@mkudzia You can cycle through the available tools quickly, which activates them all. Activating each subsequent tool sets the current tool to standby before it's heated at all. If you don't want it to run tool change macros, select each tool with the P0 parameter, eg T0 P0, T1 P0, T2 P0. Then end with T-1 P0 to set the last tool to standby, too.
Ian