Abstract: A fixing device includes a tubular fusing film, a heater, a nip member, a backup member, a backup member, first supporting member, and a second supporting member. The heater may be disposed inside the tubular shape of the fusing film. The nip member may be disposed so as to be in sliding contact with the inner surface of the fusing film and heated by the heater. The backup member may form a nip portion between the backup member and the fusing film with the fusing film between the backup member and the nip member. The first supporting member may be configured to integrally support the heater and the nip member. The second supporting member may be configured to movably support the first supporting member so that the nip member moves relative to the backup member.

Abstract: A fixing device includes a heating element disposed inside a flexible fusing member, a nip member disposed to contact with a surface of the flexible fusing member and to allow the flexible fusing member to slide along the nip member, a reflecting plate for reflecting radiant heat from the heating element toward the nip member, and a backup member for nipping the flexible fusing member with the nip member. The reflecting plate includes a central reflecting portion extending along a longitudinal direction of the heating element at least in a region corresponding to along a heat generating portion of the heating element, and end reflecting portions stationarily provided on both ends of the central reflecting portion. The end reflecting portions are disposed in positions longitudinally outward of the heat generating portion and each has a reflecting surface tilted with respect to the longitudinal direction of the heating element.

Abstract: A fixing device for thermally fixing a developing agent image to a sheet fed in a sheet feeding direction includes: a tubular flexible member; a nip member; a heater; a reflection member; a backup member; and a temperature sensor. The tubular flexible member has an inner peripheral surface defining an internal space. The nip member is disposed in the internal space and has one surface and opposite surface. The inner peripheral surface is in contact with the one surface. The heater is disposed in the internal space and confronts the nip member in a confronting direction. The reflection member is configured to reflect a radiant heat from the heater toward the nip member. The backup member is configured to provide a nip region in cooperation with the nip member for nipping the tubular flexible member between the backup member and the nip member. The temperature sensor is disposed in the internal space and is configured to detect a temperature of the nip member.

Abstract: A fixing device for thermally fixing a developer image transferred onto a recording sheet, includes: a flexible fusing member which is flexibly deformable; a heating element; a nip member disposed in such a manner as to contact with a surface of the flexible fusing member and to allow the flexible fusing member to slide along the nip member; a reflecting plate configured to reflect radiant heat from the heating element in a direction toward the nip member; a backup member configured to nip the flexible fusing member with the nip member to thereby form a nip portion for the recording sheet between the flexible fusing member and the backup member; and a stay configured to support both end portions of the nip member. The reflecting plate has at least one flange portion, and the flange portion is held and supported between the nip member and the stay.

Abstract: A fixing device for thermally fixing a developing agent image to a sheet includes a tubular flexible fusing member, a nip plate, a heater, a reflection plate, and a backup member. The tubular flexible fusing member has an inner peripheral surface defining an internal space and an axis defining an axial direction. The nip plate is disposed in the internal space, and the inner peripheral surface is in sliding contact with the nip plate. A heater is disposed in the internal space and confronts the nip plate in a confronting direction. The heater includes a glass tube, a heat source provided in the glass tube, and a gas sealed in the glass tube. The glass tube includes a glass tube body and a tip portion protruding radially outwardly from the glass tube body for sealing the gas in the glass tube body.

Abstract: There is provided a fixing device for thermally fixing a developing agent image to a sheet. The fixing device includes a tubular flexible member, a heater, a nip member, a reflection plate, a backup member, a stay and a temperature sensor. The flexible member has an inner peripheral surface defining an internal space. The heater is disposed in the internal space and is configured to generate a radiant heat. The nip member is disposed in the internal space, the inner peripheral surface being in sliding contact with the nip member. The reflection plate is configured to reflect the radiant heat from the heater toward the nip member, the reflection plate having an outer profile. The backup member is configured to provide a nip region in cooperation with the nip member for nipping the flexible member between the backup member and the nip member.

Abstract: A fixing device for thermally fixing a developing agent image to a sheet fed in a sheet feeding direction includes a tubular flexible fusing member, a nip plate, a heater, a reflection plate, and a backup member. The tubular flexible fusing member has an inner peripheral surface defining an internal space and an axis defining an axial direction. The nip plate is disposed in the internal space, and the inner peripheral surface is in sliding contact with the nip plate. A heater is disposed in the internal space and confronts the nip plate in a confronting direction. The heater includes a glass tube, a heat source provided in the glass tube, and a gas sealed in the glass tube. The glass tube includes a glass tube body and a tip portion protruding radially outwardly from the glass tube body for sealing the gas in the glass tube body.

Abstract: In a fixing device for thermally fixing a developer image transferred onto a recording sheet, a nip plate is disposed on an inner surface of a tubular flexible fusing member which is flexibly deformable in such a manner that permits the fusing member to slide along the nip plate, and configured to be heated by a heating element disposed inside the fusing member. The fusing member is nipped between the nip plate and a backup member to form a nip portion between the fusing member and the backup member. The nip plate is bent to form a recessed portion which opens on the inner surface of the fusing member and holds a lubricant.

Abstract: In a fixing device, a nip plate is disposed on an inner surface of a tubular flexible fusing member which is flexibly deformable, and configured to be heated by a heating element disposed inside the fusing member. The fusing member is nipped between the nip plate and a backup member to form a nip portion. First and second portions of the nip plate which are located in positions upstream and downstream, respectively, with respect to a recording sheet conveyance direction and to be supported by a stay are each configured to be a flat plate extending along the recording sheet conveyance direction. A central portion between the first and second portions of the nip plate is in a position shifted from those of the first and second portions in a direction perpendicular to flat surfaces of the first and second portions.

