Sharp MX-3610N User Manual page 170

Depending on the size of the placed original, there may be cases where the same
size of paper as the original is not selected automatically. In this event, change the
paper size manually.
Tap the [Colour Start] or [B/W Start] key to start copying.
When making only one set of copies, you do not need to specify the number of copies.
To make two or more sets of copies:
Tap the copies display key to specify the number of
copies.
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