Sign up
Matches 1 - 50 out of 299 1 2 3 4 5 6 >


Match Document Document Title
8896881 Imaging forming system comprised of image forming apparatuses arranged in series, and which prevents an excessive rise in either of an inside temperature or a fixing section temperature of a downstream image forming apparatus  
An image forming system includes a first image forming apparatus and a second image forming apparatus, the first image forming apparatus including: a first image forming section which performs...
8886064 Fixing device, heater control method, and image forming apparatus incorporating same  
A fixing device includes a rotary, endless fuser belt, a heater, a thermometer, and a controller. The fuser belt is subjected to heating, on which the recording medium is conveyed to fuse the toner...
8872076 Heating device capable of accurately determining change in state, and image forming apparatus  
A heating device capable of accurately determining a change in the state of a to-be-heated member, caused in a narrow area. An induction heating coil generates magnetic flux by flow of electric...
8861995 Image forming apparatus and control method for confirming a paper rolling state of a fusing device  
An image forming apparatus and a control method thereof in which occurrence or removal of a paper rolling state in a fusing device is judged based on temperature of the fusing device. The apparatus...
8855506 Image forming apparatus  
An image forming apparatus includes a fixing device. The fixing device includes a rotatable endless fixing member, a nip forming member arranged inside the fixing member, a pressing member in...
8855509 Heating apparatus and voltage detection apparatus  
A voltage detection apparatus is configured to detect a voltage value applied to a first or second current path of a heater. The voltage detection apparatus detects a first period during which the...
8855510 Image forming apparatus and fixing unit control method thereof  
Disclosed are an image forming apparatus and a fixing unit control method thereof, the image forming apparatus including an image forming unit, a fixing unit, a power supply to supply operating...
8843004 Image forming apparatus  
An area calculating unit calculates an image area of a toner image formed on a sheet recording member. A behavior detecting unit detects behavior of the recording member fed out of a conveying nip...
8837958 Fuser including replacement detecting function  
According to one embodiment, a fuser includes a fixing rotating section including a heat generating section, an opposed section configured to form a nip between the opposed section and the fixing...
8824904 Fixing device and image forming apparatus  
A fixing device includes a temperature measuring unit, configured to measure the temperature in regions that extend partially along the outer surface of a heating rotating body, which includes a...
8818254 Image heating apparatus  
An image heating apparatus includes an endless belt having a heat generation layer; a driving rotatable member forming a nip; a pressing pad for pressing the endless belt toward the driving...
8818214 Heating apparatus and image forming apparatus  
The heating apparatus includes a first detection part which detects whether or not the power supplied to the heat generation member is in an overpower state by detecting a positive phase of a half...
8811837 Fixing device and image forming apparatus including same  
A fixing device includes a substantially cylindrical metal member, a heater, an endless, flexible fixing member, a rotary pressing member, a stationary member, a first temperature detector, and a...
8809752 Booster circuit for enhanced induction heating unit, power-supply unit, and image forming apparatus using the same  
A boosting circuit includes a switch element, a first coil, a second coil, and a capacitor. The switch element generates a first alternating current voltage having a first frequency from a direct...
8811838 Fixing device and image forming apparatus incorporating same  
A fixing device includes a protected object disposed opposite an outer circumferential surface of a pressing rotary body and upstream from a fixing nip formed between the pressing rotary body and a...
8805228 Printing apparatus, printing apparatus control method, and storage medium  
An image forming apparatus includes a reading unit, a receiving unit, an image forming unit, a fixing unit, and a control unit. The reading unit generates generated image data indicating the image....
8792794 Fixing device and image forming apparatus having jam detection unit  
A fixing device includes a fixing unit with a nip, two rollers, a guide member, a detection unit and an urging unit. The detection unit is disposed substantially parallel to the guide member...
8787780 Image forming apparatus having a fixing unit comprising a current detection unit  
An apparatus is capable of switching between a mode in which a first resistance heating element and a second resistance heating element are connected in series and a mode in which they are...
8781344 Image forming apparatus, image forming method, and fixing apparatus  
According to one embodiment, an image forming apparatus includes an image forming section configured to form a toner image on a medium, a fixing device including a heating member configured to heat...
8773684 Image forming apparatus and print control method  
An image forming apparatus according to the present disclosure includes: a printing unit configured to perform printing on a recording medium; a multiple-sheet-feed detecting unit configured to...
8768186 Apparatus, system, and method of predicting failure of image forming apparatus  
An apparatus, system, and method of predicting failure of a fixing device of an image forming apparatus are provided. Based on a plurality of sheet transfer time values of the fixing device, a...
8761619 Image forming device and failure control system for the same  
An image forming device includes a plurality of power consumption parts that operate by power supply from a power source. The image forming device includes a failure detection part that detects...
8755733 Fixing device, fixing method, image forming apparatus, and image forming method  
A fixing device in an image forming apparatus includes a conveyance member to convey a recording medium at a fixing nip where an image carried on the recording medium is fixed onto it; a plurality...
8750774 Fixing device and image forming apparatus including the same  
A magnetic core includes a plurality of first core portions arranged to surround a coil in a direction perpendicular to a conveying direction of a recording medium, and a second core portions...
8744289 Image forming apparatus  
The present invention provides a low-cost and safe image forming apparatus that has a first state in which first and second resistance heating bodies of a heater are connected in series, a second...
8744290 Apparatus and method of protecting fuser unit and image forming apparatus including the same  
An apparatus and method of protecting a fuser unit and an image forming apparatus having the same include a fuser drive motor portion to drive the fuser unit, a power detecting portion to detect...
8744291 Image-forming apparatus and method for controlling image-forming apparatus  
An image-forming apparatus includes a power-source part, a fixing device, a power-source switch, a memory part, a fixing motor, and a drive-transmitting part. The power-source part generates and...
8737861 Fixing device and image forming apparatus  
A fixing device includes a fixing rotation body heating and fixing an unfixed image onto a recording medium; a pressing rotation body pressing the recording medium to the fixing rotation body; and...
8737892 Image forming apparatus  
The invention provides an image forming apparatus, having: an apparatus main body; a fixing unit fixing an image onto a recording material at a fixing nip portion, the fixing unit including a...
8729733 Power control apparatus, image forming apparatus, and power control program product  
A reception unit sequentially receives input of voltage values indicating an AC input voltage from an AC power supply. A ROM stores a power control table in which a power control parameter...
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...
Matches 1 - 50 out of 299 1 2 3 4 5 6 >