Canon PIXMA TR4720 Online Manual page 92

Failure to observe the following may cause the scanner to malfunction or the platen glass to
break.
Do not place any objects weighing 4.4 lb (2.0 kg) or more on the platen glass.
Do not put any pressure of 4.4 lb (2.0 kg) or more on the platen glass, such as pressing down
the original.
3. 3. Close the document cover gently.
Important
• • After loading the original on the platen, be sure to close the document cover before starting to copy, fax,
or scan.
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