The image forming apparatus and an image forming system

The present invention provides an image forming apparatus and an image forming system, which reduces the decrease in throughput, and can reduce power consumption and reduce noise. The image forming system includes an image forming on a recording material an image forming apparatus and a plurality of sheet conveying means for conveying the recording material. A determination unit configured to specify the information according to the specified conveying means which conveys the recording material to the sheet and a plurality of sheets; a storage unit configured to store a plurality of connection order of the sheet conveying apparatus: Further, an image forming apparatus comprising sheet conveying apparatus connection order, or request to determine the operation starting operation end request shall inform to which sheet conveying apparatus. Still further, the image forming apparatus further includes a transmission unit configured to transmit an operation start request or the operation end request to each determined sheet conveying apparatus of.