Dymo XTL trade in deal (US Only)

Dymo are offering a trade in deal where customers can trade in their old label printers, and purchase some labels, and they can claim an XTL printer for free.  The 3 offers being made are:

• BUY 5 DYMO XTL LABELS & TRADE IN YOUR PRINTER GET A DYMO XTL 300 
• BUY 10 DYMO XTL LABELS & TRADE IN YOUR PRINTER GET A DYMO XTL 300 KIT FREE
• FREE BUY 15 DYMO XTL LABELS & TRADE IN YOUR PRINTER GET A DYMO XTL 500 KIT FREE

No mention is made as to which printers are eligible for trade in though, but the full details are here in this Dymo Flyer: