An automated in-line mailing (AIM) system of the type comprising sequentially a continuous sheet-web (20), a sheet cutter (10), an accumulator (12), a folder (14), a collector (16) and an envelope inserter raceway (24) is controlled by hyphens, or indicia, (60) on the sheet web (20). A control system includes a scanner (56) for sequentially sensing the web indicia (60) upstream of a cutting blade (30). The scanner is linked to a one-way clutch drive (114) to activate a plurality of opposed mutilated rollers (88, 90) positioned in the accumulator (12). The control system also includes a trailing edge sensor (122) for sensing a trailing edge of an accumulation of sheets as they are discharged from the accumulator (12). The control system senses when a set of sheets has been cut by the cutter (10) and, in response thereto, deenergizes the cutter (10) with a first sheet of a following set extending beyond a cutter blade of the cutter (10) and energizes the accumulator (12) to eject the completed set into the folder (14) to be folded as a unit and deposited with the collector (16). Once the collector has collected a group of sets it is ordered by the control system to dump them on the inserter raceway (24).
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