Color image forming apparatus using intermediate transfer member

Details Color image forming apparatus using intermediate transfer member Color image forming apparatus using intermediate transfer member

1996-06-18

1997-09-23

Beatty, Robert

Electrophotography

Internal machine environment

Particle or contaminant control

399302, G03G 1516

Patent

active

056714645

ABSTRACT:
To provide a color image forming apparatus that can implement high speed printing and produce high quality images free from displacements caused when color toner images are superimposed one upon another. A color image forming apparatus using an intermediate transfer belt 106. The apparatus is constructed so that a cleaning blade 1191 and a drive roller 115 are arranged so as to confront the intermediate transfer belt 106 in order that a displacement caused when one color toner image is superimposed upon another can be controlled within a single image-recording dot during a primary transfer process. The apparatus is constructed such that la/l<ld.multidot.E.multidot.t/(L0.multidot..mu..multidot.n), where la (m) is the length of the intermediate transfer belt from a drive roller to a cleaning device, l (m) is the total length of the transfer belt, ld (m) is a pitch between dots developed on the latent image carrying body, E (kg/m.sup.2) is the Young's modulus of the transfer belt, t (m) is the thickness of the belt, L0 (m) is the length of a recording medium, .mu. is the frictional coefficient between the cleaning device and the transfer belt, and n (kg/m) is the line pressure of the cleaning means in contact with the transfer belt.

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