forgot to ask something.. When you shipped the keyboard, did UPS open the box up and inspect the contents? If so did they say it was ok to ship? Every keyboard I've shipped through UPS they opened the box and inspected the packing. However I stuck to their policy with the 2" packing just to play it safe, but what I'm saying is that if they inspected the box and said it was good to ship, then you should be able to get your money back. They're supposed to tell you before it ships that not having the 2" packing will completely void the reimbursment agreement(even if you have the insurance)

Squeak
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GEAR: Yamaha MOXF-6, Casio MZX-500, Roland Juno-Di, M-Audio Venom, Roland RS-70, Yamaha PSR S700, M-Audio Axiom Pro-61 (Midi Controller). SOFTWARE: Mixcraft-7, PowerTracks Pro Audio 2013, Beat Thang Virtual, Dimension Le.