Question about Canon imageRUNNER 400S Copier

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Sir, I am getting black patch on right side of the paper when I take xerox. Please reply

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is these black patch like the toner isnt baked and it peels of the paper?

If yes, you have problem in fixing section, probably fixing rollers bushing.

Also remove the drum unit and check drum for toner leftovers. If the drum is covered with toner after copieing replace drum unit.

Hope that helps!

Posted on Aug 03, 2010


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Can you help us with a copier problem

That sounds like your toner is empty. Sometimes that cartridge runs out or low on ink and just doesn't display.
What is happening is the density sensor is looking for a nice black patch and the patch it is looking for is gray or almost blank and it stays in a constant cycle of trying to make that ink patch dark enough to produce a copy,
I would try a new toner.

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