Preview Mode always assumes that you are going to print with the "records being browsed" option and thus previews all records in your current found set. You can either use the book control to click through the pages of your preview to get back to the desired record or you must limit your found set to just the current record. The best method to do that is usually to perform a find for a value unique to the current record--such as the value of its primary key.
Show All Recofrds
Show Omitted Only
Will also isolate the current record, but in hosted databases with multiple users, it's possible for the last step to bring up more than one record if another user happens to create a new record at just the wrong instant in time.