Image forming apparatus

Details Image forming apparatus Image forming apparatus

1996-08-05

2000-12-26

Barlow, John

Incremental printing of symbolic information

Electric marking apparatus or processes

Electrostatic

B41J 2435, G01D 1514, H01J 2970, H01J 3300

Patent

active

06166751&

ABSTRACT:
An image forming apparatus with toner saving mode is disclosed. This image forming apparatus comprising a normal ditheringing matrix and a toner saving mode ditheringing matrix having threshold data higher than that of the normal ditheringing matrix. The normal ditehring matrix is for image data processing under non-toner saving mode and the toner saving mode matrix is for image data processing under toner saving mode. The selection of the dithering matrix is executed by a central processing unit in response with the existance of order for toner saving. The processed image data processed by one of the dithreing matrix maintains the expression of linear tonality.

REFERENCES:
patent: 4698691 (1987-10-01), Suzuki et al.
patent: 5646670 (1997-07-01), Seto et al.
Catalogue of TonerMiser, 1994.

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