Single sided printing works great. When ever duplexer is used, first side prints fine but jams when it is sucked back into print second side. Have replaced duplexer unit, dc controller, drivers, have had a tech out for hours working on it to no avail. HELP!!
A user had loaded tray 3 with paper and nudged the slider at the back of the tray past the A4 mark, so the printer does not know what paper size it is getting and stops with the first sheet in the duplexer..
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Hello, This problem is commonly caused by what is known as the (DPA) duplex pendulem assembly. The function of th DPA is to switch the direction of the paper in order to print the duplex side. The DPA sometimes will bind and not work properly which results in the paper jam you have described. See Photo Below.
Pendulum assembly RM1-3748
In order to change this part, the printer needs to be dis-assembled. AN HP Certified Technician would be best to do this repair.
your getting a 383 paper jam, find paper in two different places.
See if it's a duplex related problem. print single sided documents, if that works, try printing two sided documents (it'll be the duplexer) if it only fails while printing duplex.
Also, check the back door. Make sure the back exit tray is closed all the way.
You can also have a paper jam in the duplex unit (open the front door), the duplex unit slides out the front. You can easily remove the duplex unit and run the printer without it.
Managed to solve this myself: I disassembled the printer and noticed there was a paper jammed in the duplex tray. Rolls were all ok, but the paper blocked the use of the duplex pathway. For disassembly help check the HP 1320 service manual, which you can find on the net as a PDF.
HI there sounds like there is a blockage in the duplex area that is not holding any sensors down. Check the duplex area for torn paper, failing this it maybe a sensor problem which will then need a engineer.
Do you use the duplexer a lot? It sounds as if the rollers inside need to be cleaned.
I don't recommend doing this yourself as it involves lifting the printer off of the duplexer, and I don't want to be responsible if you accidentally drop the printer or you or someone gets hurt. But that's how to get to it; the offending rollers should be visible, and may be cleaned with a clean rag moistened with a multi-purpose cleaner. Alcohol is what's recommended, but I shy away from it as it's known to dry the rubber, and all you want to do it clean the built-up dirt and paper duct off of it.
Let me know how it works, if you do it! If you opt not to, call a qualified printer technician.