Question: You may find me fast:  

My answer is transparent  

to those restive few who went off  

Their egregious oversight  

Left to scan and screen

Hear my refrain  

bound to draw the story out

Hint #1

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> Please stop trying to edit the title. It's one of the clues.
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Hint #2

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>  As @Mea Culpa Nay pointed out, there is a contradiction. So many contradictions, in fact, that it's almost moronic.
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Hint #3

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>  My last clue is a Herring. Does that make me two-faced?
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Hint #4

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>  I am what I am, and I am what I am not.
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Answer: 
Are you:

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>  An X-Ray?
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You may find me fast:

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>  An x-ray examination is over in a flash
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My answer is transparent

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>  X-Rays see through things... but also old-fashioned hospital x-rays were put onto a transparency to view on an OHP.
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Left to scan and screen

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>  An x-ray could also be referred to as a *scan* or *screening*.
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bound to draw the story out

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>  The results of an x-ray could lead to a more lengthy hospital procedure.
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The title "Original Riddle"

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>  Not sure on this, but an x-ray transparency is also a form of photographic negative. Negatives are the "original".
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My guess is:

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>  A Riddle!
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You may find me fast:

My answer is transparent

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>  You can find the answer to a riddle pretty fast if you just happen to think in the right direction. The answer is also "transparent," i.e obvious (once you get to know the answer, at least :P )
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to those restive few who went off

Their egregious oversight

Left to scan and screen

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>  Some "restive" (which means people who're too restless, by the way) people may over think the answers. A true testament of Puzzling.Stackexchange. 
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Hear my refrain

bound to draw the story out

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>  Riddles often use repetition etc, similar to poems and songs. They also try to complicate things and make an entire story out of a word. 
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Also...

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>  This sorta explains why the poster was adamant about keeping the title as is, and the comment about it not being tagged as a riddle etc. 
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