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Crinkling paper is usually due to either an obstruction in the paper path or a bad fuser, which is the part of the printer that heats the toner so it melts to the page. It is located at the top of this printer. It can be a little challenging to see the fuser on this model, but if you look close you should be able to determine if the fuser is bad. You might also have a bad transfer belt, inspect it closely on the side the has the crinkle.
Does the printer perform it's self-test ? Usually receipt printers will do this by turning-on, (or plugging-in,) the power while the [feed] button is pressed down for a second or two.
If the paper comes out, but no printing is on it, then it may be in Upside-down. Thermal paper has a coating on it that must be Up for the heat to 'burn' it.
The rollers that advance the paper could have been messed up by the key, therefore crinkling paper and not advancing in proper timing with the ink. It also could have busted of the plastic gears in modern day printers.
When the paper does not feed straight, dirty or stickyrollers can cause it to jamb or crinkle, also failure to remove all traces ofpaper from a previous paper jamb will cause further paper jambs. Check for tiny pieces of at the edges of the rollers, and remove these piecesof paper.
The rollers may be dirty or sticky and causes the paper tonot feed straight. Try cleaning the rollers with methylated spirits.
When the paper does not feed straight, dirty or stickyrollers can cause it to jamb or crinkle, also failure to remove all traces ofpaper from a previous paper jamb will cause further paper jambs. The rollers may be dirty or sticky and causes the paper tonot feed straight. Try cleaning the rollers with methylated spirits.
When the paper does not feed straight, then dirty or stickyrollers can cause the paper to jamb or crinkle. Try cleaning the rollers with methylated spirits
It the paper comes out crinkled or accordion looking then it is your fuser. Check where your the paper comes out of. There might be a piece of paper jammed in there that is causing this. If no obstuctions then it might be the roller on the fuser cracking and cause it to crinkle the paper. The fuser is the last thing the paper goes through before coming out. It "fuses" the toner to the paper.
I would check the paper path on the printer where it is crinkling the paper. More than likely there is some small piece of paper or something that is causing it. Does it only do this out of quicken? I wouldn't think so if the paper comes out damaged....
Most of the crinkled paper issues I deal with have to do with the fuser roller lining going bad. If this is your issue the crinkle will be a vertical line from the leading edge to the trailing edge. You will need a new fuser.
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