RFE on EAD?

I recall reading about RFEs where they asked for clearer photocopies of photo IDs (i.e. a clearer copy of your passport page, driver's license, etc).
 
I haven't attached any documentation to the EAD last year and it worked out OK... I'll see what they want shortly.
BTW, does the date on approved i140 changes when they issue EAD?
Thanks and Happy New Year!
 
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