Canon imageCLASS MF4690 Operation Manual page 62

Do not place the document on the platen glass or in the ADF until the glue, ink or
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correction fluid on the document is completely dry.
To prevent document jams in the ADF, do not use any of the following:
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– Wrinkled or creased paper
– Carbon paper or carbon-backed paper
– Curled or rolled paper
– Coated paper
– Torn paper
– Onion skin or thin paper
– Documents with staples or paper clips attached
– Paper printed with a thermal transfer printer
– Transparencies
2-3