Question about Panasonic Workio DP-2500E Copier

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Panasonic DP 2500 J81-J82 paper jam

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.

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  • laserp Mar 05, 2008

    Thanks, I will check out those areas. The duplexer has been on the unit for several years now and it has worked. I was called because it was jamming in the fuser and making a grinding noise. This was caused by the upper fuser roller bushing being fragmented into peices. I rebuilt the fuser and I have taken the dual path guide out and checked it over. The paper does reverse and is on it's way back down the duplex paper path in the door.

  • laserp Mar 06, 2008

    The paper is not catching on anything and most times completely out of the dual paper path. Typically the jam is coming down and stopped with the upper roller assembly in the door, right in the middle of the page. I wish the paper was catching on something I could see the problem then. The error says that the paper did not reach the sensor in time, sensor 2 for the 81 and sensor 3 for the 82. I am not sure which sensors those are. I assume the sensor 2 is the dual paper path and 3 is in the upper roller assembly in the door. But it is always past the dual paper path assembly sensor. So I am not sure that the upper roller sensor is 2 and the next sensor down is 3.

    I had thought about a wire being broke but when I remove the paper and close the door the jam clears and it will print the same page again before jamming in the same place. I would think that the jam would remain if a wire was broken. Unless the machine resets all sensors when you open and close the door.

  • laserp Mar 06, 2008

    I swapped the upper feed rollers in the door and it fixed the problem. They had said that the problem only started when I rebuilt the fuser. After pointing out what the problem actually was. I told them that I have never seen rollers just completely stop feeding paper instantly and that usually they start having jams that gradually worsen. They then admitted that duplexing hadn't worked at all for a long time. Since this was a new customer. I had no history on this machine.

    The problem they had called me on was the fuser was grinding and jamming everytime, which it was. The bushings were completely gone. I had no way of knowing or testing the duplex option before doing repairs. Unfortunately it seems my biggest problem was the customer not being at all honest.

    Thanks Jxxx for your help



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  • 33 Answers

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.

Posted on Mar 05, 2008

  • 1 more comment 
  • J M Mar 06, 2008

    check sesor cable on top of dual path guide the come out easy when re-installing also check for any pinched wires. while youve got it all out you may want to swap tht sensor as that area gets hot and that sesor is not heat proof and can fail. if that doesnt work check jammed paper for any physical damage to see weather its catching on something. if still not fixed let me know

  • J M Mar 06, 2008

    sounds like a tricky one, i checked the description of the jam codes and was thinking that it may be pointing to the sensors on the door side, in which case check them (if you havent already) and try and follow the cables around the bottom of the door and onto pcb. does it do the same thing on different paper sizes, try pushing on the door a bit as it running...worth a shot

  • J M Mar 06, 2008

    Glad you got it sorted.


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