| 摘要 |
<p>A paper handling apparatus comprising: a plurality of feeder stations (A,B,C,D), for feeding documents to a conveyer, means for collating documents into packs, and means for collating packs into groups of documents, and an inserter module for inserting each group into an envelope (52), further comprising: means for monitoring the cycling and working times of sections of the inserter module, and means for determining at least one of: a first desired gap (101) being the minimum gap between trailing edges of consecutive groups; a second desired gap (102) being the minimum gap between the trailing edge of one pack and the leading edge of the following pack; a third desired gap (103) being the minimum gap between the trailing edge of one group to the leading edge of the following group; and means for controlling at least one of the feeder stations to achieve at least one of the respective desired gaps.
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