| 摘要 |
PROBLEM TO BE SOLVED: To provide a powder spray scattering device for scattering a powder quantity in minimum in a suitable quantity in a delivery unit to prevent a printed sheet from being offset, before the printed sheets are sequentially stacked on a sheet stacking plate in the delivery unit of a sheet printer. SOLUTION: The powder spray scattering device for printing scatters the offset preventing powder from the powder spray nozzle on the surface of the printed sheet. The offset preventing powder coming from the powder spray nozzle is sprayed only in a sheet width range of the printed sheet. COPYRIGHT: (C)2003,JPO
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