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M104 - Set Hotend Temperature

thermal Set a new target hot end temperature.

Description

Set a new target hot end temperature and continue without waiting. The firmware will continue to try to reach and hold the temperature in the background.

Use M109 to wait for the hot end to reach the target temperature.

Notes

  • With PRINTJOB_TIMER_AUTOSTART this command will stop the print job timer if the temperature is set at or below half of EXTRUDE_MINTEMP.

Usage

M104 [B<temp>] [F<flag>] [S<temp>] [T<index>]

Parameters

[B<temp>]

AUTOTEMP: The max auto-temperature.

[F<flag>]

AUTOTEMP: Autotemp flag. Omit to disable autotemp.

[S<temp>]

Target temperature.
AUTOTEMP: the min auto-temperature.

[T<index>]

Hotend index. If omitted, the currently active hotend will be used.

Examples

Set target temperature for the active hotend

M104 S185 

Set target temperature for E1

M104 T1 S205 

AUTOTEMP: Set autotemp range

M104 F S180 B190 

AUTOTEMP: Disable autotemp

M104