Image forming apparatus and method for controlling image...

Details Image forming apparatus and method for controlling image... Image forming apparatus and method for controlling image...

2006-10-02

2010-06-22

Tran, Douglas Q (Department: 2625)

Facsimile and static presentation processing

Static presentation processing

Data corruption, power interruption, or print prevention

C358S001150

Reexamination Certificate

active

07742181

ABSTRACT:
The measured density value of a printer at the time is compared with the density measured value at the time of adjusting a copy-forgery-inhibited pattern density, and the fluctuation amount of the output density of the printer from the copy-forgery-inhibited pattern density adjustment time until the time is calculated. It is judged whether the calculated density fluctuation amount exceeds a density region (the threshold of density fluctuation amount) which becomes effective as the copy-forgery-inhibited pattern image. When the density fluctuation amount exceeds the threshold of the density fluctuation amount, the user is notified that the density of the copy-forgery-inhibited pattern image may have inappropriate density as the copy-forgery-inhibited pattern image by the density fluctuation. Thereby, the user can check whether the present copy-forgery-inhibited pattern image is appropriate.

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