My experience tells me that it should not be a problem. You may call the 1-800 to doublecheck.
2. 我交EB1-b485申請時也交了765 (EAD)申請.我於10月3日同時收到485和765的Receipt. 於10月12日收到765的通知 "Card Production Ordered".這是否意味著我的EB1-b485在被處理?
They are processed separately.
3. 一般我要等多久能收到打指紋的通知?
You need to check the processing times for your service center.