IMAGE FORMING SYSTEM, IMAGE FORMING APPARATUS, FINISHER AND METHOD OF CONTROLLING IMAGE FORMING SYSTEM

摘要

An image forming system is described which is capable of assembling an output product which consists of sheets having uniform sheet widths by appropriately performing a trimming process even if the output product is made from a plurality of paper types. The image forming system consists of an image forming apparatus configured to form an image on a sheet; a finisher provided with a slit unit for trimming edges of sheets and capable of assembling an output product by joining the trimmed sheets, and a control unit for controlling the image forming apparatus and the finisher. When a book cover (standard paper type sheet) is supplied, the control unit trims the paper edges by a designated trimming width. Conversely, when a book body (non-standard paper type sheet) is supplied, the control unit trims the paper edges by a designated trimming width to which an offset amount is added.

主权项

1. An image forming system comprising:
an image forming apparatus configured to form an image on a sheet; a finisher provided with a slit unit for trimming edges of sheets which are successively supplied from the image forming apparatus, and configured to assemble an output product by joining the trimmed sheets; and a control unit configured to control each of the image forming apparatus and the finisher, wherein the finisher can assemble the output product with sheets of a plurality of paper types including a standard paper type and a non-standard paper type which is different from the standard paper type, the control unit comprising: a paper type notification unit configured to notify which of the standard paper type and non-standard paper type is supplied to the finisher from the image forming apparatus; a finisher control unit configured to control the operation of the slit unit in accordance with the paper type of sheets supplied to the finisher; and an offset amount designation unit configured to designate an offset amount corresponding to the displacement of the sheet width of the non-standard paper type in relation to the sheet width of the standard paper type, wherein when the paper type notification unit notifies that the non-standard paper type is supplied, the finisher control unit trims the edge of a sheet on the basis of the offset amount designated by the offset amount designation unit.