Patent ID: 8564809

Claim:
A printing apparatus process a print job provided from an information processing apparatus, comprising: a printing unit configured to form an image on a recording medium according to print data including image data which represents the image to be formed; a displaying device configured to display information concerning an operation of the printing apparatus; a first storage unit configured to store first user information, which identifies a user who uses the information processing apparatus to provide the print job to the printing apparatus and is protected by a thumbnail registration password, in association with a user-specific thumbnail image, which is to be displayed in the displaying device to identify the print job provided by the user, and to store a security-unspecific thumbnail image without being associated with any user; a processor; and memory operatively coupled to the processor and storing computer readable instructions that, when executed by the processor, cause the printing apparatus to function as: a first judging unit to determine whether the print job provided by the user through the information processing apparatus includes first security information, which is specified by the user to prevent contents of the print data from being disclosed and includes a print password, independent from the thumbnail registration password to be verified by input from the user before the image is formed, and the first user information; and a first display control unit to display the user-specific thumbnail image stored in the first storage unit in the displaying device when the first judging unit determines that the print job provided by the user includes the first security information and the first user information, wherein the first display control unit displays the security-unspecific thumbnail image, which is one of appended to the print data and created based on the contents of the print data when the first judging unit determines that the print job provided by the user does not include at least one of the first security information and the first user information.