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Lexmark printer?

Hi everyone, I have Lexmark Optra S 1855 laser printer, I had lost it's driver so I have downloaded online but now i face problem that when i give print to it, printer print some symbolic language. Can someone help me to overcome this problem. I had purchase this printer used so I have no original invoice of vendor so i can't contact Lexmark customer service. Please help me. Thanks.

Public Comments

1. i had the same problem but you can contact lexmark and they will not ask for proof of purchase or anything