You need the Admin for this. Go to Settings → Tickets → Price types and select the product in question. On the right-hand side of the screen are the advanced settings. Select the 'NoPrint' template under 'Cash register print template'.
Learn how to disable the printing function of a specific product to avoid unnecessary paper consumption.
You need the Admin for this. Go to Settings → Tickets → Price types and select the product in question. On the right-hand side of the screen are the advanced settings. Select the 'NoPrint' template under 'Cash register print template'.