My soldering has burn how can I made it

My soldering iron has burn how can I made it

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Can you post a few pics so we can see the damage

crwdns2934271:0crwdnd2934271:0crwdne2934271:0

What do you mean by "It has burn"? Can you show pictures? Have you cleaned and tinned the tip? What type of soldering iron? Are you using flux with it?

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