# US 2017/0283204 A1 · Image forming system > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2017/0283204 A1 - Document ID: US20170283204A1 - Status: Published application - Kind: A1 - Application number: 15/217,289 - Filed: 2016-07-22 - Published: 2017-10-05 - Earliest claimed: 2016-03-29 - Assignees: Fuji Xerox Co., Ltd. - Applicants: Fuji Xerox Co., Ltd. - Inventors: Hiroaki AWANO; Yoshinori NAKANO; Takuya MAKITA; Kojiro TSUTSUMI; Katsumi HARADA; Yasuhiro KUSUMOTO; Hiroshi HAGIWARA; Emiko SHIRAISHI; Junichi HIROTA - Web page: https://patentgrep.com/patent/US20170283204A1 ## CPC - B65H 37/04: for securing together articles or webs, e.g. by adhesive, stitching or stapling (adhering replacement to expiring web during change of web roll B65H19/18) - B31F 5/02: by crimping or slotting {or perforating} - B65H 2801/24: Post -processing devices - B65H 2801/48: Bookbinding - B65H: HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES - B31F: MECHANICAL WORKING OR DEFORMATION OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER (making layered products not composed wholly of paper or cardboard B32B) ## Abstract There is provided an image forming system including an apparatus body including an image forming unit configured to form an image on a sheet, a first sheet processing device mounted on the apparatus body, and configured to perform a first binding processing on plural sheets each of which is formed with an image by the image forming unit, and a second sheet processing device mounted on the apparatus body at a position different from that of the first sheet processing device, and configured to perform a second binding processing different from the first binding processing on the plural sheets, each of which is formed with an image by the image forming unit. ## Claims ### Claim 1 An image forming system comprising: an apparatus body including an image forming unit configured to form an image on a sheet; a first sheet processing device mounted on the apparatus body, and configured to perform a first binding processing on plural sheets each of which is formed with an image by the image forming unit; and a second sheet processing device mounted on the apparatus body at a position different from that of the first sheet processing device, and configured to perform a second binding processing different from the first binding processing on the plural sheets, each of which is formed with an image by the image forming unit. ### Claim 2 (depends on 1) The image forming system according to claim 1, wherein the first sheet processing device and the second sheet processing device are individually detachable from the apparatus body. ### Claim 3 (depends on 1) The image forming system according to claim 1, wherein the first sheet processing device is mounted on the apparatus body such that the first sheet processing device performs the first binding processing in which a bonding strength between the sheets is smaller than that in the second binding processing, and at least a stacking unit in which the sheets after being subjected to the first binding processing are stacked is installed outside an installation range in which the apparatus body is installed. ### Claim 4 (depends on 2) The image forming system according to claim 2, wherein the first sheet processing device is mounted on the apparatus body such that the first sheet processing device performs the first binding processing in which a bonding strength between the sheets is smaller than that in the second binding processing, and at least a stacking unit in which the sheets after being subjected to the first binding processing are stacked is installed outside an installation range in which the apparatus body is installed. ### Claim 5 (depends on 1) The image forming system according to claim 1, wherein the first sheet processing device is mounted on the apparatus body such that the first sheet processing device performs the first binding processing in which a bonding strength between the sheets is smaller than that in the second binding processing and at least a stacking unit in which the sheets after being subjected to the first binding processing are stacked is positioned vertically above another stacking unit in which the sheets after being subjected to the second binding processing in the second sheet processing device are stacked. ### Claim 6 (depends on 2) The image forming system according to claim 2, wherein the first sheet processing device is mounted on the apparatus body such that the first sheet processing device performs the first binding processing in which a bonding strength between the sheets is smaller than that in the second binding processing and at least a stacking unit in which the sheets after being subjected to the first binding processing are stacked is positioned vertically above another stacking unit in which the sheets after being subjected to the second binding processing in the second sheet processing device are stacked. ### Claim 7 (depends on 1) The image forming system according to claim 1, wherein the second sheet processing device is configured to perform the second binding processing in which a bonding strength between the sheets is larger than that in the first binding processing, and a sheet transport path from the image forming unit to the second sheet processing device is shorter than another sheet transport path from the image forming unit to the first sheet processing device. ### Claim 8 (depends on 2) The image forming system according to claim 2, wherein the second sheet processing device is configured to perform the second binding processing in which a bonding strength between the sheets is larger than that in the first binding processing, and a sheet transport path from the image forming unit to the second sheet processing device is shorter than another sheet transport path from the image forming unit to the first sheet processing device. ### Claim 9 (depends on 1) The image forming system according to claim 1, further comprising: a selection unit configured to select the second binding processing by the second sheet processing device or the first binding processing by the first sheet processing device, wherein the second sheet processing device is configured to perform the second binding processing in which a bonding strength between the sheets is larger than that in the first binding processing, and the selection unit is configured to select the second binding processing in a case where a number of sheets to be subjected to a binding processing is equal to or larger than a predetermined reference number. ### Claim 10 (depends on 2) The image forming system according to claim 2, further comprising: a selection unit configured to select the second binding processing by the second sheet processing device or the first binding processing by the first sheet processing device, wherein the second sheet processing device is configured to perform the second binding processing in which a bonding strength between the sheets is larger than that in the first binding