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IBM Journal of Research and Development  
Volume 21, Number 1, Page 31 (1977)
Ink-jet Printing
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Effect of Parameter Variations on Drop Placement in an Electrostatic Ink Jet Printer

by T. G. Twardeck
This paper discusses the sensitivity of drop-to-drop spacing in the print plane of an ink jet printer to other printer variables. Two designed experiments, a fractional factorial and a central composite, combined with standard analysis identified the critical variables and provided a mathematical expression useful for setting tolerances.
Related Subjects: Electrostatics; Measurement; Printing, ink jet; Quality control