Abstract: There is provided a fixing device for thermally fixing a developing agent image to a sheet. The fixing device includes: a tubular flexible member having an inner peripheral surface defining an internal space; a nip member disposed in the internal space and having one surface, the inner peripheral surface being in sliding contact with the one surface; a heater disposed in the internal space: a reflection plate configured to reflect a radiant heat from the heater toward the nip member; a backup member providing a nip region in cooperation with the nip member for nipping the flexible member between the backup member and the nip member; and a temperature sensor disposed in the internal space to detect a temperature of the reflection plate.

Abstract: An image forming apparatus includes a fixing unit for fixing a toner image. The fixing unit includes a heating roller and a pressurizing roller opposed to the heating roller and urged toward the heating roller. A unit case rotatably supports both ends of the heating roller in a longitudinal direction of the heating roller. The unit case is open at one side of the heating roller opposed to the pressurizing roller and covers the other side of the heating roller opposite to the pressurizing roller. A pair of pressurizing roller supporting bodies are respectively provided at both ends in a longitudinal direction of the unit case and rotatably support both ends of the pressurizing roller. A pair of end covers cover both the ends of the heating roller in the longitudinal direction of the heating roller.

Abstract: A fixing unit mounting section is formed to a main body frame. A fixing unit is mounted to the fixing unit mounting section by inserting the fixing unit into the main body along a predetermined inserting direction. An electric power supply section configured to supply electric power to the fixing unit is arranged at a near side of the fixing unit mounting section in the inserting direction. A connecting section configured to establish electric connection to the electric power supply section is formed at the near side of the fixing unit in the inserting direction.

Abstract: A pipe joint 1 comprises a fitting 10 connected with a hose 2, a flange 20 pressingly holding the fitting 10 inserted into a through hole 21 toward a block 3, a bolt 30 for fixing tightly the flange 20 to the block 3, a metal seal 40 having “C” cross section so as to seal a joined portion of a communication passage 11 and a connection opening 3a externally, and a first and a second O-rings 50, 60 so as to seal a contact portion of the fitting 10 and the block 3. A projecting portion 24 is formed on a lower face 23 of the flange 20, the projection portion 24 is formed at an area opposite to an area where the insertion hole 21 is formed with respect to a center axis of the through hole 21, the project portion 24 projects from other portion of the flange towards the block 3. A tip of the fitting 10 inserted into the through hole 21 projects towards the block 3 from the lower face 23 of the flange 20.

Abstract: A pipe joint 1 comprises a fitting 10 connected with a hose 2, a flange 20 pressingly holding the fitting 10 inserted into a through hole 21 toward a block 3, a bolt 30 for fixing tightly the flange 20 to the block 3, a metal seal 40 having “C” cross section so as to seal a joined portion of a communication passage 11 and a connection opening 3a externally, and a first and a second O-rings 50, 60 so as to seal a contact portion of the fitting 10 and the block 3. A projecting portion 24 is formed on a lower face 23 of the flange 20, the projection portion 24 is formed at an area opposite to an area where the insertion hole 21 is formed with respect to a center axis of the through hole 21, the project portion 24 projects from other portion of the flange towards the block 3. A tip of the fitting 10 inserted into the through hole 21 projects towards the block 3 from the lower face 23 of the flange 20.

Abstract: A pressure roller support member that rotatably supports a pressure roller is supported to a fixing unit case so as to be capable of swaying. A spacer member is supported to the pressure roller support member so as to be capable of swaying. A spacer section is formed at an end of the spacer member. When the spacer member sways, the spacer section moves between a first position where the spacer section is clamped between the fixing unit case and the pressure roller support member and a second position where the clamp between the fixing unit case and the pressure roller support member is released.

Abstract: A facsimile apparatus can automatically register its own facsimile number into TTI, the own facsimile number being previously registered in the facsimile apparatus. In the facsimile apparatus, information containing the own facsimile number is input to the facsimile apparatus. The input own facsimile number is automatically incorporated into transmitter terminal identification (TTI) information as information regarding a transmitting end.

Abstract: In a fixing portion, a heating roller and a pressure roller are provided. An angle of separation ? (°), the temperature THR (° C.) of the surface of the heating roller, the diameter DPR (mm) of the pressure roller, and the width WNIP (mm) of a nip part are set to satisfy the following inequality: 114?0.55 THR?2.36??1.59 DPR+8.62 WNIP?144.

Abstract: A facsimile apparatus can automatically register its own facsimile number into TTI, the own facsimile number being previously registered in the facsimile apparatus. In the facsimile apparatus, information containing the own facsimile number is input to the facsimile apparatus. The input own facsimile number is automatically incorporated into transmitter terminal identification (TTI) information as information regarding a transmitting end.

Abstract: A facsimile apparatus can automatically register its own facsimile number into TTI, the own facsimile number being previously registered in the facsimile apparatus. In the facsimile apparatus, information containing the own facsimile number is input to the facsimile apparatus. The input own facsimile number is automatically incorporated into transmitter terminal identification (TTI) information as information regarding a transmitting end.

Abstract: When a state, in which the temperature detected by a thermistor for detecting the temperature of a heating roller does not increase, is continued for 15 seconds, even though the printing operation is performed and a heater for heating the heating roller is energized, it is determined that the temperature of the heating roller does not increase normally. The same determination process is performed again while the printing operation is inhibited from being started with respect to a new sheet. In this determination process, when it is determined that the temperature of the heating roller increases normally, it is not determined as an error state. The printing operation is resumed. On the other hand, when it is determined that the temperature of the heating roller does not increase normally, the printing operation is inhibited.