M208 - Set recover=unretract length S[positive mm surplus to the M207 S*] F[feedrate mm/sec]
M209 - S<1=true/0=false> enable automatic retract detect if the slicer did not support G10/11: every normal extrude-only move will be classified as retract depending on the direction.
M218 - Set hotend offset (in mm): T<extruder_number> X<offset_on_X> Y<offset_on_Y>
M220 S<factorinpercent>- set speed factor override percentage
M221 S<factorinpercent>- set extrude factor override percentage
M226 P<pinnumber> S<pinstate>- Wait until the specified pin reaches the state required
M220 - Set speed factor override percentage: S<factorinpercent>
M221 - Set extrude factor override percentage: S<factorinpercent>
M226 - Wait until the specified pin reaches the state required: P<pinnumber> S<pinstate>
M240 - Trigger a camera to take a photograph
M250 - Set LCD contrast C<contrastvalue> (value 0..63)
M280 - Set servo position absolute. P: servo index, S: angle or microseconds
@ -117,9 +117,6 @@ M907 - Set digital trimpot motor current using axis codes.