A sheet-like medium temporary storage device includes a storage coiling block, configured to reel up and store sheet-like medium and being a circular roller with a cavity at the center; a thin coiling tape, having one end fixedly connected to an outer surface of the storage coiling block and configured to reel up the sheet-like medium and wind the sheet-like medium around the storage coiling block; a recycling coiling block, configured to reel up and recycle the thin coiling tape, wherein another end of the thin coiling tape is fixed to an outer surface of the recycling coiling block; and a power motor arranged in the cavity and configured to drive the storage coiling block to rotate and control the recycling coiling block to rotate. One end of the cavity is opened, and at least two air disturbance vanes are uniformly arranged at another end of the cavity.

An image forming apparatus, including: an image forming portion; a discharge portion configured to discharge a recording material on which an image is formed by the image forming portion, wherein a delivery conveyance portion having a power source circuit is mountable in a space adjacent to the image forming portion and configured to convey the recording material to a post-processing apparatus; a detection unit configured to detect a temperature; a cooling unit configured to cool the image forming portion; and a control unit configured to control, in a case where the delivery conveyance portion is mounted, rotation and stop of the cooling unit based on the temperature detected by the detection unit in a second state in which start of an operation of forming the image is waited for after a first state in which the image is formed on the recording material by the image forming portion.