Check to see that the finger bowl and towel are on the credence table.
Place chalice (dressed), wine and water on table.
Be sure there are enough hosts (check tabernacle) and if there are not put some in plate with large host to be consecrated (approximately 20 normally).
Check readings to be sure that the book on the podium is on the right page.
Light candles on each end of the altar..
Turn on all lights in the church.
Turn on the sound system and make sure the speaker light is on.
Check candle in front of St. Michael, Our Lady of Perpetual Help, and the sanctuary light.
Make sure the key is in the tabernacle.
Place out chalice, purificator, paten (1 large host and 10-15 small), pall and corporal.