di 3510 constant duplex jams

[tarzak911]

hi pls help i have this machine replace clutch in duplex and sensors...



still jamming in duplex entrance... what i have noticed is when machine jams then funnyt binbing nosie from transport area is heard then at registration roller double feeding takes places causing machine to jam.


we replced swicthback unit and duplex still the same problem..
pls shed some ideas.

[fixthecopier]

If I understand what you wrote, you said that double feeding from the paper tray caused the jam? If that is what you meant to write, then the problem would be double feeding from the tray. Where does the jam counter say the problem is? Does it work if you feed from a different tray?

[mo0651]

Is it every copy? Are the jam codes for the duplex? Watch the paper feed thru the duplex. Look thru the vented cover. Paper should stop in the same spot all the time. If you hear a grunting squeal in the transport area, Take out tray 2 feed station. The one behind the bypass. On the frame below the clutches there is a gear that looks like an idler gear. It has a bearing in it. Clean that. Has caused jamming and squeaking on some of our machines.