UV LED Printer UV LED Bulb Repair?

I am looking for some non working UV Printer UV LED Bulbs.

I am wanting to see if I can repair them... I have some theories...

You might get them back working or I will break them to the point that they are no longer usable.

I will pay Shipping.

AL

Do Replacement UV LED Lamps have a Core Charge? Do they want them back?