| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To delete printing data accumulated in a printing apparatus on a DHCP (Dynamic Host Configuration Protocol) network, without troubling a user, and to prevent shortage of storage capacity in the printing apparatus. <P>SOLUTION: The printing apparatus 1 is connected through a network to a DHCP server apparatus that stores IP address assignment information including an IP address of each DHCP client. The printing apparatus 1 includes: a printing data storage portion 17 that accumulates printing data transmitted from each DHCP client along with the IP address of each DHCP client; and a CPU 11 that determines whether or not each DHCP client is invalid based on IP address lease information stored in the DHCP server and deletes the printing data of the DHCP client which is determined to be invalid from the printing data storage portion 17. <P>COPYRIGHT: (C)2011,JPO&INPIT</p> |
