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8699896 Failure predictor, fixing device, image forming apparatus, and failure prediction system  
A failure predictor for predicting failure of a fixing device including a first characteristics value extractor to extract a first characteristics value representing a time interval between each...
8682191 Image forming apparatus with controllable fixing pressure and computer-readable medium stored with image forming program  
There is provided an image forming apparatus including: a forming section that, based on image forming data including image data of an image to be formed on paper and paper data relating to the...
8676077 Optical fixing apparatus, image forming apparatus, and optical fixing method  
An optical fixing apparatus includes a transport unit that transports a recording medium in a first direction in a first fixing process and a second fixing process subsequent thereto and transports...
8676068 Image forming apparatus and fixing unit control method thereof  
An image forming apparatus including: an image forming unit which forms an image; a fixing unit which fixes the image transferred to a printing medium; a power supply which supplies operation power...
8666268 Fixing device, image forming apparatus and heat generating rotational body  
The present invention provides a fixing device that can interrupt power supply to the resistive heat layer more reliably than the conventional technology, for example, at occurrence of abnormality....
8660445 Fuser unit  
A fuser unit includes: a cylindrical member; a heat generator; a nip member; a backup member, which configures a nip part between the cylindrical member and the backup member with the cylindrical...
8660444 Image forming apparatus with operation stopping control upon temperature sensing in fixing device  
An image forming apparatus includes a heat source, a thermal fixing member, a temperature sensing unit, a temperature change determining unit and a halting unit. The heat source generates heat. The...
8659809 Image forming apparatus provided with a color misregistration correction processing unit  
An image forming apparatus having a temperature detection unit that detects a current interior temperature based on a detection signal from a temperature sensor. A temperature change detection unit...
8655204 Induction heating device, induction heating fixing device, and image forming apparatus  
An induction heating device includes a resonance circuit including an exciting coil and a resonance capacitor; a switching unit that turns on and off a high-frequency current flowing through the...
8639131 Belt drive apparatus and image forming apparatus  
A belt drive apparatus, including, an endless belt to be laid across in a tensioned condition between supporting rollers and to travel being in pressure contact with or being separated from a body...
8626007 Heating device having high degree of freedom in design, and image forming apparatus  
A heating device and an image forming apparatus which make it possible to improve the degree of freedom in design to enhance the accuracy of detecting the state of a to-be-heated member, and easily...
8626006 Heat-responsive switch, fixing device, and image forming apparatus  
A heat-responsive switch includes a case member, a deformation member deformed from a shape concave to an inside of the case member to a convex shape in response to a temperature variation, a first...
8615175 Fixing unit and image forming apparatus including same  
A fixing unit removably installable in an image forming apparatus includes an endless fixing member; a metal member disposed in proximity to an inner surface of the fixing member; a nip formation...
8610315 Circuit and heating apparatus that completely cuts power to a supply circuit due to blowout of a fuse on a single supply line  
This invention allows completely cutting power supply to a circuit that has become dysfunctional because of blowout of a fuse. To accomplish this, a circuit includes a fuse connected to one supply...
8600285 Image forming apparatus  
An image forming apparatus includes an image forming unit configured to form an image on a sheet, a fixing unit configured to fix the image formed by the image forming unit on the sheet, a cooling...
8600253 Image forming apparatus, method of controlling fixing device, and device and method for detecting abnormality of the fixing device  
An image forming apparatus which is capable of detecting occurrence of an abnormality that a fixing member which is actually in an unpressurized state is detected to be in a pressurized state, and...
8594523 Image forming apparatus with a temperature sensor disposed apart from a heating member  
In an image forming apparatus, a temperature of a heating member heated by a heat source to fix a developer image on a recording sheet is detected by a temperature sensor disposed apart from the...
8588629 Thermally-actuated switch, fixing device, and image forming apparatus  
A thermally-actuated switch includes a movable member that is provided between a second electrode and a displacement member so as to be movable in a first direction, is pushed at one end by the...
8588628 Fixing device and image forming apparatus  
A fixing device includes a fixing member, an induction heating unit, a pressing member, and a damage detection unit. The fixing member heats a toner image on a recording medium to fix the toner...
8577241 Image forming apparatus and control method thereof that separate roller bodies after a predetermined time elapses after being in a power save mode  
An image forming apparatus which is capable of reducing the number of times a second member is separated from a first member upon entry into power-save mode, thereby minimizing failures of a...
8577232 ***WITHDRAWN PATENT AS PER THE LATEST USPTO WITHDRAWN LIST***
Thermal fixing device and image forming apparatus including same which detects the speed of a belt on the outer surface of a fixing member
 
A thermal fixing device includes a fixing member, a flexible endless belt, a flexible endless belt, a rotary pressure member, a heating unit, and a rotation detector. The flexible endless belt is...
8526836 Fixing device, image forming apparatus, and temperature control method for fixing device  
First, a first temperature difference and a second temperature difference are calculated. The first temperature difference is a difference between (a) a first detected temperature that is a current...
8521048 Printing apparatus, printing apparatus control method, and storage medium  
An image forming apparatus having an image forming unit and a fixing unit. The image forming unit may form an image on a sheet based on image data by using a recording agent. The fixing unit may...
8515297 Serial communication apparatus and image forming apparatus including the same  
An image forming apparatus including a fixing device using an induction heating method determines a driving frequency for a switching element configured to drive an induction coil, according to a...
8502123 Apparatus and method to protect half or full bridge circuit including first switching unit and second switching unit in image forming apparatus performing induction heating  
An apparatus to protect a half or full bridge circuit including a first switching unit and a second switching unit in an image forming apparatus performing induction heating, the apparatus...
