To improve productivity by shortening downtime of a system when operations of each device comprising a printing system are suspended.

A printing system includes: a printing device 20; a bookbinding device (post-processing device) 30 for performing predetermined post-processing on printed printing paper ejected from the printing device; a priority setting part 28a, in which a priority of removal of a cause of suspension among the devices when operations of each device are suspended due to a predetermined cause is set in advance; and a display control part (informing part) 28b for informing a user to remove the cause of suspension according to the priority set in the priority setting part.