From 4998cfb70d4f8778f3f7f7c7fcb3d52a94f56d5d Mon Sep 17 00:00:00 2001
From: 3d-gussner <3d.gussner@gmail.com>
Date: Wed, 10 Feb 2021 08:59:31 +0100
Subject: [PATCH] Fix printing time being shown without `M73` gcode Adjust
 estimated times only if speed is changed. Printing time has to stay printing
 time.

---
 Firmware/ultralcd.cpp | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/Firmware/ultralcd.cpp b/Firmware/ultralcd.cpp
index 5041f2036..cd5705aae 100755
--- a/Firmware/ultralcd.cpp
+++ b/Firmware/ultralcd.cpp
@@ -718,8 +718,12 @@ void lcdui_print_time(void)
             print_t = print_tr;
             suff = 'R';
         }
+        else
+        {
+            print_t = _millis() / 60000 - starttime / 60000; 
+        }
 
-        if (feedmultiply != 100)
+        if (feedmultiply != 100 && (print_tc != 0 || print_tr !=0))
         {
             suff_doubt = '?';
             print_t = 100ul * print_t / feedmultiply;