Lexmark C520 Series, Service Manual

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Service Manual
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The media is then routed down through the duplex path until it reaches the bump aligner roll. Once in this
position, it enters the EP path for the second time.
The paper exit flag serves two purposes. When it triggers the paper exit sensor, it serves as a one-way gate for
the media when it is exiting the printer to the output bin and also serves as a one-way gate when the media is
entering back into the printer for a duplex print. In other words, it diverts the print media's path, directing it to
either the output bin or the duplex paper path.
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