PRINT CONTROL APPARATUS INDICATING APPROPRIATE PAPER CASSETTE FOR PRINTING AND METHOD OF SAME

A printer and method for enabling a user to select a paper cassette containing paper available for an appropriate finishing process when the user is to select another paper cassette to continue printing, after the print process has been interrupted due to an empty paper cassette. The printer or method uses a table containing information about the types of paper mounted in respective paper cassettes and a table containing information about relationships between the paper types and the finishing processes executable on the respective types of paper. If no appropriate paper is detected in the current paper cassette, it is determined which paper cassette contains papers available for the specified paper finishing process, and then the appropriate paper cassette information is displayed.