Image forming system

An image forming system comprising:

• an image forming apparatus configured to form an image on a sheet;
• and
• a sheet processing apparatus configured to perform predetermined processing on the sheet received from the image forming apparatus, wherein
• the image forming apparatus includes
• an image forming portion configured to form the image on the sheet,
• a reading portion disposed above the image forming portion and configured to read an original,
• a discharge portion configured to discharge the sheet on which the image is formed by the image forming portion in a discharge direction toward an in-body space formed between the image forming portion and the reading portion, and
• a first drawer connector provided on a wall forming the in-body space, and
• the sheet processing apparatus includes
• a processing unit configured to perform predetermined processing on the sheet received from the discharge portion,
• a second drawer connector fitted to the first drawer connector by inserting the processing unit into the in-body space to electrically connect the image forming apparatus and the processing unit,
• a fixing portion configured to fix the second drawer connector so as not to come off from the first drawer connector in a state in which the first drawer connector and the second drawer connector are fitted to each other, and
• a separation mechanism configured to separate the processing unit from the discharge portion in the discharge direction in a state in which the first drawer connector and the second drawer connector are fitted by the fixing portion.