| 摘要 |
<p>PURPOSE: To reduce a cost and decrease power consumption, by supplying air from a blower, provided in a part where an air passage joins, to an air jet means selected from a plurality of the air jet means. CONSTITUTION: A plurality of vacuum means 43, 44a to 44c and a flow path 38 in the downstream of them air jointed together, and this joined flow path 38 branches to connect an air jet duct 36 as an air passage to a plurality of air jet means 30, 31a to 31c. A blower 40 is provided in a part where this air jet duct 36 joins. Air from this blower 40 is supplied to an air jet means selected from a plurality of the air jet means 30, 31a to 31c. Causing a double feed of paper and its jam can be prevented, and power consumption can be decreased, to enable a cost to reduce.</p> |
