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    • 2. 发明授权
    • Cleanerless developing method using mono-component toner
    • 使用单组分调色剂的无清洁显影方法
    • US5283618A
    • 1994-02-01
    • US902748
    • 1992-06-23
    • Masahiro HosoyaMitsunaga SaitoIsutomu UeharaYukihiro Osugi
    • Masahiro HosoyaMitsunaga SaitoIsutomu UeharaYukihiro Osugi
    • G03G9/087G03G9/08G03G13/08G03G15/08G03G15/22G03G21/00G03G21/10G03G15/06
    • G03G13/08G03G21/0064G03G2221/0005
    • This invention relates to a cleanerless developing method using a mono-component toner, which method effects simultaneous developing and cleaning operations in the step of development. It more particularly relates to a method which is capable of forming images of outstanding quality without entailing generation of positive memory or negative memory. In the cleanerless developing method using a mono-component toner, the absolute value of the magnitude, .vertline.q.sub.t .vertline., of charging the developing toner to be used is selected to fall in the range between 0.5 [mC/kg] and 40 [mC/kg], the absolute value of the magnitude, .vertline.q.sub.r .vertline., of charging the residual toner to be introduced into the step for simultaneous developing and cleaning as deposited on the surface of the latent image retaining member is set to fall in the range between 0.5 [mC/kg] and 60 [mC/kg], or the absolute value of the magnitude, .vertline.q.sub.z .vertline., of charging the residual toner during the step for uniformizing the residual toner is selected to fall below the upper limit of 40 [mC/kg]. By selecting the magnitude of charging the toner within at least one of the ranges mentioned above, the cleanerless developing method using a mono-component toner is always and easily enabled to produce images of high quality without entailing the generation of positive memory or negative memory.
    • 本发明涉及使用单组分调色剂的无清洁器显影方法,该方法在显影步骤中同时进行显影和清洗操作。 更具体地涉及一种能够形成优质的图像而不需要产生正记忆或负记忆的方法。 在使用单组分调色剂的无清洁器显影方法中,将使用的显影调色剂的充电量的绝对值/ qt /选择在0.5(mC / kg)至40(mC / kg)时,将沉积在潜像保持部件的表面上的同时进行显影和清洗的步骤中的导入残留调色剂的量的绝对值/ qr /设定为0.5 (mC / kg)和60(mC / kg),或者在使残留调色剂均匀化的步骤期间对残留调色剂进行充电的量值的绝对值/ qz /选择为低于40的上限(mC /公斤)。 通过选择在上述范围内的至少一个范围内对调色剂进行充电的量值,使用单组分调色剂的无清洁器显影方法总是且容易地能够产生高质量的图像,而不会产生积极的记忆或负记忆。