| 摘要 |
A method and apparatus print multifarious postage information on mailing media in an entirely variable manner so that any one of postage or postal permit information, or return address, and graphics, may be changed on the fly and printed in an appropriate location adjacent the top edge of a piece of mailing media such as an envelope. The method may be practiced at a rate of at least 100 pieces of mailing media per minute, and can be practiced to print media having variable thickness ranging from single thickness sheets or labels to stuffed envelopes. The apparatus is very simple comprising an ink jet printer with at least one ink jet head, a feeder which feeds mailing media pieces one at a time into printing position with the ink jet heads, and an external computer (that may have an optical sensor for sensing the leading edge of the media associated therewith) which controls the ink jet printer and feeder.
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