To provide a print processor in which even when a normal print process is restarted after temporary interruption of the process due to an immediate order, prints for the portion of the current order divided into a plurality of receiving trays can be easily discriminated from prints by other orders.

The print processor equipped with a print processing unit, a sorting unit, a controller and an input device to input various kinds of information to a controlling means has a process interruption function to preferentially process a certain print while prints in a normal order under the printing process is temporarily stopped according to the input of a print instruction signal by a specified order, and a display controlling function for sorted storage. A display unit comprises lamps disposed correspondingly to the respective receiving trays in the sorting unit, and turns on a lamp corresponding to a specified receiving tray specified by the display controlling function for sorted storage of prints.