Don't know much about the Toshiba e studio 2550c I'm having a problem there a black and color streak near the bottom of the copy. I cleaned the LED unit check the drum units This is a refurb about two day ago this just started happening the customer after cleaning the copier ran 25 copier problem cleared up than a black streak show at the bottom the copier leaving me to think that it the drum unit. So left it at that came back to the and the streak had reappeared.Attachment 45023ebsmicas@gmail.com_20200220_171300.pdf
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