摘要:
The image forming apparatus of the present invention having a developer containing section and a developer remaining amount detecting member, and capable of forming an image at any of a plurality of printing speeds, has a configuration in which the averaging method of the developer remaining amount by the developer remaining amount detecting member is changed in response to the printing speed. The invention thus provides an image forming apparatus having a plurality of printing speeds, which permits successive detection of the remaining amount of developer at a high accuracy in response to the printing speed.
摘要:
A cleaning device for removing toner remaining on an image carrier carrying a toner image after toner on the image carrier has been transferred to another material, the cleaning device including: a conductive brush roller to which a bias voltage of a polarity that is the same as the proper polarity of toner for use in development is applied in order to remove that portion of the toner remaining on the image carrier after the image transfer process whose polarity has become opposite to the proper polarity of toner for use in development; a roller electrode which comes into contact with the bush roller and to which a bias that is of a polarity opposite to that of the brush roller is applied to electrostatically attract the toner adhering to the conductive brush; and scraping device for scraping off the toner adhering to this roller electrode, wherein that portion of the toner remaining on the image carrier after the image transfer process whose polarity has become opposite to the proper polarity of toner is removed by the brush roller and that portion of the toner which maintains the proper polarity is allowed to pass.
摘要:
A packaging method for a filter tow bale includes, including excessively compressing a distance between press bases to a height lower than a desired height of a packaged bale by 50 to 250 mm, more preferably 80 to 200 mm, further preferably 90 to 180 mm, then adjusting the distance between the press bases to the desired height in a packaged or non-packaged state, and then releasing a pressing force applied on a pressed bale.
摘要:
A cigarette filter material useful for selectively and efficiently reducing formaldehyde while maintaining a palatable component such as nicotine or tar is provided. A cigarette filter material is obtained by adhesively treating a substrate (such as a cellulose acetate fiber) with a dispersion comprising a particulate polysaccharide having an amino group (e.g., chitosan) and a medium. The medium may be a polar solvent (e.g., water, and an alcohol), and a plasticizer for the substrate. A cigarette filter comprising such cigarette filter material can efficiently and selectively reduce formaldehyde. For example, the cigarette filter ensures a retention of formaldehyde of not more than 65% while maintaining retentions of nicotine and tar of not less than 75%, respectively.
摘要:
The present invention provides a cigarette filter material useful for selectively and efficiently reducing formaldehyde while maintaining a palatable component such as nicotine or tar. The cigarette filter material is obtained by coating-treating a substrate (such as a cellulose acetate fiber) with a solution (particularly, an aqueous solution) containing a polysaccharide having an amino group (e.g. chitosan) and a polar solvent (e.g., water) [and optionally an acid such as a hydroxy acid (e.g., lactic acid)]. A cigarette filter of such a cigarette filter material can efficiently and selectively reduce formaldehyde. For example, the cigarette filter ensures a retention of formaldehyde of not more than 65% while maintaining retentions of nicotine and tar of not less than 80%, respectively, in main stream smoke.
摘要:
A process cartridge detachably mountable to a main assembly of an electrophotographic image forming apparatus, includes a cartridge frame; an electrophotographic photosensitive member; a developer accommodating portion for accommodating a developer; a developing member for developing an electrostatic latent image formed on the electrophotographic photosensitive member with the developer; a developer feeding member for feeding the developer accommodated in the developer accommodating portion toward the developing member; and a developer amount detecting member, disposed along a movement path of the developer from the developer accommodating portion toward the developing member, for generating an electric signal for permitting the main assembly to detect substantially real time a remaining amount of the developer in the process cartridge, wherein the developer amount detecting member is disposed at and along an arcuate portion which is provided outside the cartridge frame along a path of rotational motion of the developer feeding member.
摘要:
An electrophotographic image forming apparatus includes an electrophotographic photosensitive body for forming electrostatic latent images thereon; a charging device structured with an electrode member in contact with the photosensitive body for forming the latent images on the photosensitive body; a cleaning device having a cleaning blade to rub and remove toner from the surface of the photosensitive body by enabling the leading edge thereof to abut thereupon in a counter to the moving direction of the photosensitive body; a developing device for developing with toner the latent images formed on the photosensitive body; and a surface roughing device arranged within a cleaning area to which the cleaning blade to abuts, outside the developing area of the developing means to carry out development, and further, arranged on the downstream side of the charging device observed in the moving direction of the photosensitive body, but on the upstream side of the cleaning blade to abut upon the photosensitive body for making the surface thereof rough, hence making it possible to prevent the cleaning blade from being turned up along the movement of the photosensitive body when the blade removes unwanted toner from the surface of the photosensitive body.
摘要:
A life informing device for a charge body includes a body to be charged, and a charging member for charging the charge body. The charging member is adapted to receive an oscillating voltage and to be in contact with the charge body during the charging operation. Also provided is an informing device for visually or acoustically informing the user whether the charge body reaches the end of the life time thereof, based on an accumulated time of the application time during which the oscillating voltage is applied.
摘要:
A magnet roller including a columnar magnet with a through bore having a cross-section defining a thickness of the columnar magnet which is uneven along a circumference thereof, wherein a most thick portion of the columnar magnet has a strongest magnetic pole. The columnar magnet may be made from a resin material containing a magnetic powder. The bore cross-section may be non-circular, D-shaped, or rectangular. An insertion member may be inserted into the through bore to fixedly support the magnet roller.
摘要:
A whitening embellisher includes, as an active ingredient, teprenone (chemical name: geranylgeranyl-acetone). A whitening and beautifying composition includes teprenone and one or more substances selected from kojic acid, L-ascorbic acid and the like.The whitening embellisher, and whitening and beautifying composition prevent the skin from pigmenting and darkening due to sunburn and/or aging, and quicken fading, and hence make spots and freckles inconspicuous when the preparations are used for external application as a cream or milky lotion.