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US08363079B2 Printer and printer system 失效
打印机和打印机系统

Printer and printer system
Abstract:
A printer includes a printing unit that prints information upon an element to be printed upon; a projection unit that projects an optical image in a position that is different from a position of the element to be printed upon in which position the printing unit is printing the information; and a control unit that causes the projection unit to project an optical image that represents the information to be printed by the printing unit before printing by the printing unit is started.
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