When using the feeder on our Canon D1120 at the office, it creates streaks on the copied paper. We have tried cleaning the rollers numerous times, but nothing seems to work. If we just place the paper on the machine, it works fine. Help.

try to disconnect the feeder form the main unit and if still there is check document error then brother it is related to firmware(software)as i have encountered such in 3 machine before also but they were without feeder. so first disconnect the feeder connector from main unit .

Hi Try this method

To "Settings/Registration Table"

You can specify the method for restarting scanning of documents when a paper jam occurs in the feeder.

For information on the optional products required to use this function, see "Optional Products Required for Each Function."

1. Press (Settings/Registration) ? [Function Settings] ? [Common] ? [Scan Settings] ? [Feeder Jam Recovery Method].

1. Select [From 1st Page] or [From Stopped Original] ? press [OK].

Details of each item are shown below.
[From 1st Page]: If a paper jam occurs in the feeder, scanning starts again from the first page of the document. [From Stopped Original]: If a paper jam occurs in the feeder, scanning starts again from the page of the document scanning was interrupted.

first of all try to clean trays picked up rollers and also look for a piece op paper or something else in internal paper path
pifonski

Do you use the Doc. feeder? Try to make a copy off the copy board glass. Is the line there? Now make a copy with the adf. Is the line there? If so, you need to clean the small glass under the doc feeder. It looks like a glass ****, about a 1/2 inch wide. Clean it with windex and that should solve your line problem...

clean the rollers in the paper path

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Does it only happen when you copy through the auto feeder or from the contact glass too? If it's just from the feeder, then the rollers in the feeder are slipping and not feeding the paper straight, and need to be cleaned/replaced. If it happens from the contact glass, then it is most likely the rollers that move the paper through the machine that need cleaning - primarily the registration roller, but really all rollers from the paper tray to the exit should probably be serviced, and/or replaced where necessary.

When you say it won't copy, do you mean that the paper won't move in the feeder or that no copies come out? Do you get any error messages? Try using alcohol on a swab or lint free cloth and clean the feed rollers in the feeder. They sometimes get paper dust on them and they can't pick up the paper. Also make sure that any paper sensors that detect when paper is in the feeder are intact. Occasionally they get stuck or broken. Hope this works.

the document feeder of that unit have its own scanner glass. try opening the document feeder and clean the scanner glass with a lint free cloth that is moist with water and also clean the rollers of the document feeder

Nisha... If you haven't done so already, you need to run a few copies off the glass as opposed to through the feeder to determine "where" your problem is. Do the copies of your originals placed on the glass have the same line/streak defects as the ones made run through the feeder? IF NOT, then you probably have some sort of dirt or contamination on the FAR RIGHT side of the glass (ink, white-out, dirt, etc), and the machine is reading that as part of the image and printing it as a line. When running copies through the feeder, the scanner moves to the far right and parks there. Then the feeder moves the original over the scanner on the right side of the glass (the scanner stays still). So if you find the lines evident when using the feeder, but not there when copying off the glass, you need to clean the glass on the far right. IF YES (lines/streaks through the feeder AND off the glass), then your problem is most likely internal of the machine (bad drum in the L50 cartridge, dirty optical scanner, worn fuser rollers, etc) and I hate to say it, but will probably require a service call to rectify it. Sometimes you can actually take the L50 cartridge out immediately after running a few copies, and while holding it up, manually open the spring-loaded drum shutter on the under-side of the cartridge to expose the drum and visually inspect it to see if the line defects on your copies are evident on the drum itself. If so, you will most likely need to simply replace your cartridge and hopefully save a service call. If you can't really tell if the streaks are on the drum itself, then you're back to probably needing a service call. NOTE: DO NOT TOUCH, WIPE, CLEAN, OR OTHERWISE CONTAMINATE THE DRUM WHILE YOU ARE DOING THIS, and do not leave the unit exposed to light for longer than a minute or so, because if the problem isn't evident/obvious with the drum cartridge, you don't want to risk damaging/contaminating it and thereby causing one. Please let me know if any of this was helpful. Thanks.