Canon CanoScan FB1200s Product Manual page 30

• The maximum allowable size for scanning is 216 x 297 millimeters (8.5 x 11.69 inches), up
WARNING
to A4 or Letter size.
• This scanner is equipped with an ultra-sensitive scanning unit. Opening the document
cover during scanning, or improperly closing it, may affect the scanning results. If you are
scanning thick documents, such as books, that prevent the document cover from closing,
cover the document glass with a dark cloth to prevent ambient light from affecting the
scan.
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