Patent ID: 8794731
Filing Date: 2014-08-05
Classification: B41J

Abstract:
1. An image forming system comprising: an enclosure supply device including an enclosure container for containing sheets of recording media, the enclosure supply device to transport the sheets from the enclosure container; a first image forming unit to form an image on the sheet; an envelope supply device including an envelope container for containing envelopes, the envelope supply device to transport the envelopes from the envelope container; a second image forming unit to form an image on the envelope; an input device to input an insertion job and including an image setter to specify the image formed on the enclosure and the image formed on the envelope for each insertion job; an insertion device to insert into the envelope at least one sheet on which the first image forming unit has formed the image, the insertion device including, a controller to communicably connected to the first image forming unit, the second image forming unit, the input device, and the insertion device, wherein the controller causes the second image forming unit to complete image formation on the envelope and conveyance of the envelope to the insertion position before a last sheet of the multiple sheets inserted into the envelope reaches the temporary storage tray, and wherein, when a quantity of sheets inserted into the envelope in the current insertion job is N, the second image forming unit starts image formation on the envelope when the first image forming unit forms an image on a sheet whose ordinal number is N−1 in the current insertion job.