| 摘要 |
A system for designating individual paper holders in printers and copiers that use interchangeable paper holders, paper cassettes, paper trays and the like. The invention provides a paper supply which is capable of automatically changing its identifying indicia dependent upon its position within a group of similar paper supplies. For example, if a paper tray was positioned in the third position within a stack of paper trays, it would automatically adjust its identifying indicia to reflect that it is the "third" paper tray. Using the invented designation system, the paper holders may be automatically designated according to their placement in the printer or copier. The system includes a movable designator, typically a number designator, connected to and viewable on the paper holder. The designator is operable to move between two positions. When the designator is in the first position, the designator is not visible on the paper holder. When the designator is in the second position, the designator is visible on the paper holder.
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