diff --git a/printer.cfg b/printer.cfg
index 823df1f..d278968 100644
--- a/printer.cfg
+++ b/printer.cfg
@@ -256,7 +256,9 @@ activate_gcode:
 
     {% if TARGET_TEMP > PROBE_TEMP %}
         { action_respond_info('Extruder temperature target of %.1fC is too high, lowering to %.1fC' % (TARGET_TEMP, PROBE_TEMP)) }
+        M106 S255
         M109 S{ PROBE_TEMP }
+        M106 S0
     {% else %}
         # Temperature target is already low enough, but nozzle may still be too hot.
         {% if ACTUAL_TEMP > MAX_TEMP %}
@@ -272,11 +274,11 @@ activate_gcode:
 [fan]
 ##	Print Cooling Fan - CNC_FAN0
 pin: !PA4
-kick_start_time: 0.5
+kick_start_time: 0
 ##	Depending on your fan, you may need to increase this value
 ##	if your fan will not start. Can change cycle_time (increase)
 ##	if your fan is not able to slow down effectively
-off_below: 0.10
+off_below: 0.28
 
 [heater_fan hotend_fan]
 ##	Hotend Fan - CNC_FAN1
@@ -352,7 +354,7 @@ points:
 	50,275
 	300,275
 	300,25
-speed: 100
+speed: 300
 horizontal_move_z: 10
 retries: 10
 retry_tolerance: 0.01
@@ -401,8 +403,19 @@ gcode:
 
 [gcode_macro PRINT_START]
 gcode:
-    M140 S{ params.BED | float }                                    ; set bed temperture
-    M109 S150                                                       ; get nozzle to probing temperture
+    M140 S{ params.BED | float }                                    ; set bed temperature
+
+    {% set PROBE_TEMP = 150 %}
+    {% set ACTUAL_TEMP = printer.extruder.temperature %}
+    
+    {% if ACTUAL_TEMP > PROBE_TEMP %}
+    M106 S255
+    M109 S{ PROBE_TEMP }
+    M106 S0
+    {% else %}
+    M109 S{ PROBE_TEMP }
+    {% endif %}
+                                                          ; get nozzle to probing temperture
     M190 S{ params.BED | float }                                    ; wait for bed to reach temperture
     G32                                                             ; home all axes
     G1 Z20 F3000                                                    ; move nozzle away from bed
@@ -429,6 +442,19 @@ gcode:
     BED_MESH_CLEAR                                                  ; clear bed mesh       
     SET_LED LED="hotend_rgb" RED=1 GREEN=1 BLUE=1 SYNC=0 TRANSMIT=1 ; turn on hotend LED
 
+[gcode_macro LOAD_FILAMENT]
+gcode:
+    M83
+    G1 E50 F300
+    G1 E30 F150
+
+[gcode_macro UNLOAD_FILAMENT]
+gcode:
+    M83
+    G1 E-50 F3000
+    G1 E-50 F3000
+    G1 E-50 F3000
+
 #*# <---------------------- SAVE_CONFIG ---------------------->
 #*# DO NOT EDIT THIS BLOCK OR BELOW. The contents are auto-generated.
 #*#
@@ -439,16 +465,8 @@ gcode:
 #*# shaper_freq_y = 62.0
 #*#
 #*# [probe]
-#*# z_offset = -1.910
+#*# z_offset = -1.875
 #*#
 #*# [extruder]
-#*# control = pid
-#*# pid_kp = 23.189
-#*# pid_ki = 1.562
-#*# pid_kd = 86.089
 #*#
 #*# [heater_bed]
-#*# control = pid
-#*# pid_kp = 62.274
-#*# pid_ki = 3.218
-#*# pid_kd = 301.250