For every $30 purchase you can add one more Label printer.
Like for $60 purchase you can get 2 free label maker.
Staples offers Free Brother PT70BM Handheld Label Maker With Purchase of $30 Or more.
How to get :
1) Search for sku 723501
2) Add it to your cart
3) Purchase for $30 or more
4) Add Coupon coupon code : 83577 at checkout.