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| Number | Title | Issue Date |
| 8081894 | Image forming apparatus and method of controlling heating of fixing unit therein When a user has performed an operation with respect to an image forming apparatus, a control mechanism informs that a user has performed an operation with respect to an image forming apparatus to an engine control unit through a dedicated communication line, i.e., w... | 12/20/2011 |
| 8073352 | Image forming apparatus, and method of controlling warming-up time of image forming apparatus An image forming apparatus includes a fixing unit and a fixing process managing system. The fixing process managing system, including a mode switchover unit, controls a time mode and a temperature mode for heating a fixing member. In the time mode, the fixing unit i... | 12/06/2011 |
| 8050584 | Power control method and apparatus to heat a heating roller A power control apparatus includes a heating roller provided to fix a toner image of print data in an image forming apparatus, the heating roller having a heating resistor to receive roller power. A maximum level of a source power supplied from an external source is... | 11/01/2011 |
| 8036560 | Image formation apparatus and image formation method A standby state is where a pair of rotating bodies stops rotating, and temperature control is performed so that a rotating body reaches a standby temperature. A fixing state is where the rotating bodies are rotating and temperature control is performed so that a rot... | 10/11/2011 |
| 8032048 | Image forming apparatus with standby and power saving modes An image forming apparatus, for which a heated roller fixing device is employed but for which a savings in power can still be obtained, is provided. The image forming apparatus includes: a fixing device, which is a heated roller fixing device that requires pre-heati... | 10/04/2011 |
| 8027608 | Fixing device, image forming apparatus equipped therewith, and recording medium on which temperature control program is recorded A fixing device which can reduce an overshoot of the surface temperature of a main heating section without lengthening a warming-up period of time, an image forming apparatus equipped therewith, and a recording medium on which is recorded the temperature control pro... | 09/27/2011 |
| 7978995 | Image forming apparatus for image density adjustment An image forming apparatus having a process correction mode wherein when a temperature of a fixing device in an image formation system in a power-on state is equal to or less than a predetermined value, the image forming apparatus increases the fixing temperature to... | 07/12/2011 |
| 7965956 | Image forming apparatus preventing power supply during initialization and control method thereof An image forming apparatus is provided with: a fusing unit which fuses an image transferred to a printing medium; a power supply which supplies power to the fusing unit; a switching unit which switches the power supplied to the fusing unit; and a controller which co... | 06/21/2011 |
| 7953337 | Image forming device and method of initializing the same An image forming device equipped with a heater for fusing toner on a recording medium. A first memory stores an initialization program and a control program. A second memory is provided for reading the control program. The initialization program stored in the first ... | 05/31/2011 |
| 7894736 | Image forming apparatus including control for main and auxiliary heating members An image forming apparatus which causes a long recording medium carrying a toner image thereon to pass between a fixing roller and a pressure roller to fix the toner image onto the long recording medium by means of the action of heat and pressure. The temperature of... | 02/22/2011 |
| 7865102 | Image fixing apparatus A fixing apparatus includes a control circuit which controls the electrifying to a first heater so that a temperature detected by a first temperature detection portion reaches a first target temperature and controls the electrifying to a second heater so that a temp... | 01/04/2011 |
| 7860419 | Roller temperature control method of image forming apparatus and image forming apparatus In one embodiment, an operation state, standby state or installation environment of an image forming apparatus is detected or determined, and details of heating control of the surface temperature of rollers of a fixing apparatus are changed in accordance with the de... | 12/28/2010 |
| 7856191 | Power regulator of multiple integrated marking engines A printing device is provided comprising multiple marking engines including at least one marking engine and at least another marking engine that during operation place marks on output media. A power supply is further provided that selectively supplies selected level... | 12/21/2010 |
| 7840151 | Heating device, fixing apparatus, and image forming system A heating device includes a heat applying member heated by a heat source, a pressure applying member pressure contacting the heat applying member with a prescribed pressure, and a temperature detection device that detects temperature of the heat applying member. A t... | 11/23/2010 |
| 7822352 | Thermally conditioned image forming apparatus The present invention relates to an article, system and method for thermally conditioning an image forming apparatus. The image forming apparatus may incorporate a heating device and a component that includes a lubricant. The component including the lubricant may be... | 10/26/2010 |
| 7787791 | Method of tracking the virtual location of a sheet of media to improve first copy time The present invention relates to printers and media fixing mechanisms such as fusers and management of fuser performance. An article, device, method, and system are provided in which the time to the fuser nip of a sheet of media may be calculated and may be compared... | 08/31/2010 |
| 7787792 | Heating apparatus and image forming apparatus with fixing treating modes for periods between image fixing The heating apparatus has a heating member and a pressure member which are mutually pressure-welded to hold and convey and heat a heated member to be heated by a nip portion formed between the heating member and the pressure member, includes a temperature detector, ... | 08/31/2010 |
| 7783220 | Roller drive control method of fixing apparatus and fixing apparatus In one embodiment, a predetermined period different from a fixing process period in which fixing of toner to recording paper is carried out is set as a toner removal period, and during the toner removal period a hot roller and a pressure roller are intermittently ro... | 08/24/2010 |
| 7764896 | Method and apparatus for dynamic power management in marking devices A method and apparatus for operating a fuser in a marking device is disclosed. The method may include determining a total power available for warm-up of fuser elements in a fuser, determining power constraints of the fuser elements, selecting a power allocation to b... | 07/27/2010 |
| 7756434 | Image forming apparatus with electric power saving mode An image forming apparatus includes a power switch for turning on and off a power source. An electric power saving mode designation acceptor can accept a designation to set a power saving mode to suppress power consumption. The apparatus further has an image former ... | 07/13/2010 |
