1 On average, a fingerprint scanner can cost anywhere from $40 to as much as $400. 2  For example, the highly-rated Eikon Digital Privacy Manager can retail for $75 to $90. These scanners can often come installed on a laptop. 2  If you choose this route, a laptop can cost a lot more. 3  Plan on spending anywhere from $200 to as much as $500 more if it does go bad. 4  Many opt to purchase two scanners in case they ever need a backup. 5  It is wise to program a backup just in case the first one fails.