# US 9,883,077 B2 · Image forming apparatus and method of managing information thereof > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 9,883,077 B2 - Document ID: US9883077B2 - Status: Granted - Kind: B2 - Application number: 13/534,184 - Filed: 2012-06-27 - Published: 2013-02-21 - Granted: 2018-01-30 - Earliest claimed: 2011-08-18 - Assignees: S-Printing Solution Co., Ltd. - Applicants: Chang-min Han; Hyung-ho Lee; Ki-hun Kim; Jin-ah Heo - Inventors: Chang-min Han; Hyung-ho Lee; Ki-hun Kim; Jin-ah Heo - Web page: https://patentgrep.com/patent/US9883077B2 ## CPC - H04N 1/4406: {Restricting access, e.g. according to user identity (mechanisms actuated y cards, PIN or the like in apparatus for dispensing G07F7/08)} - G06F 21/608: {Secure printing} - G06F 3/1222: {Increasing security of the print job} - G06F 3/1273: {Print job history, e.g. logging, accounting, tracking} - G06F 2221/2143: Clearing memory, e.g. to prevent the data from being stolen - H04N: PICTORIAL COMMUNICATION, e.g. TELEVISION - G06F: ELECTRIC DIGITAL DATA PROCESSING (computer systems based on specific computational models G06N) ## Abstract An electronic apparatus includes a job processor to perform a job of the image forming apparatus, a storage unit to store apparatus use information on a user of the image forming apparatus and job performance of the job processor, a determination unit to determine whether the user is changed or not, and a controller to delete the apparatus use information on a previous user if it is determined that the user is changed. ## Claims ### Claim 1 An image forming apparatus comprising: a memory to store data including image forming apparatus data and customer data of a first user; and a user interface unit to receive a second user's request to delete a part of the stored data; and a controller to delete the customer data from the memory in response to the second user's request. ### Claim 2 (depends on 1) The image forming apparatus as claimed in claim 1, wherein the data deleted by the second user's request comprises a username and a user's password. ### Claim 3 (depends on 1) The image forming apparatus as claimed in claim 1, further comprising: a communication interface to connect the image forming apparatus to an external apparatus through network communication. ### Claim 4 (depends on 1) The image forming apparatus as claimed in claim 1, the controller deletes the part of the stored data so as to make the part of the stored data permanently irretrievable from the memory. ### Claim 5 (depends on 1) The image forming apparatus as claimed in claim 1, wherein the receiving the second user's request comprises receiving identification information of the second user. ### Claim 6 (depends on 1) The image forming apparatus as claimed in claim 1, wherein the part of the stored data to be deleted is determined by a second user's selection. ### Claim 7 (depends on 1) The image forming apparatus as claimed in claim 1, wherein the image forming apparatus data comprises data related to at least one of an IP address of the image forming apparatus, an apparatus name of the image forming apparatus and an identification number of the image forming apparatus. ### Claim 8 (depends on 1) The image forming apparatus as claimed in claim 1, wherein the customer data comprises a username and a user's password. ### Claim 9 A method of managing information of an image forming apparatus, the method comprising: storing, in the image forming apparatus, data including image forming apparatus data and customer data of a first user; receiving a second user's request to delete a part of the stored data; and deleting the customer data from the image forming apparatus in response to the second user's request. ### Claim 10 (depends on 9) The method as claimed in claim 9, wherein the image forming apparatus data comprises data related to at least one of an IP address of the image forming apparatus, an apparatus name of the image forming apparatus and an identification number of the image forming apparatus. ### Claim 11 (depends on 9) The method as claimed in claim 9, wherein the part of the stored data to be deleted is determined by a second user's selection. ### Claim 12 (depends on 9) The method as claimed in claim 9, wherein the customer data consists of plurality of data, and the deleting comprises, deleting the plurality of data from the image forming apparatus in response to the second user's request to delete the customer data being received. ### Claim 13 (depends on 9) The method as claimed in claim 9, wherein the data deleted by the second user's request comprises a username and a user's password. ### Claim 14 (depends on 9) The method as claimed in claim 9, wherein the deleting comprises deleting the part of the stored data so as to make the part of the stored data permanently irretrievable from the image forming apparatus. ### Claim 15 (depends on 9) The method as claimed in claim 9, wherein the receiving the second user's request comprises receiving identification information of the second user. ### Claim 16 (depends on 9) The method as claimed in claim 9, wherein the customer data comprises a user name and a user's password. ### Claim 17 A non-transitory computer-readable medium containing computer-readable codes as a program to execute a method of managing information of an image forming apparatus, the method comprising: storing, in the image forming apparatus, data including image forming apparatus data and customer data of a first user; receiving a second user's request to delete a part of the stored data; and deleting the customer from the image forming apparatus in response to the second user's request.