Printing system, printing method and printing apparatus

A printing method using an image reading apparatus and a printing apparatus which is network-connected or locally connected to the image reading apparatus, and which stores print jobs sent from the image reading apparatus or other apparatus in a queue, and implements printing processing sequentially from a print job existing at the head of the queue, the method comprising:

• issuing, by a print job cancel request unit of the image reading apparatus, a cancel request for a print job to the printing apparatus;
• receiving, by a cancel request reception unit of the printing apparatus, the cancel request sent by the print job cancel request unit of the image reading apparatus;
• identifying, by the cancel requester identifying unit of the printing apparatus, a cancel requester from the cancel request received by the cancel request reception unit;
• specifying, by a print job specifying unit of the printing apparatus, as a canceled print job, the print job which has been first searched out by searching for the print job from the cancel requester identified by the cancel requester identifying unit in the direction from the tail of the queue to the head thereof;
• and
• deleting the canceled print job specified by the print job specifying unit from the queue.

A printing apparatus which is network-connected or locally connected to an image reading apparatus, and which stores print jobs sent from the image reading apparatus or other apparatus in a queue, and implements printing processing sequentially from a print job existing at a head of the queue, comprising:

• a cancel request reception unit that receives a cancel request sent by a print job cancel request unit in the image reading apparatus;
• a cancel requester identifying unit that identifies a cancel requester from the cancel request received by the cancel request reception unit;
• a print job specifying unit that specifies, as a canceled print job, the print job which has been first searched out by searching for the print job from the cancel requester identified by the cancel requester identifying unit in a direction from a tail of the queue to the head thereof;
• and
• a print job cancel unit that deletes the canceled print job specified by the print job specifying unit.