Image quality control at restart of image forming apparatus

Details Image quality control at restart of image forming apparatus Image quality control at restart of image forming apparatus

1996-03-26

1998-03-31

Fuller, Benjamin R.

Incremental printing of symbolic information

Electric marking apparatus or processes

Electrostatic

399 46, B41J 2385, G03G 1500

Patent

active

057344078

ABSTRACT:
When a control part is restarted, an average of a stored standard operation quantity and a stored operation quantity immediately before a stop of the control part is calculated. The average operation quantity (for instance, laser power) is applied to an image output part, and a resulting control quantity (for instance, a development density) is measured. A control rule retrieval unit calculates adaptabilities of respective control rules with respect to the measured control quantity, thereby synthesizing an application control rule. A new operation quantity is determined based on the application control rule and an error of the measured control quantity from a target value.

REFERENCES:
patent: 5390004 (1995-02-01), Hopkins
patent: 5400120 (1995-03-01), Narazaki et al.
patent: 5483328 (1996-01-01), Kawasaki et al.
patent: 5508787 (1996-04-01), Hasegawa et al.
patent: 5510896 (1996-04-01), Wafler
patent: 5528730 (1996-06-01), Yagi et al.

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