The rear L.H.S hinge has broken . Also when it tries to print, it makes a load "grinding" sound followed by jamming the paper. When I remove the toner, the paper is concertina-ed. Any assistance is appreciated.
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Not a perfect fix, but this is what I did: There are 2 spring-loaded pistons located on the printer side of the hinge that cause this problem. I think there should be another piece of plastic that holds the top of the printer hinge down on these springs, but when this hinge is gone, the top of the printer is held upward by them. If you use some pliers to gently pull these spring-loaded pistons upward, you can easily pull them out, followed by the springs they cover. Once removing these, the top of the printer lies flat. The top is still unstable, but mine will now feed paper just fine and closes. Hope this helps! WebRepOverall ratingThis site has no rating(not enough votes)
If you can take off the bypass unit, two screws and a harness, you may be able to check the shaft, bushings and rollers. Sometimes removing jammed paper cause parts to get out of normal position. The grinding noise for example, gears not meshing together correctly. If it worked before the jam, then that is where I would look.
It may be a bad hinge on the document feeder. I have seen several times where the left hinge ( when looking at machine from front) does not close all the way. Close the adf and look at the gap between the copier and the adf. The gap should be the same from the front to the back. If the gap is bigger at the rear ( when looking at the left side of the machine) then you need to replace the left hinge. You can also try pushing down on the document feeders' left side as it feeds the paper. if it works while pushing down, then it is the hinge.
I am assuming its jamming in the ADF when you are attempting to make a copy, if so open the top lid of the scanner and check both hinges and make sure they are not broken or cracked. The slightest crack in a hinge will offset the paper path and cause jams. If the hinges look good check for a clear plastic mylar strip under the lid, it will be on the left side. If that plastic strip is missing that will also cause jams.
You need a new hinge so the cover will sit down properly, or paper will jam anyway, but it sounds like there is still a scrap of paper on one of the sensors inside the ADF, you need to look with a flashlight down thru where the paper goes and also look up thru the slot with the ADF lifted.
Hi, the left hinge is spring loaded to keep the lid open. This applies a lot of pressure on the pivot point of the hinge (steel pin/plastic hinge) that elongates the plastic holes and raises the lid from the scanner. As the paper leaves the scan window, a ramp next to the scan window sends the paper up to the tray, just past that ramp under the lid is a lip that guides the paper to the tray. With the hinge stretched, the lip is too high and catches the end of the paper at the rear only, and jams the paper. If you press on the cover (with the new hinge) and it does not catch then you have installed a bad hinge. Also ensure that the top part of the hinge is on the guide pins under the cover.
To answer Meyerson's questions:
My symptoms did not include papers jamming in the ADF -- in fact, the ADF didn't work at all due to the broken left hinge. :( Also, I don't recall having any unusual problems with the ADF jamming frequently before the hinge broke to the point where the ADF didn't work at all.
I obtained the replacement ADF left hinge assembly by searching online for a parts dealer. I believe I ended up ordering the part from Precision Roller.
I hope this helps,