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1. (WO2018022067) WIPER ROLL TO CAUSE FRICTION ON A PRINT MEDIUM

Pub. No.:    WO/2018/022067    International Application No.:    PCT/US2016/044519
Publication Date: Fri Feb 02 00:59:59 CET 2018 International Filing Date: Fri Jul 29 01:59:59 CEST 2016
IPC: B41J 2/01
B41J 13/03
B41J 29/17
Applicants: HEWLETT-PACKARD DEVELOPMENT COMPANY, L.P.
Inventors: COSTAL, Pau
FLOTATS VILLAGRASA, Carles
GRACIA VERDUGO, Antonio
Title: WIPER ROLL TO CAUSE FRICTION ON A PRINT MEDIUM
Abstract:
A device (2) includes a media roll (4) to output a print medium (M) in a forward direction (26) and a wiper roll (6) to contact the surface of the print medium (M) at a rotation speed to cause friction on the print medium (M). The device (2) may determine a radius (r2) of the media roll (4) outputting the print medium (M) and, based on this radius (r2), adapt parameters such as the rotation speed of the wiper roll and a back tension (T2) exerted by the media roll (4) on the print medium (M) so as to control the friction caused by the wiper roll (6) on the print medium (M).