a sorting apparatus for sheets which are supplied from an office machine such as a printer , comprises a take - up site for receiving the sheet from the printer and a plurality of output sites . the sheet can be deposited into any one of the output sites . a support carries pairs of engaged rollers which define a feed channel for a sheet . the feed channel has an inlet end which is alignable with the take - up site for receiving a sheet from the office machine . the support can be pivoted about a swiveling axis to bring the outlet end of the channel to any one of the output sites . a control mechanism is connected to a stepper motor which engages the support for rotating the support about its swiveling axis .