Missing Ti-tle
Parts of some support systems? DCUPS ["systems" makes it]
Hope unit RAY
Record holder SLEEVE
Brew follower? SKI
Theme:
Princeton jazzman? JERSEYCAT
Sign outside a boarded-up JFK? AIRPORTSHUT
Carpet-cleaning android? VACUUMBOT [Bot is short for robot, which may be considered an android]
Latin infinitive ESSE [I