Check your end gcode in the printer
you probably have something like this
; Retract and move away
G91
G1 E-[retract_length] F1200 ; retrac_length is the retraction length set in the proviel
G0 X5 Y210 F[travel_speed]; Travel_sped is the travel spee
G28 ; go home
M104 S0 ; turn off temperature
M140 S0 ; turn off heat bed
M106 S0 ; turn off layer fan
M84 ; disable motors
Note that all subsequent movements will happen at the speed of the last Fnnn setting where nnn is mm/min so if you set it to 1200 that means 1200mm/min or 20mm/sec if you want you can set it in its own line like
G0 F1200; move all axis after this at 20mm/sec