Originally Posted by
andy227
Firstly, down to basics. The state of your optics is terrible. You printed those printouts, then I presume you scanned them on the glass to upload them here. The streaks appearing are from the dirty optics when you scanned them, so I presume glass slits on the laser are also very dirty, which will make any printing very low density. Copier tech basic, clean your scanner optics, clean your laser slit optics. Look at the copy again. What mileage have your PCU's done, how do you know no problem the pcu's ?, still bad ? Service the PCU's, clean the charge rollers, do a forced toner recovery for all, adjust the dev bias , and then look at the print and tell me if its ok or not.
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