He touches the Quartz Halogen Lamp pulling it out, and re-inserting it. I don't see him cleaning the finger prints off of it first.

Will it now turn black and burn out?

KYOCERA TASKALFA 180/1800/181/220/221 FUSER UNIT REPAIR (HEAT ROLE CHANGE) Part 1 and 2

https://youtu.be/DBFRk2xjoYI

https://youtu.be/ehcpXwR5INE