This setting is useful when you do not want to bring up products that are sold at a zero price . Maybe the product has some product rewards or something

I.Configuration Through Setup Menu

Step 1. Go to Setup -> More Menu -> Printing

Step 2. Select Printing configuration - Customer Invoice

Step 3. Change item without price visible to 'NO'

II.Result

Step 1. insert selling product with zero price

Step 2. Print result