Patent ID: 7673866

Claim:
A sheet conveying apparatus which is connected with an image forming apparatus and a post-processing apparatus therebetween, and which receives a sheet ejected from the image forming apparatus and conveys the sheet at a conveyance line speed to eject the sheet to the post-processing apparatus, the sheet conveying apparatus comprising: a first receiving section which receives, from the post-processing apparatus, a sheet reception line speed information indicating a line speed for the post-processing apparatus to receive the sheet; a second receiving section which receives, from the image forming apparatus, a sheet ejection line speed information indicating a line speed for the image forming apparatus to eject the sheet and a sheet size information with reference to each sheet to be ejected from the image forming apparatus; a storing section to store the sheet reception line speed information, the sheet ejection line speed information and the sheet size information; a calculating section for calculating timing for the image forming apparatus to eject the sheet with reference to each sheet based on the information stored in the storing section; a transmitting section for transmitting the timing information to the image forming apparatus; a conveyance line speed control section which controls the conveyance line speed at a time of receiving the sheet from the image forming apparatus based on the sheet ejection line speed information, and which controls the conveyance line speed at a time of ejecting the sheet to the post-processing apparatus based on the sheet reception line speed information.