Boldness control in an electrophotographic machine

Details Boldness control in an electrophotographic machine Boldness control in an electrophotographic machine

1990-01-19

1992-07-07

Fuller, Benjamin R.

Recorders

Printing, dotting, or punching marker

Ink transfer support or moving means

346108, 346 11, 358448, 358452, 358475, G01D 1514

Patent

active

051286980

ABSTRACT:
Control over the placement of image edge location on the photoconductor of an electrophotographic machine providing for a range of discharge levels for edge picture elements (PELS) which vary from greater than, to less than, that level used for fully discharged PELS. Such control is achieved independently of machine parameter control by altering edge PEL illumination intensity in accordance with data representing desired edge PEL intensity as the photoconductor sensitivity changes. A system for measuring and controlling the fully discharged PEL level establishes a measurre of photoconductor sensitivity and is used for enabling the selection of current edge PEL intensity.

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Article "Fidelity Control of Electrophotographic Print Process" by J. L. Crawford Presented at SPSE/SPIE Symposium On Electronic Imaging, 9 pages Jun. 15, 1989.

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