hi gays 
the machine started giving me this error after i chnger the drum and i get it every time i make a copy or print somthing , i have to rebbot it to print something else ...
any suggesstion how to solve this error would be nice
thanks in advance

the machine started giving me this error after i chnger the drum and i get it every time i make a copy or print somthing , i have to rebbot it to print something else ...
any suggesstion how to solve this error would be nice
thanks in advance
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