Printing apparatus

Details Printing apparatus Printing apparatus

1998-03-12

1999-08-31

Lee, S.

Electrophotography

Control of electrophotography process

Of plural processes

347139, 399303, G03G 1500

Patent

active

059465239

ABSTRACT:
A toner developing quantity detection unit operates a plurality of electrostatic recording units to transfer Y, M, C and K color component toner marks onto a belt. A toner developing quantity correction unit detects toner developing quantities per unit area of color toners on the basis of detection signals of the color component toner marks on the belt optically detected by a sensor. The toner developing quantity correction unit corrects the toner developing quantities so as to allow the toner consuming quantities of the plurality of electrostatic recording units to be substantially the same level, on the basis of the thus detected toner developing quantities.

REFERENCES:
patent: 4348099 (1982-09-01), Fantozzi
patent: 5253018 (1993-10-01), Takeuchi et al.
patent: 5307119 (1994-04-01), Folkins et al.
patent: 5386276 (1995-01-01), Swales et al.
patent: 5483328 (1996-01-01), Kawasaki et al.
patent: 5724627 (1998-03-01), Okuno et al.
patent: 5854958 (1998-12-01), Tanimoto et al.

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