Canon imageFORMULA DR-7090C User Manual page 39

Hint
Leave the feeder raised when scanning thick documents like
books, or operate the feeder as shown in the procedure below.
1. Open the feeder.
2. While pressing on the bottom of the feeder a, pull the feeder
down and forward b.
3. Set the thick document or book on the flatbed (platen glass)
and hold the feeder lightly while scanning.
Book or Thick document
4. To return the feeder to its original position, open it all the way
a, then close it carefully and slowly b.
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Chapter 3 Basic Operation