After allowing this copier to warm back up after sleep mode it ALWAYS jams to make the first copy. We have just about worn the doors out opening them to get the jams out.
Where is the paper jamming? Out of the paper tray or under the drum or in the fixing unit? Did you make sure you have the paper tray set up to the correct paper size and orantation for the paper in the paper tray and dose it happen at any other time and where is it jamed up at. Need more info.
The gear that is broken or missing teeth is it the one that is attach to the upper/ heating roller. It's about the size of a half dollar. If that is the gear, you can order it on-line. Just Google copier parts. You may see one site named Presion Rollers, just look on there site uner you make and model and it will have the fusing unit listed and you want the upper fusing drive gear. It is a very common gear to break.... It is made of plastic and it is under alot of heat and presure. Good Luck
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85% of paper jams are caused by worn rollers . The rubber treads in the rollers wears down, making them smooth, so they won't pick up the paper. Sometimes, they are aged, which also gives them a smoother rounded texture, causing jams. The quick fix is to liven up that roller with a mixture of alcohol and soap. Damp a rag with the solution and wipe the rollers clean with it. That's make them more pliable and the paper jams will cease.
Here is the manual, see chapter 11, page 11-7
http://www.vikingdirect.co.uk/speciallinks/gb/vkg/source/MFC7420_7820N.pdf
Click on this link or copy and paste the complete link into your browser. If I could be of further assistance, let me know. If this helps or solves the issue, please rate it and give a testimonial for my response Thanks, Joe
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I believe I may have found the problem. It is jamming between the two rollers so i got a screw driver and took it apart and also removed the drum and the bendix that turns one of the rollers has some teeth missing therefore not turning the rollers as it should. Now i need to find that part. Any suggestions on how to find it???
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