Image forming apparatus
    25.
    发明授权
    Image forming apparatus 有权
    图像形成装置

    公开(公告)号:US09052621B2

    公开(公告)日:2015-06-09

    申请号:US13752847

    申请日:2013-01-29

    IPC分类号: G03G9/08 G03G15/20 G03G9/087

    摘要: An image forming apparatus including: image bearing member; latent image forming unit; developing unit; transfer unit; fixing unit, wherein toner in the developing unit contains amorphous polymer, crystalline resin and releasing agent, when the toner is measured for G′ at 40° C. to 210° C. with rheometer at 1 Hz and 1 deg, G′(100) is ≦20,000 and G′(150) is ≧500 Pa, and straight line drawn by connecting points of the G′(100) and G′(110) on curve of the G′ has gradient of ≦0.035, the gradient being “a” expressed by: a=|log10G′(100)−log10G′(110)|/10, and the fixing unit includes: heating member containing flexible endless belt; heat source fixed within the flexible endless belt; and press member in contact with the belt to form nip portion, and the fixing unit is configured to heat/press the medium passing through the nip portion to fix the image on the medium.

    摘要翻译: 一种图像形成装置,包括:图像承载部件; 潜像形成单元; 发展单位; 转运单位 定影单元,其中当调色剂在40℃至210℃下测量G'时,显影单元中的调色剂含有无定形聚合物,结晶树脂和脱模剂,流变仪在1Hz和1度,G'(100 )为20,000,G'(150)为≥500Pa,由G'(100)和G'(110)的连接点在G'的曲线上绘制的直线具有≦̸ 0.035的梯度, 梯度为“a”,由下式表示:a = | log 10G'(100)-log 10G'(110)| / 10,并且定影单元包括:包含柔性环形带的加热构件; 热源固定在柔性环形带内; 并且与所述带接触的按压构件以形成夹持部,并且所述固定单元构造成加热/挤压通过所述夹持部的所述介质以将所述图像定影在所述介质上。