Unplug the power cord. Remove the lint screen from its compartment. Remove the two screws next to the lint screen housing.
Insert the putty knife into the gap between the front panel and top panel. Pry the top panel up on the right and left ends to unhook the internal spring clips. Lift the top panel up and back to rest against the wall behind the dryer.
Disconnect the door switch harness on the right side of the cabinet by the top panel.
Remove the two screws along the top of the front panel. Lift the front panel up and away from the Roper dryer to remove it.
Move the idler pulley under the drum toward the left to loosen the belt. Remove the belt from the pulley and motor shaft.
Lift the drum out through the front opening.
Unplug the electrical connector leading to the ignitor.
Remove the screws holding the ignitor to the burner tube. Lift the ignitor out of the dryer cabinet for inspection, repair or replacement.