摘要 |
Mail processing system, methods, and computer-readable media. A method includes detecting and reading a tray label of a tray being placed on or in the mail processing machine to determine a tray identifier. The tray is a mail item container containing a plurality of mail items to be processed by the mail processing machine in a current mail processing function. The method includes validating the tray identifier for the current mail processing function. The method includes, when the tray identifier is valid for the current mail processing function, activating a valid-tray indicator, and otherwise when the tray identifier is invalid for the current mail processing function, activating an invalid-tray indicator. |