Toner monitor to control development concentration and locate de

Details Toner monitor to control development concentration and locate de Toner monitor to control development concentration and locate de

1992-07-23

1993-10-05

Grimley, A. T.

Photocopying

Contact printing

Light boxes

118689, 355246, 355326, G03G 2100

Patent

active

052509877

ABSTRACT:
An applicator for a development unit is precisely positioned with respect to an image member, such as a photoconductive drum. The signal strength of the toner monitor is used to accurately locate each developer unit under a stationary photoconductor. The incremental distance from a home position required to position each development unit precisely under a stationary photoconductor is placed in a non-volatile memory so that the information can be used to control the drive motor to repeat the precise positioning at a later time.

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