Printing not match as printing preview

hi,  i'm using corel draw x8, when i try get printout it's no t match as print preview...  corel file has 52 mb and 12 pages.. before it get print correctly  after reprint again it not correctly print.

it geting scaling and space get close ... as if i try to print full A4 print it get images get closing and A4 has like 4 inch( not slimier may different)  space from below edge.  some time if i get print using file convert to PDF ; can get print correctly. what is the problem anyone know it???

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