Question about Canon PIXMA MP780 All-In-One InkJet Printer

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PIXMA MP780: Multiple pages feed together

Have had several years without any problems - now all of a sudden, from the rear paper feeed multiple pages feed through at the same time. First thought that the paper I was using was thinner than previous paper I had, so went back and inserted the older paper - same problem.

Even when the paper is just sitting in the vertical rear paper feed to go through, several pages are slipping down even when the printer is not in use.

Ideas?

Thanks!

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Most paper feeding in printers is done via rubber rollers. These rollers get dirty and over time, the dirt glazes on to the roller. When this happens, the roller loses its grip. If you look at the rollers they will actually look shiny. After a while the rubber will dry rot and it becomes a more frequent problem. Try the following:

(EASY/LIGHT CLEANING) Get some inkjet cleaning paper at you local office supply. This is usually a thick absorbent paper that you spray with a cleaner and "print" with the wet page.

(MEDIUM) If that fails, unplug the printer and try using rubbing alcohol or ammonia to rub the rollers with a terry cloth. Be sure to rotate the rollers and get them all the way around.

(HARDER/BE CAREFUL) For hard glazed dirt, you may want to carefully use an hobby knife to scrape it off the rollers, being carful not to damage the rollers. Follow up with alcohol cleaning described above.

Posted on Mar 05, 2009

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