摘要:
An image forming apparatus includes an image carrier, a charging mechanism to charge a surface of the image carrier, an electrostatic latent image forming mechanism to form an electrostatic latent image on the surface of the image carrier, a developing mechanism to develop the electrostatic latent image formed on the surface of the image carrier into a toner image, a transfer mechanism to transfer the toner image on the surface of the image carrier to a transfer body, and a cleaning mechanism including a cleaning blade to clean a transfer residue toner adhering to the surface of the image carrier by contacting the surface of the image carrier. The cleaning blade includes a strip shaped elastic blade and a surface layer formed on an opposing surface of the strip shaped elastic blade opposite the surface of the image carrier.
摘要:
A cleaning blade is provided. The cleaning blade includes a strip-shaped elastic blade. At least the tip edge portion of the elastic blade, which is to be contacted with the surface of a moving object to remove a powdery material from the surface of the moving object, includes an ultraviolet crosslinked resin, which includes an acrylate or methacrylate unit including a fluorine-containing group, and another acrylate or methacrylate unit having a tricyclodecane or adamantane skeleton, from the surface of the tip edge portion to a depth of not less than 5 μm.
摘要:
A cleaning blade includes an elastic member configured to come into contact with a surface of a member to be cleaned and remove residual matter adhering to the surface of the member to be cleaned. The elastic member satisfies the following requirements a and b: a. The elastic member has a contact portion configured to come into contact with the surface of the member to be cleaned and the contact portion includes a modified layer that contains a cured product of an ultraviolet curable composition containing a (meth)acrylate compound; and b. A value obtained by normalizing a peak area ratio SA/SB of a modified portion with a peak area ratio SA′/SB′ of a portion outside the modified layer is 1.5 or more and 10 or less where SA is a peak area value at 1162 cm−1 and SB is a peak area value at 1533 cm−1 obtained by infrared microspectrometry, and the modified portion is a region that extends 100 μm in a contact portion thickness inward direction from the contact portion on a plane that lies at an equal distance from two surfaces constituting the contact portion.
摘要:
An image forming apparatus, including: an image bearing member; a charging unit; an exposure unit; a developing unit; a transfer unit; a fixing unit; and a cleaning unit including a cleaning blade, wherein the charging unit includes a charging roller that is brought into contact with the image bearing member for charging, the charging roller abutting the image bearing member at a pressing force of 10 mN/cm to 1,000 mN/cm, wherein the cleaning blade includes an elastic member that abuts the surface of the image bearing member to remove a residue attached to the surface of the image bearing member, and wherein an abutment part of the elastic member, which abuts the surface of the image bearing member, includes a cured product of an ultraviolet curable composition containing a (meth)acrylate compound having an alicyclic structure having 6 or more carbon atoms in a molecule.
摘要:
A toner hearing member includes: an electric conductive support; an insulating layer provided on the electric conductive support; a plurality of electrodes located on the insulating layer so that each electrode is separated from one another with a certain space; and a surface layer covering the insulating layer and the electrodes, wherein the surface layer contains a crosslink reaction product of a fluororesin, or a crosslink reaction product of a (meth)acrylate compound, or both thereof.
摘要:
An image forming apparatus is provided which includes an image bearer, a charger to charge the image bearer, a latent image forming device to form an electrostatic latent image on the image bearer, a developing device to develop the electrostatic latent image with a toner, a transfer device to transfer the toner image onto a transfer medium, and a cleaning blade to remove residual toner particles remaining on the image bearer. The toner includes a binder resin and a release agent. The release agent has a longest length Lmax in the toner, which is equal to or greater than 1.1 times a maximum Feret diameter Df of the toner. The cleaning blade includes a strip-like elastic body blade having a contact part with the image bearer. The contact part includes a cured product of an ultraviolet curable composition including an acrylate or methacrylate compound having an alicyclic structure.
摘要:
A cleaning blade cleaning the surface of an object includes a rigid holder; and a strip-shaped elastic body fixed on the holder, having a tip ridgeline to contact the surface of the object. The elastic body has a Martens hardness M1 in the range of from 0.9 to 10.0 N/mm2 at a position 300 μm from the ridgeline on an undersurface of the elastic body including the ridgeline, a Martens hardness M2 at a position 1,000 μm therefrom and a Martens hardness M3 at a position 2,000 μm therefrom, and M1, M2 and M3 satisfy the following relationship: M1>M2>M3.
摘要翻译:清洁物体表面的清洁刀片包括刚性保持器; 以及固定在保持器上的带状弹性体,具有与物体的表面接触的尖端棱线。 弹性体的马氏体硬度M1在距离包括棱线的弹性体的下表面的棱线300μm的位置处为0.9至10.0N / mm 2的范围内的马氏体硬度M1,距离为1,000μm的马氏体硬度M2和 马氏硬度M3位于距离为2,000μm的位置,M1,M2和M3满足以下关系:M1> M2> M3。
摘要:
A cleaning blade cleaning the surface of an object includes a rigid holder; and a strip-shaped elastic body fixed on the holder, including a tip ridgeline to contact the surface of the object. The cleaning blade includes a part having a Martens hardness of from 0.9 to 5.0 N/mm2 at a depth of 20 μm from an undersurface of the blade including the ridgeline, 0.3 to 0.8 N/mm2 at a depth of 40 μm therefrom, and the Martens hardness at a depth of 20 μm therefrom larger than that at a depth of 40 μm therefrom by 0.6 N/mm2.
摘要翻译:清洁物体表面的清洁刀片包括刚性保持器; 以及固定在所述保持器上的带状弹性体,其包括与所述物体的表面接触的尖端棱线。 清洁刮板包括从包括棱线的叶片的下表面开始的深度为20μm至20μm的马氏体硬度为0.9至5.0N / mm 2的部分,其深度为40μm时为0.3至0.8N / mm 2, 其深度为20μm的马氏体硬度比其深度为40μm的马氏硬度大0.6N / mm 2。
摘要:
An image forming apparatus, including: an image bearing member; a charging unit; an exposure unit; a developing unit; a transfer unit; a fixing unit; and a cleaning unit including a cleaning blade, wherein the charging unit includes a charging roller that is brought into contact with the image bearing member for charging, the charging roller abutting the image bearing member at a pressing force of 10 mN/cm to 1,000 mN/cm, wherein the cleaning blade includes an elastic member that abuts the surface of the image bearing member to remove a residue attached to the surface of the image bearing member, and wherein an abutment part of the elastic member, which abuts the surface of the image bearing member, includes a cured product of an ultraviolet curable composition containing a (meth)acrylate compound having an alicyclic structure having 6 or more carbon atoms in a molecule.
摘要:
To provide a toner bearing member, which contains: an electric conductive support; an insulating layer provided on the electric conductive support; a plurality of electrodes located on the insulating layer so that each electrode is separated from one another with a certain space; and a surface layer covering the insulating layer and the electrodes, wherein the surface layer contains a crosslink reaction product of a fluororesin, or a crosslink reaction product of a (meth)acrylate compound, or both thereof.