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  1. Hi, in order to prevent oozing from the unused extruder in dual extruding I would like to put some lines in the preSwitchExtruder.gcode section. The best way is to lower the temperature of the unused extruder to a value below the melting point. My questions: 1. How can i detect the number of the used and unused extruder to set the appropriate temperature values? Is there a variable like {used_extruder} or {unused_extruder}? I would be very interested in a list of variables, wich can be used in start, end and switching codes. I did not find it with google 2. is it possible to put cond
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