Copies come out wrinkled; i see a spring hanging loose one the far side of the paper feed area, but cannot figure out where to attach it.
also, copies have black streaks despite cleaning all copying areas and other areas of regular cleaning
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YOur problem is likely worn feed rubber. It is an old machine. Has it ever been serviced?
Did this happen after a paper jam?
Try this: UNPLUG the copier Take out the paper tray. Prepare a dry cloth that is dampened with WD 40. Open the door on the right side of the coper. You should see 1 large, gray or black rubber roller. Gently wipe the roller with the WD 40 cloth, slowly turning the roller. It only turns 1 way, towards the exit direction of the paper from the copier.
Let the WD 40 soak in, about 10 minutes. Put the paper tray back in, plug the copier back in and try to make a copy. If it makes a copy, the feed roller needs replaced, If it doesn't make a copy, check the top sheet of paper in the tray. If you see skid marks, you definitely need a feed roller. No, they are not easy to change.
As long as the roller feeds, go for it. When it starts slipping then you'll have to do something about that feed roller.
Canon PC 921 copier does not offer automatic duplexing. It is possible to copy first side, then take the copy and feed it into the bypass (manual) feeder on the right side of copier with printed side facing down or placing in paper cassette printed side facing upward. Don't forget to change your original for second side.
There are about 4 possibilites. The paper in the drawer could have bent up corners, not laying in there good and flat, Fuser rollers bad or uneven spring pressure, something could be wrapped around registration roller or something in the paper path is catching the paper as it goes through the copier. Please rate this. Thanks
I had the same problem. I found a parts diagram here http://techno-parts.org/canon/220/320_220.php which showed that the springs hold the bar down. On mine, on each side, one of the spring tabs was broken.
I made a metal pin for one side and insert a screw on the other. Be sure and wrap the spring over the nylon bushing.
check where exactly it wrinkle .it is most likely to be from the fuser unite.i.e where the paper comes out .if the fuser rollers is having mark or the paper sepration finger ontop of the roller is bend or loses its springing ability
You may have to fabricate a new anchor for one end of the spring on the side opposite the control panel. There is a wimpy plastic tab that breaks off here, right next to a black Phillips-head screw. Remove this screw and bend a piece of light wire around it, leaving a small hooked end sticking out for the spring to fasten on to. Replace the screw and install the spring. When you install the spring, it must go over the top of the tiny white plastic wheel, in the U-shaped groove.
This is how I repaired my PC430 several years ago and it's still working fine.