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7630676 |
Self-loading belt fusing apparatus
A self-loading belt fusing apparatus is provided and includes (a) a frame; (b) a first rotatable roller having a first outer surface and a first mounted position on the frame; (c) a second...
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7630652 |
Image forming apparatus with enhanced maintainability
An image forming apparatus at least includes: a component, detachable from the image forming apparatus, including a driven portion; first and second detectors configured to detect an installation...
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7620356 |
Fixing apparatus and image forming apparatus having the same
A sheet conveying apparatus is provided which includes a first rotary member; a second rotary member configured to convey a sheet with the first rotary member and which is separable from and in...
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7603050 |
Cooling apparatus and image forming device having the cooling apparatus
A cooling apparatus and an image forming device having the cooling apparatus are provided. The cooling apparatus includes an induction opening formed at an outer frame to draw the air into the...
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7596334 |
Image forming apparatus
An image forming apparatus, includes: a first fusing member provided rotatably; a second fusing member disposed rotatably in press contact with the first fusing member, so as to define, together...
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7577389 |
Heat transfer device of a image forming device
A fixing device is disclosed that includes a fixing roller, a pressure roller that is in pressure contact with the fixing roller, a plurality of belt support rollers that are mutually spaced apart...
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7574158 |
Fixing device, and image forming apparatus provided with fixing device
A fixing device has a roller pair; a cover for defining a forward transport path, and a backward transport path for transporting a sheet discharged from the roller pair back to an image former for...
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7558518 |
Fixing device for use in an image forming device
A fixing roller 30, which has an internal heating device and is supported to rotate around a cylindrical shaft 40, and a pressure roller 81 whose circumferential face presses against the...
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7555239 |
Image forming device and fixing unit
A fixing unit is disposed at a position closer to a rear side wall than to a front side wall of a casing. A top wall is formed with a depressed portion depressed toward inside the casing. The...
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7539449 |
Image heating apparatus
A fixing apparatus 50 capable of reducing noise during a fixing operation using a fixing belt 1 having a metal layer includes the fixing belt 1 stretched between a fixation roller 2 and a...
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7529515 |
Image forming apparatus and fixing apparatus
An image forming apparatus according to the present invention includes a heating roller 2 fixed at a predetermined position, a pressurizing roller 3 press-fitted to the heating roller 2 by a...
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7529495 |
Image heating apparatus
An image heating apparatus includes an endless belt member; at least two support members, for supporting the belt member, disposed inside the belt member; and an induction heating member, for...
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7522861 |
Image forming apparatus having contactless type temperature sensor
A sealing member which is compressed by a contactless temperature sensor and a cover member of a fixing unit is provided between the sensor and the cover member. An opening portion for temperature...
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7522870 |
Image heating apparatus with control means for controlling heating rotatable member in accordance with belt operation
An image heating apparatus includes a heating rotatable member and a belt cooperative with the heating rotatable member to form the nip in which an image on a recording material is heated. The...
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7519320 |
Image heating apparatus in which heater for heating heat roller is outside heat roller
An image heating apparatus includes a rotatable member contactable to a recording material for carrying an image; a heating member contacted to an outer surface of the rotatable member to heat the...
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7512370 |
Image heating apparatus
When a fixing device becomes uncontrollable and a large amount of electric power is continuously supplied to the heater, concentration of mechanical stress on a heater is suppressed, whereby shear...
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7505713 |
Rollers separating unit and image forming apparatus having the same
A rollers separating unit which controls a distance between a heating roller and a pressurizing roller of a fixing unit by an opening/closing of a side cover. The rollers separating unit includes...
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7496303 |
Fixing device, image forming apparatus having the same and image forming method
A fixing device, an image forming apparatus having the same include a fixing member having an outer peripheral face with which a sheet to be transported is brought into pressure contact, an...
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7496316 |
Image forming apparatus including an openable section and separating mechanism with cam
A pair of fixing section discharge rollers 24 is arranged on the downstream side, with respect to the paper conveying direction, of a fixing section 20 including a fixing roller 21 and a...
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7486912 |
Image forming apparatus with an exterior cover operable to actuate a releasing mechanism and to serve as a handle
An image forming apparatus includes: a main body; a unit withdrawably mounted in the main body; an exterior cover attached on a front face of the unit; a rail carrying the unit, the rail being...
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7486899 |
Fusing unit and fusing apparatus using the same
A fusing unit and a fusing apparatus using the fusing unit are provided. The fusing unit includes a pipe-shaped fusing roller having a heat generating unit and electrode members at both ends...
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7483665 |
Fixing device
A fixing device comprising a fixing roller, support rollers wrapped with a belt, bearings of the support rollers arranged at both ends thereof, pressing plates arranged between the bearings and...
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7474869 |
Fixing unit having a bracket supporting pressure rollers and a paper guide and image-forming apparatus having the same
A fixing unit fixing an image on a paper and an image-forming apparatus having the same are provided. The fixing unit includes a heat roller, pressure rollers, a bracket, springs, and a paper...
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7455294 |
Paper-releasing mechanism
A paper-releasing mechanism includes a paper-feeding device for feeding papers, a supporting shelf arranged under the paper-feeding device, a driving roller and an idle roller arranged in the front...
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7454157 |
Image forming device and unit position adjustment method
The present invention provides an image forming device capable of forming high-quality images and affording high-precision rotating shaft parallelism between surface mobile bodies, and a unit...
