I have a Lexmark 13t0101 that prints but makes a loud noise like a gear stripping. The paper comes out wavy from side to side like it has been hot. Any suggestions? ken bagwell

Sounds like a tire may have slid off of a wheel. Yes they have wheels. Also paper soaks up water like a sponge always keep your paper in the wrapper it comes in and the top side of the paper is where the seam is. Make sure you put the paper in so that the top side is the side going through the machine. I do how ever believe you have a wheel or gear out of place.

does it jam in middle section or as it exit the output tray

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the feed roller gear is stripping; remove the cover and, adjust the gear retainer before it completely fails. (it should be easy to see the gear once the printer cover is removed.

My printer did the same thing, after tearing into it, I found one of the plastic gears had broke in two.

sounds like the rubber band in side the printer has jumped a tooth which is why it is grinding bud have it repaired or get another

They want some lubricant in back side chain & gear system

if your getting this noise on every print job the fuser is usually the cause if they have been running on a bit hot they will get flat spots on the pressure roller and it will create a loud kind of clunking sound real common on lexmark lasers. it can also be an envelope setting on some lexmark lasers they have a solonoid for envelope feeding if the envelope inhancment is ingaged in the menu thiscan also cause such a noise

It's called an ENCODER STRIP you will have to revmove the covers to reinstall.

top feeder for the scanner (on my x6570) had a loose piece of rubber stuck between the feed wheels. The rubber is part of the guiding mechanism that guides the paper to the feed wheels. Remove rubber strip and reattach it where it belongs.

Sounds like the photo sensor for the "transducer" for the cartridge assy is not working (or there is a power supply related problem....)

Look for loose connections of any cable from the small blocks on either side thin strip that goes through (behind) the the cartridge assy.It has thousands of verticle lines on it.....

They could also be dirty (Incorrect speed sensing).
(Try to clean if printer is dirty...Be careful not to blow i the cartridge assy area as the ink may fly everywhere)

DO not touch the thin strip with verticle lines .Very Delicate...