Foreign matter can consist of excessive paper dust or toner dust. You can also help prolong the life of the separation pad and the pickup roller by not running exceptionally heavyweight paper through the printer.Īnother common cause of paper jams is foreign matter inside the printer. I also recommend fanning the paper before loading it and doing a quick check to make sure that the corners aren’t bent. You can minimize the strain on the separation pad by never filling the paper feeder more than two-thirds full and by refilling the paper feeder when it is down to one-third of its total capacity. Printers that use horizontal paper feeders can also have this problem, but it generally takes a lot longer for the spring to wear out. This places excessive pressure on the separation pad. The vertical position of the paper feeder means that gravity is exerting downward force on the paper when the printer is trying to feed it. The pickup roller and separation pad problems happen most commonly with printers such as the HP LaserJet 1100 because of the vertical paper feeder. Prevent undue pickup roller and separation pad wear For complete instructions on replacing the LaserJet 1100 printer's separation pad, check out this page on Hewlett-Packard's Web site. This problem occurs because the spring isn’t exerting enough force on the pickup roller to prevent more than one piece of paper from being grabbed at a time. The problem will gradually become worse until the printer tries to grab the entire stack of paper, which of course causes a jam. The first sign that this spring is weakening will be that the printer will grab more than one piece of paper at a time. If the spring becomes weak, the separation pad won’t exert enough force on the roller and paper jams will occur. The separation pad’s job is to apply tension to the paper so that it is pressed firmly against the pickup roller. The separation pad is held against the pickup roller by a spring. Over time, though, the rubber surface on the rollers gets smooth and shiny and is no longer able to grip the paper effectively. Under normal circumstances, this rubber coating grips the page and moves it along through the printer. You can see an example of a pickup roller in Figure A. Pickup rollers are plastic rollers with a rubber surface. Generally, this is caused by the pickup rollers wearing out. Worn pickup roller or weakened separation pad springīy far the most common area for paper jams on the LaserJet 1100 is in the paper tray slot. If you’re unsure of your ability to perform such printer maintenance, or if performing such maintenance will void the printer's warranty, contact a qualified service professional or the manufacturer instead. Each model of HP laser printer is a little different, so instructions in this article may not apply exactly to your printer.īefore I begin, I’d like to stress that this article is intended to assist with basic printer repair and cleaning. Keep in mind that I will be explaining how to troubleshoot these issues on a Hewlett-Packard LaserJet 1100. Let's take a look at some common causes of paper jams and ways to resolve them. The trick is locating the source of the problem. Most chronic paper jams are caused by normal wear and tear and are correctable. Any assistance is greatly appreciated.Few things in life are as frustrating as trying to print a long document and having the printer jam after every couple of pages. The toners are all fine, the black one is getting low, but there is enough the print as I was able to print out one test page. I have checked this printer up and down and all around, and there are no jams, there is not loose or torn piece of paper, the trays and underneath are very clean, I have opened all doors on the printer but we still have this isse. Hello all, I have a Laserjet CP1525 that I am troubleshooting for a colleague and no matter what we do whenever we attempt to print we get "jam in tray 2" "Clear Jam and then press. Operating System: Microsoft Windows 7 (64-bit) I also asked this on the HP Forums, and I am waiting for an answer.
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