Canon 0080B002 User Manual page 86

4.
Push the roller lock lever towards the back of the scanner to lock the roller unit
in place.
5.
Close the upper unit slowly.
IMPORTANT
Do not force the upper unit to close. Doing so may damage the scanner.
6.
Be sure that the upper unit is completely closed by pushing on both edges with
both hands until you hear a click.
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Appendices