Question about Samsung ML 2010 Laser Printer

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Consistent, faded and streaking vertical lines across entire page, from top to bottom.

My Samsung ML-2010 has started printing consistent, faded and streaking vertical lines across an entire page from top to bottom.  I have created a test page of solid black lines and the pattern is 100% (as far as I can see) the same on each and every line.  Pattern does not suggest a problem with the print roller.  Just filled my toner cartridge, and downloaded new driver, but problem still exists.  Starting to believe problem is with the laser gun, or circuitry itself, but would like to get a definitive answer.  This printer is 1 1/2 years old.

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Re: Consistent, faded and streaking vertical lines across...

Toner issue getting to drum - use gen toner cart.

or Drum blade stuffed (lines are down page fro top to bottom- replace drum assy

Drum has been exposed to light faint or blank across copies repeated 4 times down page - replace drum assy

or upper fuser roller stuffed, down page, smudgy print -  replace fuser

LSU(laser) or boards rarely cause issues

Posted on Oct 26, 2007

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