Method and apparatus for correcting printing distortions in...

Details Method and apparatus for correcting printing distortions in... Method and apparatus for correcting printing distortions in...

B - Operations, Transporting

41

J

B41J 2/12 (2006.01)

Patent

CA 2090078

ABSTRACT OF THE DISCLOSURE Printing distortions caused by ink stream/charge tunnel misalignment, charge tunnel mis-dimensioning or a variation in drop spacing or changes in ink resistivity are corrected by measuring the actual induction co-efficients for a particular printer. For this purpose, charge sensors located along the ink stream or adjacent the ink catcher detect induced charges from which the induction co-efficients are calculated by a programmable controller. These co-efficients are used to adjust the charge tunnel voltages to reduce or eliminate printing distortion.

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