| 主权项 |
1. A letter producing system comprising:
a printing unit for performing printing on at least one printing paper sheet for enclosure and a printing paper sheet for envelope and outputting the printing paper sheets subjected to printing, wherein the at least one printing paper sheet for enclosure subjected to printing is outputted before the printing paper sheet for envelope subjected to printing is outputted; an inserting and sealing unit for making an envelope from the printing paper sheet for envelope subjected to printing at the printing unit, and inserting and sealing the at least one printing paper sheet for enclosure subjected to printing in the envelope to produce a letter; an enclosure size information obtaining section for obtaining information of size of the printing paper sheet for enclosure; a paper output timing information obtaining section for obtaining information of timing of output of the first printing paper sheet for enclosure from the printing unit based on the information of size of the printing paper sheet for enclosure obtained by the enclosure size information obtaining section; and a paper output control section for controlling timing of output of the first printing paper sheet for enclosure from the printing unit to the inserting and sealing unit based on the information of timing of output obtained by the paper output timing information obtaining section; wherein the inserting and sealing unit comprises an aligning section for receiving and temporarily storing the at least one printing paper sheet for enclosure outputted from the printing unit and aligning the position of the at least one printing paper sheet for enclosure, and the paper output timing information obtaining section obtains, as the information of timing of output, initialization time of the aligning section based on the information of size of the printing paper sheet for enclosure. |
