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Re: wrinkling in fuser area
If there wasn't wrinkling before the guide was changed, check for alaingment of the guide and any minor obstructions. Also, check the condition of the fuser rollers especially the lower pressure roller. Check for wear and the clear sleeve "gathering up", (if applicable. Did you do anything to change the pressure of the roller?
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Could be a number of factors.. first humidity affects paper, if there is moisture in your paper...caused by air conditioners constantly running .
check the paper by placing the back of your hand to the paper that is in the paper tray and or the package for a very cool feeling, this will definitely cause the paper to wrinkle when coming out of the fuser unit.
Also it could be charging of the paper during the transfer stage..which can be checked by starting a copy and trying to catch it before the paper enters the fuser rollers ..too late if it comes into contact with the upper and lower pressure rollers of the fuser unit.
Also the fuser unit definitely needs to be checked as a major source of wrinkling of copies..sometime the fuser roller will start loosing some of it's coating which you can easily check by viewing the condition of the upper roller.
Anyway it's either moisture in the paper, charging of the paper, or the fuser unit is the probable suspect.. check them all.
Maybe you have problems with the upper fuser roller, open the back door and try to see the upper fuser roller and lower pressure roller if you see any wrinkles or damage in any of the rollers that's is the problem, you can replace them just the upper fuser roller and the lower pressure roller but it will need advanced skills, the other option is change all fuser assembly but at higher price
This is most likely cased by a dirty paper feed path so it will need cleaning and blowing out. Make sure that all the internal paper guides and separators are free of obstruction. Make sure that the fuser area is clean that the internal paper guides are ll in place and operate freely. Also clean it with a vacuum with a soft haired brush tool to avoid any damage. Also fan the paper before using it and do not overload the print paper tray. Also check that the pick up rollers are not work or contaminated with dirt / debris etc. Also make sure that the print tray is not overloaded and make sure that the paper is not to tightly held by the tray side guide.
ok, in this case you need do: 1) check the roller before the fuser and after it some roller old not enough firction and pressure balance 2) check the fuser press roller it could not has good tough to fuser surface, it should be no gap at all and good pressure balance on the fuser surface 3) check the fuser cleaner which maybe too dirty, or change new one if you have the parts. 4) fuser unit maybe too old if printing pagers over its life cycle hope this help you and please ask me any time.
The fuser is shot....this is the unit that uses heat and pressure to fuse the toner to the page. It is primarily when the pressure roller wears that you get crinkling and bad fusing, but I'm sure the upper sleeve has seen better days as well. These days it is (sadly) cheaper to replace this printer with a new little HP -only around $100 or so.
Many possibilities can cause this.... The Pick Up Rollers could be worn out and not picking the paper up correctly. Something blocking, or catching in the paper path The Fuser unit rollers could be sticking, going bad.. The Exit Delivery could be warped, cracked. After these machines get old, the heat from Fuser unit causes the delivery Exit to melt, warp, and become extremely brittle.
The simple things you can check your self:
Entirely remove the paper tray, look in the copier where the paper tray slides in, look in side the machine where the paper tray goes, make certain there is nothing in the trays path.
Take the paper out of the paper tray, go through the paper make certain there is no crumbled paper in the tray, it should lay flat and even in the tray...
My favorite, check the paper it self.
I once was at a customer whom recently changed their paper supplier; every 10th piece of paper was creased from the new **** of paper. I found that the entire Box of paper had creases in every ****. It was the paper not the machine. It was pre-wrinkled.
this is usually not caused by the paper tray. this problem is usually caused by the fuser assembly. check your paper path. dead cycle the printer, shut the printer down before the paper enters the fusing area, check for wrinkles. remove all paper, print again, check the output, wrinkles, replace the fuser.
when this occurs the problem is most of the time with the transport roller, fuser / fixing assembly roller.question is the image still toner only and not fused to the paper.
In these areas there is offen a jammed and not removed piece of paper dislodged in the paper path or jammed in the fuser or the transfer rollers teflon coating has perished inspect the areas carefully and remove any found if the unit still is faulty (fanning of paper the fuser would be the first to be replaced are past there usable life) if so then Post a reply
HP makes great laser printers, the commercial LaserJets typically last 8+ years without much more than an occasional maintenance kit to keep them going. The 1000 series printers are quite another story, they are designed for the low end printer market and just can?t take hard usage over time. The typical culprits with paper wrinkling are heat from the fuser or paper problems.
-In the paper tab of the printer driver make sure the correct media is selected. This controls how hot the fuser gets which also causes paper curl/wrinkling.
-Buy some fresh HP grade paper, improper humidity, coatings and storage can also cause problems.
-Try a new HP cartridge.
If you still have no success starts a print job and turn off the printer while the paper is feeding. What you want to do is try to freeze the wrinkling process so we can identify what area is causing it. Post this information.
Also open the rear, straight through door; also let us know what happens.
Let us know how it goes and please don?t forget to rate this posting.