How many different ways can seven types of laser printers be displayed on a shelf in a computer store? There are different ways to display the seven types of laser printers on a shelf.

Step 1 ：We are asked to find the number of different ways seven types of laser printers can be displayed on a shelf in a computer store.

Step 2 ：This is a permutation problem. The number of ways to arrange n distinct objects in a row is given by n!. In this case, n is 7, so the number of ways to arrange the seven types of laser printers is 7!.

Step 3 ：Calculating 7!, we get 5040.

Step 4 ：Final Answer: The number of different ways seven types of laser printers can be displayed on a shelf in a computer store is \(\boxed{5040}\).