8503894 Fixing apparatus, printing apparatus, and computer readable medium storing a program for detecting twine  
The present invention provides a fixing apparatus including: a pair of rotating bodies that transports a recording medium on which an image is formed by using an image forming material, by...
8494389 Fixing apparatus comprising circuit for suppressing heat generation according to rotation detection signal  
A fixing apparatus that conveys a printing medium to a fixing nip portion formed by rotating members, and fixes an image onto the printing medium by heat from heating elements. The fixing apparatus...
8494381 Heating unit and its malfunction determining method, image fixing device, and image forming apparatus  
Disclosed are a heating unit and its malfunction determining method, an image fixing device including the heating unit, and an image forming apparatus including the image fixing device. The method...
8488981 Fixing device and image forming apparatus using the same  
A fixing device includes a fixing member, a pressure member, and a damage detecting unit. The fixing member includes a heat-insulating elastic layer, to which a conductive thin-film layer is...
8457505 Image forming apparatus with heater control and error detection, and control method for the same  
An image forming apparatus according to the present invention includes: a fixing part having a heater; a control part controlling ON/OFF of power distribution to the heater; a power source part...
8451466 Image forming apparatus  
A disclosed image forming apparatus includes an image transferring unit configured to transfer an image to a recording medium; a fusing unit provided downstream of the image transferring unit and...
8452219 Electrophotographic printer  
An electrophotographic printer is configured such that an infrared heater is installed at a position between a plurality of electrophotographic print units installed in of the flow direction of a...
8422902 Image forming apparatus that uses fixing member temperature or thickness of recording medium to detect when to halt the rotation drive of a fixing member drive unit  
An image forming apparatus forming an image by fixing a developer on a recording medium with heat includes a fixing member, a pressure member, a drive unit, a heat unit, a temperature detection...
8417137 Fixing device and image forming apparatus employing the fixing device  
A fixing device includes a rotary fixing member, a counter member to contact the rotary fixing member, a first heater to heat the rotary fixing member, a driving unit to rotate the rotary fixing...
8391761 Fixing device and image forming apparatus including fixing device  
A fixing device of belt fixing type is provided. A heat generating member that is a heat generating source for heating a fixing belt has a heat generating layer composed of a resistance heat...
8385756 Failure diagnosis device, failure diagnosis method, image forming device, and recording medium  
A first feature quantity computing unit that computes a first feature quantity representing an average of a plurality of driving loads recorded by a driving load of a fixing section recording unit...
8385755 Fixing device having a unit to prevent overheating  
A fixing device and an image forming apparatus having the same, and a method of operating the fixing device, the fixing device being provided with a power interruption unit to prevent overheating...
8369719 Image forming apparatus, fusing device thereof and method of controlling fusing device  
An image forming apparatus that is capable of preventing a damage to a fusing belt or hazardous conditions due to the overheating of the fusing belt and a fusing device thereof are disclosed. The...
8364048 Fixing device and image forming apparatus including same  
A fixing device including a fixing member; a heat source to heat the fixing member; a power supply to supply power to the heat source; a thermostat provided in the middle of a circuit connecting...
8364049 Fixing apparatus and image forming apparatus  
A fixing apparatus which heat-fixes a toner image transferred onto a sheet, including: a heating device configured to generate eddy currents in a conductive heating element using a magnetic core...
8355641 Paper wrinkle sign monitoring device, paper wrinkle sign monitoring method, and computer readable medium  
A paper wrinkle sign monitoring device includes: at least one timing detecting unit that is set on a transport path of a printing medium, and that detects transport timing of the printing medium;...
8351804 Fixing apparatus  
A fixing apparatus capable of performing, even by a short brake, brake assist by which a sheet is stopped at a position where the sheet is visible. Upon occurrence of a wrap jam, brake control for...
8346112 Cooling member included fixing device and image forming apparatus  
A fixing device includes a heating member that heats an unfixed toner image on a printing medium, a conveyance device that conveys the printing medium launched from the heating member after the...
8346106 Fixing device and image forming apparatus using same having a second heater outside the recording medium passing area  
A fixing device includes a fixing member including a recording medium passing area inside thereof through which the recording medium passes, a first heater disposed in the fixing member to heat the...
8331838 Image forming apparatus with one-sided alignment detection  
An image forming apparatus is provided. The image forming apparatus includes a fixing unit to thermally fix an image transferred onto a sheet, a discharge unit to discharge the sheet carried from...
8315530 Fixing device and image forming device  
A fixing device includes a heating roller that is internally provided with a heat source member and is rotated by a drive unit; an endless fixing belt that is entrained around the heating roller...
8311424 Fixing device usable with an image forming apparatus  
An image forming apparatus includes a fixing roller to fix a toner on a recording medium; a heater to heat the fixing roller; an alternating current (AC) power source to generate an AC electric...
8311425 Fixing unit controlling apparatus and image forming apparatus including the same  
A fixing unit controlling apparatus that includes a switching unit of a power supplier to supply power to a fixing unit according to a power supply controlling signal to control a temperature of...
8306441 Printing system and method for handling unfixed pages in such a printing system  
A recording medium is moved to a transfer printing station and print images are transfer-printed. The recording medium is transported to a fixing station. A print stop is initiated whereby the...
8301051 Fixing device, image forming apparatus, and method of controlling fixing device  
In a fixing apparatus, an internal temperature detection device is arranged within a heat generation region and detects temperature of a fixing device. An external temperature detection device is...
Matches 1 - 50 out of 269 1 2 3 4 5 6 >