processing, and the selection unit is configured to select the second binding processing in a case where a number of sheets to be subjected to a binding processing is equal to or larger than a predetermined reference number. ### Claim 11 (depends on 1) The image forming system according to claim 1, wherein the first sheet processing device is configured to perform the first binding processing on the plural sheets stacked in a state where image forming surfaces, on each of which the image is formed by the image forming unit, are directed upward, by forming concave and convex portions over an overlapping direction of the sheets, and the second sheet processing device is configured to perform the second binding processing on the plural sheets stacked in a state where the image forming surfaces are directed downward, by causing a staple needle to penetrate the sheets from an image forming surface side. ### Claim 12 (depends on 2) The image forming system according to claim 2, wherein the first sheet processing device is configured to perform the first binding processing on the plural sheets stacked in a state where image forming surfaces, on each of which the image is formed by the image forming unit, are directed upward, by forming concave and convex portions over an overlapping direction of the sheets, and the second sheet processing device is configured to perform the second binding processing on the plural sheets stacked in a state where the image forming surfaces are directed downward, by causing a staple needle to penetrate the sheets from an image forming surface side. ### Claim 13 (depends on 3) The image forming system according to claim 3, wherein the first sheet processing device is configured to perform the first binding processing on the plural sheets stacked in a state where image forming surfaces, on each of which the image is formed by the image forming unit, are directed upward, by forming concave and convex portions over an overlapping direction of the sheets, and the second sheet processing device is configured to perform the second binding processing on the plural sheets stacked in a state where the image forming surfaces are directed downward, by causing a staple needle to penetrate the sheets from an image forming surface side. ### Claim 14 (depends on 4) The image forming system according to claim 4, wherein the first sheet processing device is configured to perform the first binding processing on the plural sheets stacked in a state where image forming surfaces, on each of which the image is formed by the image forming unit, are directed upward, by forming concave and convex portions over an overlapping direction of the sheets, and the second sheet processing device is configured to perform the second binding processing on the plural sheets stacked in a state where the image forming surfaces are directed downward, by causing a staple needle to penetrate the sheets from an image forming surface side. ### Claim 15 (depends on 5) The image forming system according to claim 5, wherein the first sheet processing device is configured to perform the first binding processing on the plural sheets stacked in a state where image forming surfaces, on each of which the image is formed by the image forming unit, are directed upward, by forming concave and convex portions over an overlapping direction of the sheets, and the second sheet processing device is configured to perform the second binding processing on the plural sheets stacked in a state where the image forming surfaces are directed downward, by causing a staple needle to penetrate the sheets from an image forming surface side. ### Claim 16 (depends on 6) The image forming system according to claim 6, wherein the first sheet processing device is configured to perform the first binding processing on the plural sheets stacked in a state where image forming surfaces, on each of which the image is formed by the image forming unit, are directed upward, by forming concave and convex portions over an overlapping direction of the sheets, and the second sheet processing device is configured to perform the second binding processing on the plural sheets stacked in a state where the image forming surfaces are directed downward, by causing a staple needle to penetrate the sheets from an image forming surface side. ### Claim 17 (depends on 7) The image forming system according to claim 7, wherein the first sheet processing device is configured to perform the first binding processing on the plural sheets stacked in a state where image forming surfaces, on each of which the image is formed by the image forming unit, are directed upward, by forming concave and convex portions over an overlapping direction of the sheets, and the second sheet processing device is configured to perform the second binding processing on the plural sheets stacked in a state where the image forming surfaces are directed downward, by causing a staple needle to penetrate the sheets from an image forming surface side. ### Claim 18 (depends on 8) The image forming system according to claim 8, wherein the first sheet processing device is configured to perform the first binding processing on the plural sheets stacked in a state where image forming surfaces, on each of which the image is formed by the image forming unit, are directed upward, by forming concave and convex portions over an overlapping direction of the sheets, and the second sheet processing device is configured to perform the second binding processing on the plural sheets stacked in a state where the image forming surfaces are directed downward, by causing a staple needle to penetrate the sheets from an image forming surface side. ### Claim 19 (depends on 9) The image forming system according to claim 9, wherein the first sheet processing device is configured to perform the first binding processing on the plural sheets stacked in a state where image forming surfaces, on each of which the image is formed by the image forming unit, are directed upward, by forming concave and convex portions over an overlapping direction of the sheets, and the second sheet processing device is configured to perform the second binding processing on the plural sheets stacked in a state where the image forming surfaces are directed downward, by causing a staple needle to penetrate the sheets from an image forming surface side. ### Claim 20 (depends on 10) The image forming system according to claim 10, wherein the first sheet processing device is configured to perform the first binding processing on the plural sheets stacked in a state where image forming surfaces, on each of which the image is formed by the image forming unit, are directed upward, by forming concave and convex portions over an overlapping direction of the sheets, and the second sheet processing device is configured to perform the second binding processing on the plural sheets stacked in a state where the image forming surfaces are directed downward, by causing a staple needle to penetrate the sheets from an image forming surface side.