JP2009015240A5 - - Google Patents

Claims (7)

A laser irradiation means for irradiating a belt surface of a belt-like transfer body for transferring a developed image on a single image carrier;
Reading means for reading the pattern of the particle image generated on the belt surface of the transfer member by irradiation of by that laser beam to the laser irradiation means,
Analyzing the reading result of the reading means, and detecting the position movement of each particle in the particle image pattern accompanying the movement of the transfer body as a velocity vector ;
A transfer body deviation correction apparatus comprising: correction means for correcting the position or operation of the transfer body based on the result of detection of the velocity vector by the analysis means. The transfer body deviation correction apparatus according to claim 1, wherein the laser irradiation unit and the reading unit are disposed on an image transfer surface side of the transfer body. The transfer body shift correction device according to claim 1, wherein the laser irradiation unit and the reading unit are disposed on the opposite side of the image transfer surface of the transfer body. The analysis means includes means for detecting a shift amount in a direction perpendicular to the transfer direction of the transfer body based on the particle image pattern ,
It said correction means, based on the detected shift amount, any one of claims 1 to 3, characterized in that for controlling the motor for moving the correcting movable member for moving the drive shaft of the transfer member 2. A transfer body deviation correction apparatus according to item 1. The analysis means has means for detecting a shift amount in the transport direction of the transfer body based on the particle image pattern ,
It said correction means, based on the detected shift amount, transcript shift correcting device according to any one of claims 1 to 4, characterized in that for controlling the drive motor of the transfer member. A transfer body deviation correction method for correcting the position or operation of a belt-like transfer body that transfers a developed image on a single image carrier,
A laser irradiation step in which a laser irradiation means irradiates the belt surface of the transfer body with a laser beam;
A reading step of reading means reads the pattern of the particle image generated on the belt surface of the transfer member by irradiation of the laser radiation that by the process laser light,
An analyzing step of analyzing the reading result of the reading step and detecting the movement of the position of each particle in the particle image pattern accompanying the movement of the transfer body as a velocity vector ;
And a correction step of correcting the position or operation of the transfer body based on the result of detection of the velocity vector in the analysis step. A program for realizing, on a computer, a transfer body deviation correction method for correcting the position or operation of a belt-like transfer body that transfers a developed image on a single image carrier,
A laser irradiation step in which a laser irradiation means irradiates the belt surface of the transfer body with a laser beam;
A reading step of reading means reads the pattern of the particle image generated on the belt surface of the transfer member by irradiation of the laser radiation that by the process laser light,
An analyzing step of analyzing the reading result of the reading step and detecting the movement of the position of each particle in the particle image pattern accompanying the movement of the transfer body as a velocity vector ;
And a correction step of correcting the position or operation of the transfer body based on the result of detection of the velocity vector by the analysis step.