摘要:
A fixing device includes a fixing rotary body rotatable in a predetermined direction of rotation to radiate infrared rays; a pressing rotary body, rotatable in a direction counter to the direction of rotation of the fixing rotary body, pressed against the fixing rotary body to form a fixing nip therebetween through which a recording medium bearing a toner image is conveyed; a heater disposed opposite the fixing rotary body to heat the fixing rotary body; a temperature detector spaced apart from the fixing rotary body to detect a temperature of the fixing rotary body based on the infrared rays from the fixing rotary body and disposed below the fixing nip in a vertical direction; and a tube disposed between the fixing rotary body and the temperature detector, the tube through which the infrared rays from the fixing rotary body enter the temperature detector.
摘要:
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 disposed on an outer circumferential surface of the fixing member. The rotary pressure member is disposed parallel to and pressing against the fixing member via the endless belt. The heating unit heats the endless belt. The rotation detector detects a rotation speed of the endless belt. The heating unit is powered off when the rotation speed of the endless belt detected by the rotation detector is at or below a predetermined threshold value.
摘要:
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; a first temperature detection unit detecting a temperature of the fixing rotation body; and plural second temperature detection units detecting a temperature of the pressing rotation body. Further the fixing device selects a predetermined second temperature detection unit from the plural second temperature detection units depending on an operation mode of the fixing device, and the fixing device detects the temperature of the pressing rotation body by using the predetermined second temperature detection unit selected by the fixing device.
摘要:
A fixing unit includes a fixing member to fuse a toner image on a recording medium on the recording medium; a pressure member to press against the fixing member to define a first nip between the fixing member and the pressure member through which the recording medium is transported; a shifting unit to move the pressure member relative to the fixing member to increase or decrease a pressure of the first nip; a curling correction unit disposed downstream from the first nip in a transport direction of the recording medium that imparts a second curling direction to the recording medium; and a variable setting unit operatively connected to the curling correction unit to variably set an amount of the second curling direction to the recording medium by the curling correction unit depending on the first nip pressure increased or decreased by the shifting unit.
摘要:
A fixing system includes a fixing device that fixes a non-fixed image with heat onto a recording medium. The fixing device includes a fixing roller that generates heat and a pressing roller that presses against the fixing roller. A curl correction device is provided to correct curling of the recording medium passing through the fixing device. The curl correction device includes a heating roller unit that generates heat and an elastic roller that presses against the heating roller unit. A magnetic flux generating device is arranged in the vicinity of the fixing device and the curl correction device and generates magnetic flux.
摘要:
A fixing device for fixing an unfixed toner image on a recording medium includes a fixing member, a pressure member, a sheet guide, and a pressure adjusting mechanism. The fixing member heats the unfixed toner image on the recording medium. The pressure member is disposed opposite the fixing member and presses against the fixing member to define a fixing nip through which the recording medium bearing the unfixed toner image passes to fix the unfixed toner image onto the recording medium. The position of the fixing nip is changeable. The sheet guide disposed adjacent to the pressure member guides the recording medium to the fixing nip and moves in conjunction with movement of the pressure member. The pressure adjusting mechanism operatively connected to the pressure member adjusts an amount of engagement of the pressure member relative to the fixing member. An image forming apparatus includes the fixing device.
摘要:
A fixing device includes a fixing member configured to heat and fix a toner image onto a recording medium; a pressurizing member configured to press a heating member, which is used for heating the fixing member, against the fixing member and form a fixing nip part; and a guide member configured to guide the recording medium away from the fixing member and the pressurizing member at a downstream side of the fixing member or the pressurizing member in a conveying direction of the recording medium. The guide member includes a pushing unit for maintaining a relative positional relationship between the guide member and an outer peripheral surface of the fixing member or the pressurizing member, and the pushing unit is provided in a manner as to follow surface characteristics of outer peripheral parts of the fixing member or the pressurizing member where the pushing unit pushes.
摘要:
A fixing device includes a fixing rotary body to come into contact with a toner image on a recording medium and a pressing rotary body separably pressed against the fixing rotary body to press the recording medium against the fixing rotary body. A cooler, disposed opposite the pressing rotary body to cool the pressing rotary body, includes a fan to move air to the pressing rotary body and at least one inlet duct interposed between the fan and the pressing rotary body to supply air from the fan to the pressing rotary body. The at least one inlet duct selectively cools the pressing rotary body in a variable axial span in an axial direction thereof.
摘要:
A printing device includes a medium holding portion a medium holding portion on which a medium is placed, a discharge unit, a holding portion, a first displacement mechanism, a second displacement mechanism, and a contacting portion of the medium holding portion. The discharge unit is configured to discharge an object to the medium placed on the medium holding portion. The holding portion is configured to hold the discharge unit. The first displacement mechanism is configured to displace a relative position of the medium and the discharge unit along a placement surface of the medium. The second displacement mechanism is configured to displace the medium holding portion along a height direction. The contacting portion configured to come in contact with a contacted portion located at a surface of the medium holding portion, the medium placed on the surface.
摘要:
A display device includes a display unit, a sound unit, a speaker positioning mechanism and a speaker attaching mechanism. The display unit is configured to display images. The sound unit is configured to output audio. The sound unit has top and bottom left speakers and top and bottom right speakers. The speaker positioning mechanism is configured to detachably support the sound unit and move the sound unit away from and close to the display unit in a lateral direction of the display unit. The speaker attaching mechanism is configured to detachably couple the sound unit to upper and lower faces of the display unit.