Matches 1 - 50 out of 203 1 2 3 4 5 >


Match Document Document Title
8185008 Fixing device and image forming apparatus with a temperature detector  
A fixing device includes a heater, first and second pressure-applying members, a belt support member, a fixing belt, a contact member and a temperature detector. The fixing belt is entrained about...
8170436 Apparatuses useful for printing and methods of controlling a temperature of a surface in apparatuses useful for printing  
Apparatuses useful for printing and methods of controlling a temperature of a surface in an apparatus useful for printing are disclosed. An exemplary embodiment of the apparatuses includes a first...
8165482 Image forming apparatus with failure detection and control method therefor  
An image forming apparatus that enables to continue an operation so that electric power consumption does not exceed a power supply capacity even if an electric current sensor breaks down. A...
8165489 Image forming apparatus having cooling fans  
An image forming apparatus includes a first fan and a second fan that are configured to generate air in a main body of the apparatus, a controller configured to control operations of the fans, and...
8155541 Fixing device which detects anomaly of heater  
A fixing device shifts to the anomaly detection mode in arbitrary timing except during printing. In the anomaly detection mode, a first heat generation member and a second heat generation member...
8145086 Image forming apparatus  
An image forming apparatus capable of executing a mode for decelerating a rotation speed of a fixing member and a pressure member between sheets in a continuous print than that during a fixing...
8139963 Image fixing apparatus with safety relay and control thereof  
An image fixing apparatus has an integration circuit which is provided in a signal path from a comparison circuit to a relay drive circuit and integrates a signal input to the integration circuit,...
8139964 Fixing device, control method for a fixing device and image forming apparatus  
Provided is a fixing device including: a heater; a heating body that is heated by the heater and is caused to rotate; a pressure body that is in contact with the heating body, and is caused to...
8135292 Fixing device and image forming apparatus having the same  
A fixing device includes a pressing member, a belt member which rotates in contact with the pressing member and forms a nip with the pressing member, a first roller member and a second roller...
8131169 Apparatus and method for mounting an RF monitoring device onto a fuser roll  
A replaceable unit monitor assembly includes a substrate member, multiple thermal insulating stand-off members, and a monitor device mounted on the substrate member. The stand-off members mount the...
8107867 Image fixing device using a belt-driving method, and image forming apparatus using the same image fixing device  
An image fixing device, having a belt-driving method to drive an endless belt which is entrained about at least two supporting members, including: a first supporting member on which a light...
8095023 Image forming apparatus  
An image forming apparatus having a heating roller and a pressing roller includes a temperature sensing unit provided to be broken when the heating roller is overheated and a pressure releasing...
8086119 Fixing device and image forming device  
A fixing device includes a heating rotating body that is heated by a heater and rotates, a pressurizing rotating body that is in contact with a surface portion of the heating rotating body and...
8068758 Belt conveyance apparatus and image heating apparatus  
The image heating apparatus has a plurality of heat generators which are capable of forming a plurality of heat generating distributions in the longitudinal direction for supplying heat to a...
8068757 Image forming apparatus  
In an image forming apparatus including a fixing portion in which a fixing nip portion is defined between a heater and a pressure roller via an endless belt, a pressure setting portion, which sets...
8068749 Fixing apparatus and image forming apparatus provided with fixing apparatus  
A fixing apparatus according to one embodiment of the present invention includes a rotating hot roller, a rotating pressure roller, a heating belt that contacts the hot roller and conducts heat, a...
8064785 Fixing device, image forming apparatus, and method of detecting an abnormality of a fixing device  
A fixing device according to this invention includes a heating roller, a heater driver, a thermistor, and a CPU. The heating roller has a heater and heats a recording sheet. The heater driver...
8050577 Image forming apparatus and abnormal temperature determination controlling method  
An image forming apparatus and a controlling method thereof. The image forming apparatus includes a fixing member having a heating source to heat a developer of a recording medium, a power supply...
8041237 Fixing apparatus with pressure state detection and control  
In one embodiment, a fixing apparatus is configured of a pressing portion for causing the pressure roller to enter a pressure applied state by applying bias, a switching portion for causing the...
8041236 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...
8036545 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...
8027600 Apparatus for image formation  
An apparatus for image formation comprises a fixing member, a pressing member, a heating member, a sensor, and a controller. The heating member heats at least one of the fixing and pressing members...
8027597 Image forming apparatus  
An image forming apparatus, including: a fixing device having: a first heat generator for generating heat for a fixing processing, the first heat generator using electric power supplied by a...
8027599 Image forming apparatus  
An image forming apparatus includes an overheat prevention device to control a heater based on a fusing temperature detected by a temperature sensor within a predetermined range when a controller...
8027601 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...
8023841 Fixing controller and image forming apparatus  
A fixing controller capable of rapidly detecting an excessive temperature rise, even if an abnormal temperature rise takes place in a state that a rotor of a fixing unit, such as a thin-walled...
