Canon MB5450 Series Online Manual page 434

*2 Feeding from a loaded stack of paper may leave marks on the printed side or prevent efficient feeding.
In this case, load one sheet at a time.
*3 Normal feeding at maximum capacity may not be possible with some types of paper, or under very high
or low temperature or humidity. In this case, load half the amount of paper or less.
*4 For best results in continuous printing, remove printed paper or envelopes from the paper output tray to
avoid smearing or discoloration.
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