In a printer, accurate spacing between the pen and the paper is critical. If it is too high, then the
drops will not land on the paper in the correct location. If it is too low, then the paper will contact
the pen and cause damage or smear. In certain applications, such as an over printer, many different
media types can be printed on the same system and these media types will have different thickness
and therefore the pen to paper spacing will need to be adjusted. Also, there is variation in media
thickness and pen height that is difficult to account for.
Creative Commons License
This work is licensed under a Creative Commons Attribution-Share Alike 4.0 License.
INC, HP, "AUTOMATIC METHOD FOR PEN TO PAPER SPACING USING AN ON-DIE STRAIN GAUGE", Technical Disclosure Commons, (March 06, 2019)