Final answer:
Faber suggests printing extra copies as a way to spread knowledge and preserve literature.
Step-by-step explanation:
Faber suggests to Montag about printing extra copies with the intention of distributing them to individuals in order to spread knowledge and preserve literature. He believes that by printing multiple copies of books, they can ensure that the written word survives and that people can access and read them, even if it goes against society's norms. Faber sees the power of duplicating and sharing literature as a way to fight against censorship and ignorance.