Photoreceptor belt seam detection and process control

Details Photoreceptor belt seam detection and process control Photoreceptor belt seam detection and process control

1993-03-23

1994-03-01

Smith, Matthew S.

Photocopying

Contact printing

Light boxes

355203, 355212, G03G 2100

Patent

active

052912450

ABSTRACT:
An apparatus and method for detecting the seam in a photoreceptor belt is provided. A sensor is positioned on one side of the belt in opposed relationship to a light source which can be a lamp dedicated solely to that purpose or light from an imager such as an LED array or a Raster Output Scanner. Illumination from the light source of the end of the array is detected by a sensor when the seam passes therebetween creating a characteristic output signal which is recognized by system software and used to control imager operation to ensure that latent images are not formed across the seam.

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IBM Technical Disclosure Bulletin, vol. 9, No. 11, Apr. 1967, "An Electrographic Printer with Asynchronous Image Belt", T. M. Hider and H. C. Medley.

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