When making a copy everything works fine. When I duplex the paper runs through the duplex and stops in the paper path in the door. The paper has no signs of catching on anything it seems to just stop. When I open the door to remove the jam the paper is usually stopped with the paper in the top feed roller assembly in the door. I recently rebuilt the fuser.
Check the sensor lever spring and cable on top of dual path guide (on top of fuser unit) also if the door stopper has been broken there is a good chance the door may be slightly deformed in which case a gentle adjustment may be reqd. check on the diverter solenoid there should be NO spring attached to the white guide. that is supposed to be removed when the adu option is fitted.
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There are several thing which may cause unexpected jams in the duplex tray..., 1. first thing to do is eliminate all other possibilities by removing the netCard/Net connection Parralel connection so the machine is Stand Alone. make sure there is paper in the feed cassette 2 ( paper Tray) press the TICK to enter menu scroll down to diagnostic- press TICK scroll down to paper path test - press Tick scroll down to Source and select tray 2 scroll down to Duplex And select YES ( if the duplex option is not visible here then there is a connection/seating problem with the duplex tray) Scroll down to copies and select 10 scroll up to print test page and press tick the machine should now start duplexing 10 pages, if you get the same error ( 1 page enters then jams) it could be a dirty/snapped paper entry sensor,( looks like a little plastic match stick that protrudes into the feed path of the paper) use a can of pressurised air to Blast any dust away from this arm and the surrounding area being careful to follow the Paper sensor Arm back to the sensor and blasting this as well- Duplexer tray are cheaper than an engineer call out, if the fix above fails , your cheapest option may be a replacement Duplexer tray, available from most HP office equipment Stores as well as Belmonte Business Equipment.
This tells me your DUPLEXER is the one causing the jam, Ok like when you open the duplexer do you see the paper in their second does your copier indicae that the duplexer is in stalled ?m print the config page to verify. if it worked ok until this incident then your paper feed tires in your Duplexer is worn and needs to be replaced, do not do this yourself call a Service tech or A dealer to do so, uf your in CT we can help.
Make sure that you don't have too much paper in the tray. There is an overfill idicator on the back of the tray. Push the tray in firmly. Then try to print. If not, reset the printer by pushing "reset" button. If I could be of further assistance, let me know. If this helps or solves the issue, please rate it. Thanks, Joe
first try to eliminate the finisher. turn off main power switch and unplug from the power outlet. Now unplug the finisher cable from the rear of the copier, then slide the finisher out of the way. Check to see if you still are having jamming issues. if not then yes the issue is with the exit of the paper or the finisher. Many possibilities try to narrow it down. Good Luck
The one crinkled at the end on the left door is the problem.
Since it jammed it stops the whole copying process, ( you were most likely doing duplex)
The reasons for the crinkled paper are
1- the fingers or claws at the exit are worn and catch the paper instead of sliding them out.
2- you are copying something that has a black edge and is getting caught on those fingers ( or claws)
3- The rollers at the exit are in bad shape :
anyway check out this link and go to error codes :
That's a registration sensor error. 9 times out of 10, the registration sensor's spring fell out of place and that sensor is not popping back. When you open the right door, you'll see a sensor flag (plastic flag) sitting in the middle of a rubber roller.