METHOD AND APPARATUS FOR DETECTING TONER QUANTITY UPON PHOTOSENSITIVE ELEMENT

Title:

METHOD AND APPARATUS FOR DETECTING TONER QUANTITY UPON PHOTOSENSITIVE ELEMENT

Document Type and Number:

Japanese Patent JPS5395044

Kind Code:

A

Abstract:

PURPOSE: To detect the quantity of toners upon a photosensitive element thereby to judge the density and deterioration of a developing agent by irradiating the photosensitive element after development with the light from above the toners to measure the current which leaks from that element at that time.

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Inventors:

SAKAMOTO KOUJI
MIYAGAWA SEIICHI
TATSUMI SUSUMU

Application Number:

JP946677A

Publication Date:

August 19, 1978

Filing Date:

January 31, 1977

Export Citation:

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Assignee:

RICOH KK

International Classes:

G03G15/08; G03G15/00; G03G21/00; (IPC1-7): G03G15/08

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