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7454145 |
Packaging detection and removal for an image forming device
Upon initialization of an image-forming device, a sensor generates a signal to indicate the presence of packaging material at a location within the image-forming device. The image-forming device...
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7450872 |
Fixing apparatus and an image formation apparatus
A fixing apparatus and an image formation apparatus therewith are disclosed. According to the fixing apparatus, a heating range that is heated by electromagnetic induction caused by a current...
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7440713 |
Fixing device of image forming apparatus and image forming apparatus
The fixing device of the image forming apparatus of the present invention has a cleaning pad arranged on the upper frame which supports a heat roller. An infrared temperature sensor is supported by...
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7437085 |
Fixing apparatus and image forming apparatus
A fixing apparatus includes a fixing rotary body; a rotary body provided with an interval from the fixing rotary body; an endless belt rotating in a condition in which it is wound around the fixing...
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7437110 |
Fixing device
A fixing device 100 includes a fixing belt 102 , a heat source 105 , a support member 104 , a pressure roller 103 , and a reinforcing member 106 . The fixing belt 102 has a metal sleeve....
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7426357 |
Fixing unit and image forming apparatus equipped with the fixing unit
A fixing unit for fixing a toner image to a recording medium by passing the recording medium which carries an unfixed image between a pair of rollers which are rotated with being pressed to each...
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7415225 |
Image forming apparatus
A fixing unit 8 is fitted with a rail 28 along which a rail guide provided inside an image forming apparatus can slide. This allows the fixing unit 8 to be extracted out of the image forming...
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7406276 |
Contact pressure setting method and image forming apparatus
A contact pressure setting method of setting a contact pressure between contact members of an image forming apparatus. A film member is inserted into a gap between the contact members and the...
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7392006 |
Image heating apparatus
An image heating apparatus includes a heating rotatable member for heating an image on a recording material at a nip; an endless belt cooperative with the heating rotatable member to form the nip;...
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7391980 |
Image forming apparatus includes a fixation device control based on a sheet-type when a jam occurs
An image forming apparatus of the present invention includes an image formation portion for forming a toner image on a sheet, and a fixation device for fixing the toner image formed by the image...
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7386243 |
Heating apparatus and induction heating control method
In an aspect of this invention, a fixing device includes a heating member including a first area and a second area formed of conductive members (e.g., aluminum and iron) having different magnetic...
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7379688 |
Image forming apparatus including a removable unit
An image forming apparatus including a photosensitive drum unit (photosensitive unit) including a photosensitive body, a fixing unit for fixing a toner image transferred from the photosensitive...
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7379698 |
Image forming apparatus and fixing apparatus for fixing toner image by using belt
An image forming apparatus includes an image forming mechanism configured to form a visible image using toner on a recording sheet according to input image data and a fixing mechanism configured to...
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7374854 |
Image-forming method and image-forming apparatus using the same
The present invention provides an image-forming method, including pseudo-halftone-processing an input signal corresponding to image information to generate an output signal; irradiating a radiation...
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7366442 |
Fixing device
A fixing device is provided with a fixing roller and a pressure roller that presses against the fixing roller, and is configured such that an endless belt that is wound around a plurality of belt...
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7330682 |
Apparatus capable of applying a high fixing-nip pressure which is easily released when a recording sheet is stuck in a fixing mechanism
An image forming system includes an image forming mechanism and a fixing mechanism. The fixing mechanism includes first and second fixing members configured to face each other to hold recording...
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7302209 |
Image forming apparatus facilitating removal of recording material from opening/closing portion
An image forming apparatus according to the present invention includes: an image bearing member; a toner image forming portion for forming a toner image on the image bearing member; a transferring...
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7280775 |
Image-forming apparatus and recording-medium-temperature detector unit used in the same
An image-forming apparatus includes a movable lever which functions as a recording medium detector for detecting the passage of a recording medium and a temperature detecting portion provided on...
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7269379 |
Image forming apparatus
An image forming apparatus includes a fixing unit to fix an image formed on a recording material, first open-close means capable of releasing a conveying path to convey the recording material to...
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7263311 |
Pressure releasing device and image forming device
A pressure releasing member, which rotates a pressure roller pressing member which presses a pressure roller in the direction toward a heat roller in a pressure releasing direction, is configured...
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7263304 |
Fixing apparatus and image forming apparatus
A signal-processing circuit 94 of a simple structure is provided, which generates an operation control signal and a designation signal in accordance with the temperatures detected by temperature...
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7254360 |
Image fixing apparatus, and, image forming apparatus having the same, and image forming process
The object of the present invention is to provide an image fixing apparatus which enables achieving saving of energy in fixing by controlling the temperature of a heater to fix a toner image on a...
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7251436 |
Image forming device with movable processing unit
An armored unit includes a side cover and a guide member. When sheet jam operation is carried out, a fixing unit is pulled out with the armored unit, and then is pushed to the rear side. This...
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7236732 |
Toner image fixing apparatus having concentrated area heating
An apparatus is provided for fixing a toner image to a substrate including: a fixing member having a central axis and inner and outer surfaces; a heating element disposed within the fixing member...
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7236716 |
Image formation device having a fixing apparatus placed on a heat-shielding member
An image formation device is provided, at which a fixing apparatus is disposed inside a housing of a printer main body, and which is configured in a fanless ventilation structure. This image...
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