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Paper crinkles in fuser

My Lexmark Optra Rt+ b&w laser printer has been a workhorse for several years. Just this week, for no apparent reason, it has started consistently crinkling the paper as it feeds through the fuser (it happened every once in a while previously, but is now consistent). Heavy paper (24 pound) or labels still make it through without crinkles, but standard paper, including slightly textured letterhead, shows a jagged wrinkle.

B&W lasers have become inexpensive enough that I'm reluctant to spend a lot on getting this repaired, but I'm wondering if anyone has suggestions for a possible fix I could do myself.

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David-Howard

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Andrew Davis

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ElrondCT

ASKER

It wrinkles at the top of the page. I get wrinkling with any paper path--either tray or the manual path, output to the main tray or the direct-out tray. The rollers that I can see look OK, though I can't find a way to look at the rollers that feed the paper into the unit.

nobus

was there sometimes used a "wrong" paper type? like plastic covered paper, or such ? that can cause meltdowns on the rollers / fuser parts

ElrondCT

ASKER

No, no special papers. On occasion, I use labels that are designed for laser printers; I've never seen signs of damage to the labels that might result in leaks onto printer parts. Otherwise, it's strictly 20-24 lb paper. I don't think I've even used labels in the last couple of weeks.

nobus

can be worn rollers, or bad fuser .. difficult to tell