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513335b16b
* e3v3se: remove jerk settings from processes
Remove jerk settings from Ender3 V3 SE processes to prevent emission of M205 into gcode.
This is due to E3 V3 SE does not use jerk, but has junction deviation
enabled instead. Those two modes are mutually exclusive according to
marlin configuration page:
https://marlinfw.org/docs/configuration/configuration.html#default-acceleration-
https://marlinfw.org/docs/configuration/configuration.html#junction-deviation-
Based on M503 output, E3V3SE hase junction deviation enabled:
echo:; Advanced: B<min_segment_time_us> S<min_feedrate> T<min_travel_feedrate> J<junc_dev>
echo: M205 B20000.00 S0.00 T0.00 J0.10
"M205" emitted into gcode is useless since setting jerk settings via
"M205 Xn Yn Zn" does not have any effect on the stock V3 SE firmware.
* e3v3se: update machine retraction settings
Set retraction speed to 40 mm/s as recommended by Creality
Source: https://wiki.creality.com/en/ender-series/ender-3-v3-se/quick-start-guide/user-manual
Set retraction acceleration to 500 mm/s2 to prevent extruder clicking on retraction.
* e3v3se: update start gcode
* Set and wait for bed temperature to stabilize prior to homing.
Bed mesh calibration is done with the bed temp set to 60C.
Performing G28 with bed at room temperature will not compensate
for thermal deformation introduced by heated bed if there are any.
* Remove explicit mesh levelling enable (M420).
Creality FW auto enables M420 once homing (G28) is complete:
"M420 S1 Z10.00"
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