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Re: HP Laserjet 3050 paper jam
The rollers may be worn so it is not getting picked up evenly. Also, be sure that your paper tray in aligned properlyand guides are keeping the paper straight. If both of these seems to be good then there may be something in the paper path.
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Jamming where? Is paper crumpled up in printer or does printer just stop. Likely the rollers in tray 2 are worn. Try printing from the MP tray, if that works then printer is ok and it will be the feed/sep rollers in tray 2. It is also very important on this model to ensure that you have current firmware installed as older versions of firmware have a bug that will wreck the fuser.
The LaserJet 4 plus I have worked with had a paper tray that was adjustable for letter or legal. If yours is not, there should be a door on the front of the printer that will pull down at the top, and is hinged on the bottom. Open the door, you will be able to extend the "paper tray" and put a small amount of legal sheets on it. Go to the menu and tell it to print to this paper tray, I believe it is paper tray one.
The problem is with the size you are about to print. Try to use the paper in landscape then Portrait as this may solve the problem. As the paper sensor in the printer is in the middle of the feed assy. and sometimes it may not detect the paper correctly. And also try to use the size as A4 but make the changes in your software you are printing from.
Description sounds like the fuser rollers are bad. To check it out run a 1/2 test. Put paper in the manual feed tray. Print something. As the paper gets 1/2 way into the printer, open the top cover,(you might have to print a few sheets to catch it just right) take out the toner and look down at the paper. If it is wrinkled, you could have a bad toner cartridge. If it looks good...get the fuser replaced.
Paper is not feeding through your printer properly.
First thing you should do is to remove the paper from your paper tray. After removing, place the paper back in the tray, making sure it sits evenly within the tray. There should be no part of that is higher than any other.
Next, carefully close the paper tray, making sure that no part of the paper catches when closing. Do this by feel. If you feel any resistance when sliding the tray shut, pull the tray open and try again.
If this does not solve the problem, open the printer doors and take a look inside the printer. There might be something small impeding the paper's smooth movement through your printer.
Finally, take a few seconds to clean the paper pulls (the little rubber wheels you see inside your printer). If these are dirty, the paper will not be pulled through the printer in an even way. It could pull off track causing one of the sides of the paper to rub against the printer. This is what causes the crumpling. To clean the paper pulls, just use a damp cloth and gently wipe them. Good luck!
There are many reasons why your photo paper gets jammed, but here the most common ones:
- The photo paper is crumpled, or the edges are fold. Be sure that the paper is completely straightened out before putting it in the feeder. - Your tray lock is larger than your paper. It is recommended that you keep your tray holder lock the size of your paper. The best way is still to keep a .5cm allowance. - There is something blocking the feeder which causes the paper to go out of track. Are you sure there isn't a crumpled paper or torn paper left with the feeder?
Take out the paper and look in the paper feeding slot: you will see a metal rod with seven rubber rollers on it. One of them (the one opposite the crumpling) is not catching the paper properly.
Easy to fix reasons are pieces of paper or debris caught in the plastic "teeth" of the mechanism, which stop the paper from being captured, and the whole rod snapped out of one side's retainers (gently pull it back in position until it clicks. The snapped-out side is the one opposite the crumpling).
The debris might also be just inside the feeder slot, so you'll have to use a strong light and hair-tweezers.
Unlikely-to-be-fixable reasons include worn out or defective rollers, severely snapped-out-of-alignment rollers and a warped rod.
You may get the printer to print (if the rod is intact but mysteriously not catching the paper) by keeping the paper upright with two fingers on the sides, so that one side's rollers only are supplying traction and your fingers supply the steadying. Not very satisfactory, but the "hand-feeding" often works.
You may also get some more weeks out of a worn roller by cleaning it carefully with a cotton swab and rubber cleaning fluid (beware not to use a solvent! "Rubber renewing" sprays are usually OK, just spray some on the swab). Sometimes, dust is enough to get an otherwise good roller out of operation; in this case the trick gets you a couple years' time.
Open the top as if you were going to change ink cartridges. Find all rollers yuou can and wipe them with a t-shirt type material dry. Do not use any liquids unless you can get some rubbing alcohol. Turn the wheels and claen them as best as is posible. Open the paper jam door and do the same to all rollers in site. Any way you can get to the rollers, use it. This should solve your problem. Also try fanning your paper before loading it. Thanks, Dana