| 摘要 |
A mailing machine is disclosed which includes an apparatus for scanning the surface contour of mail pieces as they move along a feed path prior to being engaged by the printing device of a postage meter to determine whether the surface contour of the mail piece in the area where printing is to take place is suitable for printing and for actuating an instrumentality intended to prevent printing of the postage indicia in that area if the printing surface is not suitable for receiving a good quality print. There is an electro-optical information generating means which is operated by a scanning means, and a controller means receives and interprets information from the electro-optical means to determine whether the information exceeds threshold limits for the information stored in a memory in the controller means, in which case the controller means produces an output signal to an actuator which initiates appropriate action intended to prevent printing of the postage indicia on the mail piece in the area where the surface is not acceptable for printing.
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