Canon 3410 - Manual (Page 57)

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19
Close the duplex print transport guide.
Close both sides of the duplex print transport guide firmly.
IMPORTANT
Make sure that the duplex print transport guide is closed completely. If the duplex
print transport guide is not closed completely, this may result in misfeeds or paper
jams.
20
Set the paper cassette in the printer.
Push the paper cassette into the printer firmly until the front side of the paper
cassette is flush with the front surface of the printer.