Abstract:
A cooling device for cooling a recording material on which a toner image is fixed includes: a rotatable feeding belt configured to feed the recording material by rotation; a rotatable member configured to nip and feed the recording material in cooperation with the feeding belt; and a heat sink contacting an inner peripheral surface of the feeding belt. The feeding belt contains a fluorine-containing resin additive.
Abstract:
With stoppage of recording material feeding including a first belt and a second belt (YES in S1), a controller causes cooling operation for the recording material by a cooling fan and a belt fan to continue without stop (S4). By continuing the cooling operation of a recording material cooling device, even if the recording material stagnates in the recording material cooling device in a state of being nipped by the first belt and the second belt, the temperature of the recording material can be lowered. Then, the toner on the recording material is cooled, the toner on the recording material is unlikely to adhere to the first belt or to the second belt.
Abstract:
An external cooling device 101 is connectable to an image forming apparatus 100. The external cooling device 101 improves cooling power of a recording material S after toner image fixation. In this case, even when a heating amount of the fixing device 11 is increased, a temperature of the recording material S stacked on a stacking unit 60 can be lowered to not more than a predetermined temperature at which sticking does not occur. Further, the number of sheets stackable on said stacking unit 60 can be increased. By this, a user is capable of adjusting glossiness without concern for the sticking of the recording materials S on the stacking unit 60. Further, the user is not required to frequently carry out the recording material S of the stacking unit 60. That is, it is possible to provide an image forming system 1X capable of flexibly meeting the recording materials S of various kinds.
Abstract:
An electrophotographic image forming apparatus includes: a rotatable member; a web; a mechanism; a contact portion; a plurality of displacing portions; a detecting portion; a notifying portion; a first counting portion; a prohibiting portion; and a second counting portion. The prohibiting portion prohibits an image forming process when the detecting portion detects displacement of the contact portion when the number of times of the image forming process counted by the second counting portion is less than a predetermined number. The notifying portion prompts an exchange of the web when the detecting portion detects the displacement of the contact portion when the number of times is not less than the predetermined number.
Abstract:
An image heating apparatus includes: a heating member; a collecting member; a cleaning web; an urging roller; a moving mechanism configured to move the urging roller between a first position where the cleaning web contacts the collecting member, a second position where the cleaning web contacts the collecting member at a contact pressure lower than a contact pressure at the first position, and a third position where the cleaning web is spaced from the collecting member; an executing portion configured to execute a collecting member cleaning operation at the second position and the first position in this order; and a controller configured to control a temperature of the collecting roller so that the temperature when the urging roller is moved from the third position to the second position is higher than the temperature when the urging roller is moved from the second position to the first position.
Abstract:
An electrophotographic image forming apparatus includes: a rotatable member; a web; a mechanism; a contact portion; a plurality of displacing portions; a detecting portion; a notifying portion; a first counting portion; a prohibiting portion; and a second counting portion. The prohibiting portion prohibits an image forming process when the detecting portion detects displacement of the contact portion when the number of times of the image forming process counted by the second counting portion is less than a predetermined number. The notifying portion prompts an exchange of the web when the detecting portion detects the displacement of the contact portion when the number of times is not less than the predetermined number.
Abstract:
An image heating apparatus includes: first and second rotatable members configured to form a nip for heating a toner image on a recording material; rotatable rubbing member configured to rub the first rotatable member to substantially refresh a surface property of the first rotatable member; an air blowing mechanism, provided with a plurality of openings, configured to blow air toward different positions of the rotatable rubbing member with respect to an axial direction of the rotatable rubbing member; and a moving mechanism configured to reciprocate the air blowing mechanism with respect to the axial direction.
Abstract:
A sheet cooling device includes a fixing device for heat fixing an unfixed image formed on a sheet; and a cooling device for cooling the sheet heated by the fixing device, the cooling device including, a rotatable endless belt contactable with the sheet heated by the fixing device and traveling above the fixing device; and a cooling member for cooling the endless belt to condense water vapor produced by a fixing operation.
Abstract:
With stoppage of recording material feeding including a first belt and a second belt (YES in S1), a controller causes cooling operation for the recording material by a cooling fan and a belt fan to continue without stop (S4). By continuing the cooling operation of a recording material cooling device, even if the recording material stagnates in the recording material cooling device in a state of being nipped by the first belt and the second belt, the temperature of the recording material can be lowered. Then, the toner on the recording material is cooled, the toner on the recording material is unlikely to adhere to the first belt or to the second belt.
Abstract:
A cooling device for cooling a recording material on which a toner image is fixed includes: a rotatable feeding belt configured to feed the recording material by rotation; a rotatable member configured to nip and feed the recording material in cooperation with the feeding belt; and a heat sink contacting a solid lubricant contacting an inner peripheral surface of the feeding belt.