");
           SERIAL_PROTOCOL_F(normal.x, 7);
@@ -1681,7 +1681,7 @@
         SERIAL_PROTOCOLPGM(" Loaded.");
       }
       SERIAL_EOL();
-      safe_delay(50);
+      serial_delay(50);
 
       #if ENABLED(ENABLE_LEVELING_FADE_HEIGHT)
         SERIAL_PROTOCOLPGM("planner.z_fade_height : ");
@@ -1697,20 +1697,20 @@
         SERIAL_EOL();
       #endif
 
-      SERIAL_ECHOLNPAIR("MESH_MIN_X  " STRINGIFY(MESH_MIN_X) "=", MESH_MIN_X); safe_delay(50);
-      SERIAL_ECHOLNPAIR("MESH_MIN_Y  " STRINGIFY(MESH_MIN_Y) "=", MESH_MIN_Y); safe_delay(50);
-      SERIAL_ECHOLNPAIR("MESH_MAX_X  " STRINGIFY(MESH_MAX_X) "=", MESH_MAX_X); safe_delay(50);
-      SERIAL_ECHOLNPAIR("MESH_MAX_Y  " STRINGIFY(MESH_MAX_Y) "=", MESH_MAX_Y); safe_delay(50);
-      SERIAL_ECHOLNPAIR("GRID_MAX_POINTS_X  ", GRID_MAX_POINTS_X);             safe_delay(50);
-      SERIAL_ECHOLNPAIR("GRID_MAX_POINTS_Y  ", GRID_MAX_POINTS_Y);             safe_delay(50);
+      SERIAL_ECHOLNPAIR("MESH_MIN_X  " STRINGIFY(MESH_MIN_X) "=", MESH_MIN_X); serial_delay(50);
+      SERIAL_ECHOLNPAIR("MESH_MIN_Y  " STRINGIFY(MESH_MIN_Y) "=", MESH_MIN_Y); serial_delay(50);
+      SERIAL_ECHOLNPAIR("MESH_MAX_X  " STRINGIFY(MESH_MAX_X) "=", MESH_MAX_X); serial_delay(50);
+      SERIAL_ECHOLNPAIR("MESH_MAX_Y  " STRINGIFY(MESH_MAX_Y) "=", MESH_MAX_Y); serial_delay(50);
+      SERIAL_ECHOLNPAIR("GRID_MAX_POINTS_X  ", GRID_MAX_POINTS_X);             serial_delay(50);
+      SERIAL_ECHOLNPAIR("GRID_MAX_POINTS_Y  ", GRID_MAX_POINTS_Y);             serial_delay(50);
       SERIAL_ECHOLNPAIR("MESH_X_DIST  ", MESH_X_DIST);
-      SERIAL_ECHOLNPAIR("MESH_Y_DIST  ", MESH_Y_DIST);                         safe_delay(50);
+      SERIAL_ECHOLNPAIR("MESH_Y_DIST  ", MESH_Y_DIST);                         serial_delay(50);
 
       SERIAL_PROTOCOLPGM("X-Axis Mesh Points at: ");
       for (uint8_t i = 0; i < GRID_MAX_POINTS_X; i++) {
         SERIAL_PROTOCOL_F(LOGICAL_X_POSITION(mesh_index_to_xpos(i)), 3);
         SERIAL_PROTOCOLPGM("  ");
-        safe_delay(25);
+        serial_delay(25);
       }
       SERIAL_EOL();
 
@@ -1718,7 +1718,7 @@
       for (uint8_t i = 0; i < GRID_MAX_POINTS_Y; i++) {
         SERIAL_PROTOCOL_F(LOGICAL_Y_POSITION(mesh_index_to_ypos(i)), 3);
         SERIAL_PROTOCOLPGM("  ");
-        safe_delay(25);
+        serial_delay(25);
       }
       SERIAL_EOL();
 
@@ -1727,27 +1727,27 @@
         SERIAL_PROTOCOLLNPAIR("  state:", READ(KILL_PIN));
       #endif
       SERIAL_EOL();
-      safe_delay(50);
+      serial_delay(50);
 
       #if ENABLED(UBL_DEVEL_DEBUGGING)
         SERIAL_PROTOCOLLNPAIR("ubl_state_at_invocation :", ubl_state_at_invocation); SERIAL_EOL();
         SERIAL_PROTOCOLLNPAIR("ubl_state_recursion_chk :", ubl_state_recursion_chk); SERIAL_EOL();
-        safe_delay(50);
+        serial_delay(50);
 
         SERIAL_PROTOCOLPAIR("Meshes go from ", hex_address((void*)settings.meshes_start_index()));
         SERIAL_PROTOCOLLNPAIR(" to ", hex_address((void*)settings.meshes_end_index()));
-        safe_delay(50);
+        serial_delay(50);
 
         SERIAL_PROTOCOLLNPAIR("sizeof(ubl) :  ", (int)sizeof(ubl));         SERIAL_EOL();
         SERIAL_PROTOCOLLNPAIR("z_value[][] size: ", (int)sizeof(z_values)); SERIAL_EOL();
-        safe_delay(25);
+        serial_delay(25);
 
         SERIAL_PROTOCOLLNPAIR("EEPROM free for UBL: ", hex_address((void*)(settings.meshes_end_index() - settings.meshes_start_index())));
-        safe_delay(50);
+        serial_delay(50);
 
         SERIAL_PROTOCOLPAIR("EEPROM can hold ", settings.calc_num_meshes());
         SERIAL_PROTOCOLLNPGM(" meshes.\n");
-        safe_delay(25);
+        serial_delay(25);
       #endif // UBL_DEVEL_DEBUGGING
 
       if (!sanity_check()) {
diff --git a/Marlin/src/gcode/calibrate/M100.cpp b/Marlin/src/gcode/calibrate/M100.cpp
index e24c2c23d98cafcc0f949d0507ba1ff5d2c0c1be..075004b01d72d6f4ca6a0740a9abbe30586b24e2 100644
--- a/Marlin/src/gcode/calibrate/M100.cpp
+++ b/Marlin/src/gcode/calibrate/M100.cpp
@@ -117,7 +117,7 @@ inline int32_t count_test_bytes(const char * const ptr) {
         print_hex_byte(ptr[i]);
         SERIAL_CHAR(' ');
       }
-      safe_delay(25);
+      serial_delay(25);
       SERIAL_CHAR('|');                   // Point out non test bytes
       for (uint8_t i = 0; i < 16; i++) {
         char ccc = (char)ptr[i]; // cast to char before automatically casting to char on assignment, in case the compiler is broken
@@ -131,7 +131,7 @@ inline int32_t count_test_bytes(const char * const ptr) {
       }
       SERIAL_EOL();
       ptr += 16;
-      safe_delay(25);
+      serial_delay(25);
       idle();
     }
   }
@@ -170,7 +170,7 @@ inline int check_for_free_memory_corruption(PGM_P const title) {
     // safe_delay(20);                 // boards.
     // while ( !READ(63))
     //   idle();
-    safe_delay(20);
+    serial_delay(20);
     #if ENABLED(M100_FREE_MEMORY_DUMPER)
       M100_dump_routine(PSTR("   Memory corruption detected with sp<Heap\n"), (char*)0x1B80, (char*)0x21FF);
     #endif