Hello maybe you can help me with my laser printer Samsung CLP 315 ,makes at the back of the page black spots (black-brown) seem like toner,and if you scratch them you can remove them... I just open the machine and clean the drum the cartridge and i think everything with vacuum cleaner- but the problem is still there so if i print both sides i have the spots at both sides too.....
Thanks in advance
Thanks in advance
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