Question about Lexmark Optra S 1855 Laser Printer

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Faint grey lines Every 1/3rd of a printed page

Every third section of a page I get 1/8 in thick grey lines across the page.

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This is the test to determine toner or fuser issue.
Print a test page
When you hear the paper feed into the machine open the top to stop the machine
Remove the toner cart.
You should be able to see the page with printing on it. (This is before the page hits the fuser)
If you can see the smudge or marks on the page the problem is most likely the cartridge or cleaning roller but NOT the fuser.
If the page is clean the problem is most likely the fuser.

Posted on Mar 14, 2009

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Are they lines from one edge to the other in a straight line. Or is it faint reprint across the page?
Thin lines would most likely be a bad drum or cleaning blade.
If it is faint reprint it is the heat roller in the fuser.

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Hey Paul, Can you post a scan of the printed paper? It may help diagnose your problem. The most common cause of lines accross the page is either the PhotoConductor Unit or the 2ND BTR Assy.

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