Maytag MLG2000AWW sporadically trips the GFCI when setting the dryer timer.
Have the dryer serviced or replaced

Your dryer probably has a ground fault (my bet: the timer motor).  A skilled electrician or appliance technician armed with an insulation resistance tester could probably find it given a bit of time, or if you don't want to take any chances with the ability of a tech to fix it, replacement is always an option.