K1 fix start gcode - #580
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Description
Several Creality machine profiles set the first-layer nozzle temperature with
M104(set temperature, no wait) immediately before the purge/prime line.Because
M104does not wait, the purge line runs before the nozzle has reached temperature, extruding through a nozzle that is not yet hot enough to melt filament — producing a poor or failed purge line.Fix
Changed
M104 S[...]toM109 S[...]on the line immediately preceding the purge, so the printer waits for the target temperature before purging.Creality profiles that already waited correctly (
M109) were left untouched.I only fixed K1 profiles with this PR.
Note
Other affected profiles remain to be reviewed.