Patent ID: 9083833
Filing Date: 2015-07-14
Classification: G06F,H04N

Abstract:
1. A printing apparatus which performs printing on a recording paper sheet, comprising: sheet trays including a standard tray and an optional tray; a receiving section configured to receive a print job including a printing condition that indicates a target tray to be used for feeding the recording paper sheet; a jam information table configured to store a jam occurrence rate for the standard tray and the optional tray; a transport section configured to transport the recording paper sheet from the sheet trays; a printing section configured to print an image according to the print job on the recording paper sheet transported by the transport section; an occurrence rate judging section configured to: determine the target tray that is indicated by the printing condition of the print job; retrieve the jam occurrence rate of the target tray from the jam information table; and judge whether or not the jam occurrence rate of the target tray exceeds a predetermined jam occurrence rate; and a control section configured to: notify that the printing condition of the print job is to be changed, in a case where the printing condition of the print job indicates the standard tray as the target tray and the occurrence rate judging section judges that the jam occurrence rate of the standard tray exceeds the predetermined jam occurrence rate, or in a case where the printing condition of the print job indicates the optional tray as the target tray and the occurrence rate judging section judges that the jam occurrence rate of the optional tray exceeds the predetermined jam occurrence rate; in a case where the printing condition of the print job is changed, control the transport section and the printing section to print the image on the recording paper sheet based on the changed printing condition; and in a case where the printing condition of the print job is not changed, cancel the print job and notify that the print job is canceled.