# US 9,434,158 B2 · Inkjet recording device > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 9,434,158 B2 - Document ID: US9434158B2 - Status: Granted - Kind: B2 - Application number: 15/017,032 - Filed: 2016-02-05 - Published: 2016-06-02 - Granted: 2016-09-06 - Earliest claimed: 2013-09-13 - Assignees: FUJIFILM Corporation - Applicants: FUJIFILM Corporation - Inventors: Hiroaki Houjou - Web page: https://patentgrep.com/patent/US9434158B2 ## CPC - B41J 11/00214: {using UV radiation} - B41J 2/04553: {detecting ambient temperature} - B41J 11/0015: {for treating before, during or after printing or for uniform coating or laminating the copy material before or after printing (selective coating B41J2/2114)} - B41J 11/0022: {using convection means, e.g. by using a fan for blowing or sucking air} - B41J: TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS ## Abstract An inkjet recording device includes an image forming section that records an image by applying ink, a heating-drying processing section that dries ink droplets applied to the sheet P, a sensor that is provided on a downstream side of the image forming section in the conveying direction and detects an ambient temperature outside the heating-drying processing section in the device, and a control unit that controls the ambient temperature outside the heating-drying processing section in the device. In the case where the ambient temperature is in a target range, the control unit switches the inkjet recording device to a recording mode in which set temperature of the heating-drying processing section is used as a target value corresponding to the time of recording from a standby mode in which set temperature of the heating-drying processing section is used as a target value corresponding to the time of standby. ## Claims ### Claim 1 An inkjet recording device comprising: a drawing unit that records an image by applying ink droplets to a recording medium; a drying unit that is provided on a downstream side of the drawing unit in a conveying direction and dries the ink droplets applied to the recording medium; a detection unit that is provided on a downstream side of the drawing unit in the conveying direction and detects an ambient temperature outside the drying unit in the device; and a control unit that controls the ambient temperature outside the drying unit in the device and switches the inkjet recording device to a recording mode in which set temperature of the drying unit is used as a target value corresponding to time of recording from a standby mode in which set temperature of the drying unit is used as a target value corresponding to time of standby in the case where the ambient temperature reaches a target range. ### Claim 2 (depends on 1) The inkjet recording device according to claim 1, wherein the detection unit is provided between the drawing unit and the drying unit. ### Claim 3 (depends on 2) The inkjet recording device according to claim 2, wherein the detection unit is provided on a downstream side of the drying unit in a conveying direction. ### Claim 4 (depends on 3) The inkjet recording device according to claim 3, wherein the ambient temperature is detected even during a temperature raising operation performed after the inkjet recording device is switched to the recording mode, and a recording operation is started after the ambient temperature enters a target range. ### Claim 5 (depends on 3) The inkjet recording device according to claim 3, further comprising: a heater for raising the ambient temperature in the recording device. ### Claim 6 (depends on 2) The inkjet recording device according to claim 2, wherein the ambient temperature is detected even during a temperature raising operation performed after the inkjet recording device is switched to the recording mode, and a recording operation is started after the ambient temperature enters a target range. ### Claim 7 (depends on 6) The inkjet recording device according to claim 6, further comprising: a heater for raising the ambient temperature in the recording device. ### Claim 8 (depends on 2) The inkjet recording device according to claim 2, further comprising: a heater for raising the ambient temperature in the recording device. ### Claim 9 (depends on 1) The inkjet recording device according to claim 1, wherein the detection unit is provided on a downstream side of the drying unit in a conveying direction. ### Claim 10 (depends on 9) The inkjet recording device according to claim 9, wherein the ambient temperature is detected even during a temperature raising operation performed after the inkjet recording device is switched to the recording mode, and a recording operation is started after the ambient temperature enters a target range. ### Claim 11 (depends on 10) The inkjet recording device according to claim 10, further comprising: a heater for raising the ambient temperature in the recording device. ### Claim 12 (depends on 9) The inkjet recording device according to claim 9, further comprising: a heater for raising the ambient temperature in the recording device. ### Claim 13 (depends on 1) The inkjet recording device according to claim 1, wherein the ambient temperature is detected even during a temperature raising operation performed after the inkjet recording device is switched to the recording mode, and a recording operation is started after the ambient temperature enters a target range. ### Claim 14 (depends on 13) The inkjet recording device according to claim 13, further comprising: a heater for raising the ambient temperature in the recording device. ### Claim 15 (depends on 1) The inkjet recording device according to claim 1, further comprising: a heater for raising the ambient temperature in the recording device. ### Claim 16 (depends on 1) The inkjet recording device according to claim 1, further comprising: at least one of an air intake unit that takes external air into the device or an exhaust unit that discharges air to the outside from the inside of the device, wherein in a case in which the ambient temperature is not in the target range, the control unit controls at least one of the amount of air taken in by the air intake unit or the amount of air discharged by the exhaust unit. ### Claim 17 (depends on 1) The inkjet recording device according to claim 1, further comprising: a fixing unit that is provided on the downstream side of the drying unit in the conveying direction and performs processing for fixing the image by irradiation of ultraviolet rays, wherein in the case where the ambient temperature is in the target range, the control unit switches the inkjet recording device to a recording mode in which a set intensity of the fixing unit is used as a target value corresponding to the time of recording from a standby mode in which set intensity of the fixing unit is used as a target value corresponding to the time of standby. ### Claim 18 (depends on 17) The inkjet recording device according to claim 17, wherein the detection unit is provided on a downstream side of the fixing unit in the conveying direction. ### Claim 19 (depends on 17) The inkjet recording device according to claim 17, wherein in a case in which the ambient temperature is not in the target range, the control unit controls at least one of the set temperature of the drying unit or the set intensity of the fixing unit. ### Claim 20 (depends on 17) The inkjet recording device according to claim 17, wherein in a case where the last recording medium on which the image has been recorded is conveyed from the drying unit or the fixing unit, the control unit changes the set temperature of the drying unit and the set intensity of the fixing unit to settings that correspond to the time of the standby mode.