# US 2014/0192127 A1 · Image forming apparatus > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2014/0192127 A1 - Document ID: US20140192127A1 - Status: Published application - Kind: A1 - Application number: 14/090,895 - Filed: 2013-11-26 - Published: 2014-07-10 - Earliest claimed: 2013-01-09 - Assignees: Toshiba Tec Kabushiki Kaisha; Kabushiki Kaisha Toshiba - Applicants: Toshiba Tec Kabushiki Kaisha; Kabushiki Kaisha Toshiba - Inventors: Yasuharu ARIMA - Web page: https://patentgrep.com/patent/US20140192127A1 ## CPC - B41J 29/36: for cancelling or correcting errors by overprinting - B41J 2/32: using thermal heads - G03G 15/6588: {characterised by the copy material, e.g. postcards, large copies, multi-layered materials, coloured sheet material} - G03G 21/00: Arrangements not provided for by groups G03G13/00 - G03G19/00, e.g. cleaning, elimination of residual charge - B41J 2202/37: Writing and erasing thermal head - B41M 7/0009: {Obliterating the printed matter; Non-destructive removal of the ink pattern, e.g. for repetitive use of the support} - B41J: TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS - G03G: ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY - B41M: PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING, (correction of typographical errors B41J; processes for applying transfer pictures or the like B44C1/16; fluid media for correction of typographical errors by coating C09D10/00; printing textiles D06P) ## Abstract According to the above-described embodiment, provided is an image forming apparatus that has an image forming function of forming an image on a recording medium and an erasing function of erasing an image formed on a recording medium. The image forming apparatus includes an image forming unit, a delivery unit, and an image erasing unit. The delivery unit delivers information requiring users to supply a recording medium having an image formed thereon by an erasable color material to the apparatus. ## Claims ### Claim 1 An image forming apparatus that has an image forming function of forming an image on a recording medium and an erasing function of erasing an image formed on a recording medium, the image forming apparatus comprising: an image forming unit configured to form an image on a recording medium by an erasable color material and an inerasable color material; a delivery unit configured to deliver information requiring a user to supply the recording medium having an image formed thereon by the erasable color material to the apparatus; and an erasing unit configured to erase the image formed on the recording medium supplied to the apparatus. ### Claim 2 (depends on 1) The image forming apparatus according to claim 1, further comprising: an acquiring unit that acquires authentication information for authenticating users, wherein the delivery unit delivers the information to the users specified by the authentication information. ### Claim 3 (depends on 2) The image forming apparatus according to claim 2, further comprising: a storage unit that stores the authentication information and user information including user mail addresses specified by the authentication information, wherein the delivery unit sends the information by transmitting an e-mail to the mail addresses. ### Claim 4 (depends on 3) The image forming apparatus according to claim 3, wherein the user information includes information in which the image is formed by the erasable color material. ### Claim 5 (depends on 4) The image forming apparatus according to claim 4, wherein the delivery unit delivers the information in which the image is formed by the erasable color material to the users based on the user information. ### Claim 6 (depends on 5) The image forming apparatus according to claim 5, wherein the delivery unit delivers the information to the users with a large quantity of recording mediums having an image formed thereon by the erasable color material based on the user information. ### Claim 7 (depends on 4) The image forming apparatus according to claim 4, wherein the user information includes information in which the recording medium is supplied to the apparatus, and the delivery unit delivers the information to the users that use the erasable color material and supply a small quantity of the recording mediums based on the user information. ### Claim 8 (depends on 7) The image forming apparatus according to claim 7, wherein the delivery unit changes the content of the delivered information for each user based on the user information. ### Claim 9 (depends on 1) The image forming apparatus according to claim 1, further comprising: a cassette that accommodates the recording medium having an image formed thereon by the image forming unit, wherein the delivery unit delivers the information when the quantity of the recording mediums accommodated in the cassette is a predetermined quantity or less. ### Claim 10 (depends on 9) The image forming apparatus according to claim 9, wherein the erasing unit supplies the recording medium from which the image is erased to the cassette.