Abstract: A photographic processing apparatus having a checking function to collating negative films and prints. The photographic processing apparatus includes a trouble detecting device 5j for detecting a trouble of collating disagreement occurring during processing of the negative films 2 and printing paper 3 to affect collation between the negative films 2 and prints 3 in one unit, and a notifying device 180 operable in response to trouble information provided by the trouble detecting device 5j for notifying that finished products transported by a collating transport device 70 have the trouble of collating disagreement.