8023126 Image forming apparatus with a chargeable capacitor  
An image forming apparatus includes a main power unit that outputs a first DC power and an auxiliary power unit that outputs a second DC power to the components of the image forming apparatus. The...
8014695 Image forming apparatus  
An image forming apparatus for forming an image on a sheet, includes: an image forming section which forms the image on the sheet; a fixing device which fixes the image onto the sheet; a first duct...
8009998 Fixing device  
A fixing device including a heating element and a pressure element, for fixing a developer image transferred onto a recording sheet is provided. The pressure element is configured to be positioned...
8000619 Fixing device usable with an image forming apparatus  
A fixing device usable with an image forming apparatus having a fixing roller to fix a toner on a recording medium, a heater to heat the fixing roller, and an alternating current (AC) power source...
8000618 Image formation device and image formation method  
An image formation device, which can properly execute an image formation process even if at least any one of plural fixing units included in the image formation device cannot be used due to a...
7995936 Optical measurement system and method for determining wear level of printer components  
Optical measurement system and method for determining a wear level of printer components such as fuser rolls. Papers can be treated with optical brighteners, which act as distinct tag/trace...
7986893 Electrophotographic apparatus having belt fuser and corresponding methods  
Disclosed are an electrophotographic apparatus for forming images on sheets, and corresponding methods. The electrophotographic apparatus includes an endless fuser belt for fusing toner particles...
7957661 Control of overheating in an image fixing assembly  
An image fixing assembly includes a heating unit having a heating element and a fusing member enclosing the heating element; a backup member; and a heat conducting member. The fusing member is...
7949280 Image heating apparatus  
An image heating apparatus includes a heating rotary member, which heats an image on a recording material at a nip portion, an air blowing device for blowing air toward an air blowing port to cool...
7907859 Method and apparatus for automatically adjusting nip width based on a scanned nip image on ultraviolet (UV))-sensitive media in an image production device  
A method and apparatus for automatically adjusting nip width based on a scanned nip print image on ultraviolet (UV)-sensitive media in an image production device is disclosed. The method may...
7885557 Thermistor isolation technique for a ceramic fuser heater  
An electrically isolated temperature sensor for use with a printer, copier, or all-in-one fuser. The fuser includes an AC driven heater to which a thermistor is mounted for sensing the temperature...
7881625 Fixing device with non-contact temperature sensor and contact temperature sensor  
A fixing device of the invention detects a temperature of plural positions of a heat roller by a multiple non-contact temperature sensor at the same time and controls the temperature of plural heat...
7873288 System and method for detecting a fire in a fixer unit of a printer or copier  
In a fixer unit system and method to detect a fire in a fixer unit of an electrographic image generation device, at least one portion of a fixer region of the fixing unit is monitored with a...
7860414 Heating apparatus and fixing apparatus  
A heating apparatus includes: an exciting coil provided in close vicinity of a heated body having a conductive layer; a capacitor connected serially or in parallel with the exciting coil; a...
7856187 Image forming apparatus  
An image forming apparatus is provided, which includes: an image forming unit; a fixing unit having a heating part; a rotary drive unit; a driving force transmission unit including a displacement...
7809292 Image forming apparatus, method, and computer program product, detecting temperature of a fixing unit  
A temperature detecting unit detects temperature of a fixing unit, and a control unit monitors temperatures detected by the temperature detecting unit. The control unit determines that the...
7792445 Drive detection device for fixing device  
In a drive detection device for a fixing device according to an embodiment of the present invention, a non-paper passing area of a heat roller is formed by a surface where a metal conductive layer...
7792449 Image forming apparatus having improved protection against over-heating  
In an image forming apparatus which uses a pressing roller and a fixing roller that are pressing and contacting each other to sandwich record medium and fixes toner image onto the record medium, in...
7778557 Fixing apparatus and image forming apparatus  
In a fixing apparatus that has a heating roller, and heats a sheet where an image by a developer has been transferred, to thereby fix the image on the sheet, the following are provided: a first...
7778564 Fixing device and fixing method of image forming apparatus  
In a fixing device of an image forming apparatus of the present invention, inner surfaces of upper and lower frames for respectively supporting a heat roller and a pressure roller are formed as a...
7773893 Image forming apparatus  
A printer is provided that is capable of accurately detecting whether a recording medium is remaining even where a temperature changes rapidly. The printer has a fusing unit rotating to fuse a...
7764895 Image heating apparatus with shutter control based on temperature  
An image heating apparatus including: an image heating member, which heats an image on a recording material in a nip portion; an air blower, which blows air toward an air blowing port to cool a...
7761016 Overheating control and method in an image forming apparatus  
An image forming apparatus to prevent overheating of a fuser. In the image forming apparatus, a first overheating prevention unit compares the voltage detected by a temperature sensor, which senses...
7742711 Fixing device usable with an image forming apparatus  
A fixing device usable with an image forming apparatus having a fixing roller to fix a toner on a recording medium, a heater to heat the fixing roller, and a power supplier to supply an electric...
Matches 1 - 50 out of 203 1 2 3 4 5 >