| 7706709 | Image forming apparatus An image forming apparatus that includes: a reading unit; an image forming unit that forms an image on a sheet; a fixing unit; a mode selecting unit that selects a first mode from plural modes, in the first mode of which a document is read by the reading unit and th... | 04/27/2010 |
| 7672607 | Fixing device to reduce warm-up time and apparatus using same A fixing device, including a fixing rotary body including a first heat source, a pressing rotary body including a second heat source, and a control device configured to cause, at a time of warm-up of the fixing device, the fixing rotary body to rotate while causing ... | 03/02/2010 |
| 7664418 | Image forming apparatus with fusing roller that is preheated A fusing roller in an image forming apparatus heats and fuses a developed image transferred to a recording medium. A heat generator is controlled to maintain a detected temperature of the fusing roller at a reference fusing temperature until a predetermined time per... | 02/16/2010 |
| 7623805 | Image heating apparatus and image forming apparatus An image heating apparatus comprises an endless belt for heating an image on a recording material. A heating member is provided for heating a part of the endless belt and a contact member is provided for contacting an inner surface of the belt. A stand-by control un... | 11/24/2009 |
| 7620338 | Fixing apparatus having a curie point heater and image forming apparatus A fixing apparatus has a heater that includes a magnetic shunt alloy whose Curie temperature is set higher than a fixing temperature; an induction heater that generates an alternating magnetic field applied to the magnetic shunt alloy and performs electromagnetic-in... | 11/17/2009 |
| 7599637 | Image fixing apparatus A fixing apparatus includes a control circuit which controls the electrifying to a first heater so that a temperature detected by a first temperature detection portion reaches a first target temperature and controls the electrifying to a second heater so that a temp... | 10/06/2009 |
| 7548707 | Image-forming apparatus, control apparatus, control method, and computer-readable medium An image-forming apparatus includes: a receiving unit that receives a request of a user; a fixing unit that heats an unfixed image on a recording medium to thereby fix the same to the recording medium; an executing unit that executes at least one function that consu... | 06/16/2009 |
| 7546052 | Image forming apparatus and method of controlling charging the apparatus to reduce warm up time When a main switch 11 is off, an electricity storage device 93 is charged with electric power of a commercial AC power supply 80 . When the main switch 11 is on and warming-up of a fixing unit 35 is necessary, a halogen heater 5... | 06/09/2009 |
| 7496311 | Fixing device with a magnetic flux generating section and a control section When a fixing roller 1 generates heat by a magnetic flux generating section 3 during a standby time, a control section 5 rotates the fixing roller 1. This prevents the fixing roller 1 from locally generating heat and being damaged.... | 02/24/2009 |
| 7496310 | Image forming apparatus including a fixing roller An image forming apparatus that includes a fixing roller to fix a developer onto a recording medium, a heating unit to heat the fixing roller, a manual feed roller disposed at a position contact with a top end of the recording medium inserted into a manual feed port... | 02/24/2009 |
| 7493059 | Method and apparatus for image forming with an improved warm-up control An image forming apparatus includes an image forming mechanism, a fixing roller, a heater, a sensor, a warm-up mechanism, and a controller. The image forming mechanism forms a toner image on a recording medium according to image data. The fixing roller fixes the ton... | 02/17/2009 |
| 7440708 | Multifunction apparatus A multifunction apparatus according to the present invention transmits an electromagnetic wave signal to a memory card carried by a user who enters a detection area, scans identification information of the user for user authentication, and starts a warm-up operation... | 10/21/2008 |
| 7440707 | Image generating apparatus with temperature and feed interval control for fusing section An image generating apparatus is provided which can maximize the throughput without causing thermal damage of the fusing components. It determines a sub-thermistor temperature threshold value for switching small size paper feed intervals in response to a sub-thermis... | 10/21/2008 |
| 7437091 | Method for controlling temperature of heat roller and image forming apparatus based on the same Disclosed is a method for controlling the temperature of a heat roller and an image forming apparatus based on the same. The image forming apparatus of the present invention includes: a heat roller for heating a printing paper having a toner image formed thereon to ... | 10/14/2008 |
| 7433620 | Image forming apparatus with controlled electric power supply to heating member An image forming apparatus including a fixing device for fixing by heat an image formed on a recording material; a heater for heating the fixing device; a controller for controlling electric power supply to the heater, wherein the apparatus is operable in a stand-by... | 10/07/2008 |
| 7412182 | Image forming apparatus with setting of an operating condition of at least one image heating device An image forming system has an image forming device, a first image heating device for heating a toner image at a first nip to maintain a target temperature, a second image heating device for heating a toner image at a second nip to maintain a target temperature, a s... | 08/12/2008 |
| 7395003 | Fuser temperature control providing faster wake up from cold start by optimizing standby temperature of fuser roller An apparatus is disclosed which is for forming an image using a fuser unit, including: a fuser roller; a heater heating the fuser roller; a temperature sensor detecting a temperature of the fuser roller; and a controller controlling the heater to substantially achie... | 07/01/2008 |
| 7395121 | Service providing system A service providing system includes input/output devices, a service providing device configured to provide services by driving the input/output devices, and a preparation device, in response to receipt of a provision command for a service, configured to selectively ... | 07/01/2008 |
| 7391985 | Image forming apparatus with power saving features The image forming apparatus serves to raise a temperature of fusing section (22) only when an operational item received from operation panel section (3) is determined that an image printing is required. The image forming apparatus includes scanner sect... | 06/24/2008 |
| 7373094 | Fixing unit having a plurality of heaters, image forming apparatus and method of determining temperature detecting position of temperature sensor A fixing unit thermally fixes a toner on a recording medium by a fixing member having a plurality of internal heaters and an outer peripheral surface, and a temperature sensor detects a surface temperature of the fixing member at a temperature detecting position. At... | 05/13/2008 |
