Ink feeding method for a printing machine

Details Ink feeding method for a printing machine Ink feeding method for a printing machine

2006-06-13

2006-06-13

Yan, Ren (Department: 2854)

Printing

Processes

Condition responsive

C101S365000

Reexamination Certificate

active

07059247

ABSTRACT:
An ink feeding method for a printing machine includes a first color density measuring step for measuring color density of prints at selected times, an expected color density computing step for computing, based on the color density of prints measured in the first color density measuring step, an expected color density of prints occurring after a predetermined number X of prints are made, an ink feeding rate correcting step for correcting the ink feeding rate based on the expected color density of prints computed in the expected color density computing step and a target color density of prints, a second color density measuring step for measuring color density of an Xth print in the predetermined number X of prints after the ink feeding rate is corrected, and a number of prints correcting step for varying the predetermined number X of prints based on the color density measured in the second color density measuring step and the target color density of prints.

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