Class / Patent application number | Description | Number of patent applications / Date published |
399097000 | Humidity | 9 |
20080247774 | IMAGE FORMING APPARATUS - An image forming apparatus having an image forming section, a sheet storage space, and a dehumidifier device which dehumidifies the sheet storage space includes the dehumidifier device which has a dehumidifier member of a heating regeneration type, a dry space being dehumidified by the dehumidifier member, a regeneration space regenerating the dehumidifier member, a heating section provided in the regeneration space and heating to regenerate the dehumidifier member, a driving section transferring the dehumidifier member in a route between the dry space and the regeneration space, and a partition member dividing the dehumidifier member into a plurality of parts and enabling to partition the dry space and the regeneration space. | 10-09-2008 |
20100061756 | METHODS FOR CONTROLLING ENVIRONMENTAL CONDITIONS IN AN ELECTROPHOTOGRAPHIC APPARATUS AND A CORRESPONDING ELECTROPHOTOGRAPHIC APPARATUS - Disclosed are a method of controlling moisture in an electrophotographic apparatus having a fuser assembly, and corresponding electrophotographic apparatus. The method includes measuring a cavity temperature of an inner portion of the electophotographic apparatus, measuring a cavity relative humidity of an inner portion of the electophotographic apparatus, calculating a cavity dewpoint temperature using the measured cavity temperature and the measured cavity relative humidity, determining a difference between the cavity temperature and the cavity dewpoint temperature, and if the difference between the cavity temperature and the cavity dewpoint temperature drops below a predetermined threshold, turning on a heater device in the fuser assembly to control moisture in the electrophotographic apparatus. | 03-11-2010 |
20110069987 | Hard Imaging Devices, Humidity Control Systems And Hard Imaging Methods - Hard imaging devices, humidity control systems and hard imaging methods are described. According to one arrangement, a hard imaging device includes an imaging member comprising a surface and a writing assembly configured to form latent images upon the surface of the imaging member. The hard imaging device also includes a development assembly configured to provide a marking agent to the surface of the imaging member to develop the latent images to form developed images, a transfer assembly configured to transfer the developed images from the surface of the imaging member to media to form a plurality of hard images, and a humidity control system configured to control humidity within a region of the hard imaging device which is adjacent to the surface of the imaging member during the forming and the development of the latent images. Other structure and methods are described. | 03-24-2011 |
20110222898 | IMAGE FORMING APPARATUS - An image forming apparatus includes a corona charger having an opening, a shutter configured to open and close the opening of the corona charger, a humidity sensor configured to detect humidity, and a control unit configured to control the so that time from ending an image forming process to closing the opening using the shutter is reduced when the humidity detected by the humidity sensor increases. | 09-15-2011 |
20120134708 | IMAGE FORMING APPARATUS INCLUDING DEHUMIDIFICATION HEATER AND CONTROL METHOD FOR IMAGE FORMING APPARATUS INCLUDING DEHUMIDIFICATION HEATER - An image forming apparatus includes, a sheet feeding unit including a dehumidification heater, a humidity sensing element for sensing humidity, a dehumidification heater switching unit, a control unit for bringing the dehumidification heater switching unit into an ON state when a recognized humidity is equal to or greater than a predetermined reference value and bringing the dehumidification heater switching unit into an OFF state when the recognized humidity falls below the predetermined reference value, and a power supply unit for temporarily resuming power supply to the control unit in a power saving mode in a longer cycle after the power supply to the control unit is stopped as a difference between the humidity recognized by the control unit and the predetermined reference value is larger. | 05-31-2012 |
20130195500 | Image Forming Apparatus - An image forming apparatus includes: a main body casing; a fixing unit accommodated in the casing and including a heating member and a pressing member; a first wall provided inside the casing at a position above the heating member and the pressing member and extending diagonally downward and forward; an uneven portion provided on the first wall at a position rearward of front end portion of the pressing member to restrain a dew droplet condensed on the first wall from running down along the first wall; a sheet ejection opening formed in the casing such that the recording sheet conveyed out from the fixing unit is ejected outside the casing through the sheet ejection opening; and an exhaust opening formed in the casing at a position rearward of the heating member such that air heated in the fixing unit is discharged outside the casing through the exhaust opening. | 08-01-2013 |
20130272744 | IMAGE FORMING APPARATUS - An image forming apparatus comprising: a fixing unit comprising a heating rotational body, and configured to perform heat-fixing by putting a sheet having an unfixed-image formed thereon in contact with the heating rotational body; and a mechanism comprising a plate-like water droplet guiding member and a condensation collection container, and configured to receive water droplets at an upper surface of the water droplet guiding member, guide the water droplets towards the condensation collection container, and collect the water droplets at the condensation collection container, the water droplets generated above the fixing unit by condensation of water vapor that rises from the sheet during the heat-fixing and falling therefrom. When viewing the image forming apparatus from above in a vertical direction, the condensation collection container is disposed outside a sheet passing region in a sheet width direction. | 10-17-2013 |
20140233979 | IMAGE FORMING APPARATUS - An image forming apparatus includes an apparatus body, a manual operating unit, at least a part of which being exposed to an outside of the apparatus body and a part of which included inside the apparatus body being exposed to the outside by manually operating from the outside, a condensation part to which moist air in the apparatus body contacts to dew-condense to a water droplet, and a recovery container part containing the water droplet generated by the condensation part and being disposed on an inner surface of the manual operating unit included inside the apparatus body. | 08-21-2014 |
20140321879 | DATA PROCESSING APPARATUS, CONDENSATION REMOVAL METHOD AND PROGRAM THEREOF - An image forming apparatus includes a condensation removal unit configured to perform condensation removal absorbing condensation with toner in the image forming apparatus, and a setting unit configured to set an amount of toner to be used for the condensation removal, wherein the condensation removal unit performs the condensation removal by using the mount of toner set by the setting unit. | 10-30-2014 |