Based on this other question, Jehovah's Witnesses believe that the events depicted in Revelation 12:9, 12 happened in 1914.
The text in these two verses says (from KJV here):
9 And the great dragon was cast out, that old serpent, called the Devil, and Satan, which deceiveth the whole world: he was cast out into the earth, and his angels were cast out with him.
12 Therefore rejoice, ye heavens, and ye that dwell in them. Woe to the inhabiters of the earth and of the sea! for the devil is come down unto you, having great wrath, because he knoweth that he hath but a short time.
My understanding is that other denominations have other beliefs on when these events happened. For example according to the answers to this other question, the Catholic viewpoint is that it happened very early in the creation.
Also, if I look at the book of Job for example, I see that Satan describes himself as roaming on the earth in some sense. For example the book of Job (completed thousands of years ago) says in 1:7 (KJV)
7 And the Lord said unto Satan, Whence comest thou? Then Satan answered the Lord, and said, From going to and fro in the earth, and from walking up and down in it.
A similar statement by Satan is also found in Job 2:2 (KJV).
Also if Satan was the one who tempted Eve, he should have been able to be on earth long before 1914.
Are these parts not in conflict with the idea that Satan was cast to earth in 1914? How do Jehovah's Witnesses reconcile them with the belief that Satan was cast to earth in 1914?